{"id":2886,"date":"2026-10-22T14:24:52","date_gmt":"2026-10-22T06:24:52","guid":{"rendered":"https:\/\/www.gxcom.net\/"},"modified":"2026-10-22T14:24:52","modified_gmt":"2026-10-22T06:24:52","slug":"fp8-%e4%b8%8e-fp4-%e7%9a%84%e6%8e%a8%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.gxcom.net\/zh\/fp8-%e4%b8%8e-fp4-%e7%9a%84%e6%8e%a8%e7%90%86\/","title":{"rendered":"FP8 \u4e0e FP4 \u63a8\u7406\uff1aGPU \u5185\u5b58\u8282\u7701\u3001\u6a21\u578b\u7cbe\u5ea6\u53ca\u670d\u52a1\u6210\u672c"},"content":{"rendered":"<p>\u5f53 GPU \u5185\u5b58\u9650\u5236\u4e86\u6279\u91cf\u5927\u5c0f\u3001\u6a21\u578b\u90e8\u7f72\u4f4d\u7f6e\u548c\u5e76\u53d1\u8bf7\u6c42\u6570\u91cf\u65f6\uff0c\u8fd0\u884c\u5927\u578b\u8bed\u8a00\u6a21\u578b\u7684\u6210\u672c\u4f1a\u5f88\u9ad8\u3002\u91c7\u7528\u4f4e\u7cbe\u5ea6\u63a8\u7406\u53ef\u4ee5\u7f13\u89e3\u8fd9\u4e9b\u9650\u5236\uff0c\u4f46\u9009\u62e9\u66f4\u5c0f\u7684\u6570\u503c\u683c\u5f0f\u53c8\u4f1a\u5f15\u53d1\u5173\u4e8e\u7cbe\u5ea6\u3001\u786c\u4ef6\u517c\u5bb9\u6027\u4ee5\u53ca\u5b9e\u9645\u670d\u52a1\u6210\u672c\u7684\u65b0\u95ee\u9898\u3002.<\/p>\n<p>\u8fd9\u4e2a <strong>FP8 \u4e0e FP4 \u63a8\u7406<\/strong> \u8be5\u5bf9\u6bd4\u5206\u6790\u9610\u8ff0\u4e86GPU\u5185\u5b58\u8282\u7701\u3001\u91cf\u5316\u6743\u8861\u3001\u6a21\u578b\u8d28\u91cf\u3001\u541e\u5410\u91cf\u4ee5\u53ca\u57fa\u7840\u8bbe\u65bd\u91c7\u8d2d\u51b3\u7b56\u3002\u6211\u4eec\u5e76\u672a\u7b80\u5355\u5047\u8bbe\u56db\u4f4d\u63a8\u7406\u80fd\u81ea\u52a8\u5c06\u4e91\u670d\u52a1\u8d39\u7528\u51cf\u534a\uff0c\u800c\u662f\u6df1\u5165\u63a2\u7a76\u4e86\u8282\u7701\u6210\u672c\u7684\u5b9e\u9645\u6765\u6e90\u3002.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-2887\" src=\"https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/10\/fp8-vs-fp4-inference.jpg\" alt=\"FP8 \u4e0e FP4 \u63a8\u7406\u5bf9\u6bd4\uff1a\u5c55\u793a GPU \u5185\u5b58\u8282\u7701\u3001\u6a21\u578b\u51c6\u786e\u7387\u3001NVIDIA GPU \u6027\u80fd\u4ee5\u53ca\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u670d\u52a1\u6210\u672c\" width=\"1000\" height=\"563\" srcset=\"https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/10\/fp8-vs-fp4-inference.jpg 1000w, https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/10\/fp8-vs-fp4-inference-300x169.jpg 300w, https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/10\/fp8-vs-fp4-inference-768x432.jpg 768w, https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/10\/fp8-vs-fp4-inference-18x10.jpg 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<h2>FP8 \u4e0e FP4 \u63a8\u7406\uff1a\u7b80\u8981\u7ed3\u8bba<\/h2>\n<p><strong>\u9009\u62e9 FP8<\/strong> \u5f53\u60a8\u5e0c\u671b\u5728\u5185\u5b58\u6548\u7387\u3001\u6a21\u578b\u8d28\u91cf\u4ee5\u53ca\u5bf9\u517c\u5bb9 GPU \u67b6\u6784\u548c\u63a8\u7406\u6846\u67b6\u7684\u652f\u6301\u4e4b\u95f4\u53d6\u5f97\u5b9e\u9645\u5e73\u8861\u65f6\u3002.<\/p>\n<p><strong>\u8003\u8651FP4<\/strong> \u5f53\u6a21\u578b\u6743\u91cd\u5360\u7528\u5927\u91cfVRAM\u65f6\uff0c\u60a8\u7684\u76ee\u6807\u786c\u4ef6\u652f\u6301\u9ad8\u6548\u76844\u4f4d\u6267\u884c\u8def\u5f84\uff0c\u4e14\u8d28\u91cf\u6d4b\u8bd5\u786e\u8ba4\u91cf\u5316\u540e\u7684\u6a21\u578b\u6ee1\u8db3\u5e94\u7528\u9700\u6c42\u3002.<\/p>\n<p>\u4e0e FP8 \u76f8\u6bd4\uff0cFP4 \u53ef\u5c06\u7406\u8bba\u5185\u5b58\u5360\u7528\u51cf\u5c11 50%\u3002\u4f46\u8fd9\u5e76\u4e0d\u80fd\u4fdd\u8bc1 GPU \u603b\u5185\u5b58\u6d88\u8017\u4f1a\u964d\u4f4e 50%\u3001\u63a8\u7406\u901f\u5ea6\u4f1a\u63d0\u9ad8\u4e00\u500d\uff0c\u6216\u6a21\u578b\u8f93\u51fa\u7ed3\u679c\u5b8c\u5168\u76f8\u540c\u3002.<\/p>\n<h2>\u4ec0\u4e48\u662f FP8 \u63a8\u7406\uff1f<\/h2>\n<p>FP8 \u4f7f\u7528 8 \u4f4d\u6d6e\u70b9\u8868\u793a\u6cd5\u6765\u5b58\u50a8\u6216\u5904\u7406\u6570\u503c\u3002\u4e0d\u540c\u7684 FP8 \u683c\u5f0f\u5728\u6570\u503c\u8303\u56f4\u548c\u7cbe\u5ea6\u4e4b\u95f4\u505a\u51fa\u4e86\u4e0d\u540c\u7684\u6743\u8861\u3002.<\/p>\n<p>\u5728\u4eba\u5de5\u667a\u80fd\u63a8\u7406\u4e2d\uff0c\u4e0eFP16\u6216BF16\u7b49\u66f4\u9ad8\u7cbe\u5ea6\u683c\u5f0f\u76f8\u6bd4\uff0cFP8\u53ef\u4ee5\u51cf\u5c11\u6a21\u578b\u6743\u91cd\u7684\u5b58\u50a8\u7a7a\u95f4\u548c\u5185\u5b58\u5e26\u5bbd\u9700\u6c42\u3002.<\/p>\n<p>\u5b9e\u9645\u6027\u80fd\u53d6\u51b3\u4e8e GPU\u3001\u5185\u6838\u548c\u63a8\u7406\u5f15\u64ce\u80fd\u5426\u9ad8\u6548\u652f\u6301\u6240\u9009\u7684 FP8 \u8fd0\u7b97\u3002.<\/p>\n<p>FP8 \u4e4b\u6240\u4ee5\u5728\u751f\u4ea7\u90e8\u7f72\u4e2d\u9887\u5177\u5438\u5f15\u529b\uff0c\u662f\u56e0\u4e3a\u5728\u7ecf\u8fc7\u9002\u5f53\u7684\u8f6c\u6362\u548c\u9a8c\u8bc1\u540e\uff0c\u5b83\u4e0d\u4ec5\u80fd\u663e\u8457\u63d0\u5347\u6548\u7387\uff0c\u8fd8\u80fd\u4e3a\u8bb8\u591a\u6a21\u578b\u4fdd\u6301\u53ef\u63a5\u53d7\u7684\u8d28\u91cf\u6c34\u5e73\u3002.<\/p>\n<h2>\u4ec0\u4e48\u662f FP4 \u63a8\u7406\uff1f<\/h2>\n<p>FP4 \u4f7f\u7528 4 \u4f4d\u6765\u8868\u793a\u6570\u503c\u3002\u73b0\u4ee3\u4eba\u5de5\u667a\u80fd\u90e8\u7f72\u53ef\u80fd\u4f1a\u4f7f\u7528\u4e13\u7528\u683c\u5f0f\uff0c\u4f8b\u5982 NVIDIA NVFP4 \u6216\u5176\u4ed6\u57fa\u4e8e\u5757\u7684 4 \u4f4d\u8868\u793a\u6cd5\u3002.<\/p>\n<p>\u8fd9\u4e9b\u5b9e\u73b0\u65b9\u5f0f\u4e0d\u80fd\u4e92\u6362\u3002\u5b83\u4eec\u7684\u7f29\u653e\u65b9\u6cd5\u3001\u652f\u6301\u7684\u64cd\u4f5c\u3001\u6570\u503c\u884c\u4e3a\u548c\u786c\u4ef6\u8981\u6c42\u53ef\u80fd\u5404\u4e0d\u76f8\u540c\u3002.<\/p>\n<p>FP4 \u53ef\u4ee5\u5927\u5e45\u51cf\u5c11\u6743\u91cd\u5b58\u50a8\u7a7a\u95f4\uff0c\u4f46\u8981\u5b9e\u73b0\u5f3a\u5927\u7684\u63a8\u7406\u6027\u80fd\uff0c\u4ec5\u9760\u5c06\u6570\u5b57\u5b58\u50a8\u5728 4 \u4f4d\u4e2d\u8fd8\u8fdc\u8fdc\u4e0d\u591f\u3002.<\/p>\n<p>\u6267\u884c\u6846\u67b6\u5fc5\u987b\u652f\u6301\u8be5\u683c\u5f0f\uff0c\u4e14\u786c\u4ef6\u5fc5\u987b\u4e3a\u76f8\u5173\u64cd\u4f5c\u63d0\u4f9b\u9ad8\u6548\u7684\u6267\u884c\u8def\u5f84\u3002.<\/p>\n<h2>GPU \u5185\u5b58\u8282\u7701\uff1aFP8 \u4e0e FP4 \u5bf9\u6bd4<\/h2>\n<p>\u5bf9\u4e8e\u4e00\u4e2a\u5305\u542b700\u4ebf\u4e2a\u53c2\u6570\u7684\u7b80\u5316\u6a21\u578b\uff0c\u82e5\u5c06\u6bcf\u4e2a\u6743\u91cd\u4ee5FP8\u683c\u5f0f\u5b58\u50a8\uff0c\u5219\u5927\u7ea6\u9700\u8981700\u4ebf\u5b57\u8282\uff0c\u5373\u5341\u8fdb\u5236\u5355\u4f4d\u4e0b\u768470 GB\u3002.<\/p>\n<p>\u5728\u4e0d\u8003\u8651\u989d\u5916\u5143\u6570\u636e\u7684\u60c5\u51b5\u4e0b\uff0c\u5b58\u50a8\u4e0e\u539f\u59cb\u56db\u4f4d\u503c\u76f8\u540c\u6570\u91cf\u7684\u6743\u91cd\u5927\u7ea6\u9700\u8981 35 GB \u7a7a\u95f4\u3002.<\/p>\n<p>\u8fd9\u4e00\u6bd4\u8f83\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48FP4\u5728\u5185\u5b58\u53d7\u9650\u7684\u63a8\u7406\u573a\u666f\u4e2d\u5907\u53d7\u5173\u6ce8\u3002\u7136\u800c\uff0c\u5b9e\u9645\u7684\u6a21\u578b\u6587\u4ef6\u548c\u8fd0\u884c\u65f6\u5185\u5b58\u6d88\u8017\u6bd4\u8fd9\u4e9b\u7406\u8bba\u6570\u636e\u66f4\u5927\u6216\u66f4\u590d\u6742\u3002.<\/p>\n<h3>\u4e3a\u4ec0\u4e48 FP4 \u5e76\u4e0d\u603b\u80fd\u5c06 VRAM \u5360\u7528\u91cf\u51cf\u534a<\/h3>\n<p>\u91cf\u5316\u6a21\u578b\u53ef\u80fd\u9700\u8981\u7f29\u653e\u56e0\u5b50\u3001\u5143\u6570\u636e\u3001\u66f4\u9ad8\u7cbe\u5ea6\u7684\u5c42\u3001\u4e34\u65f6\u7f13\u51b2\u533a\u4ee5\u53ca\u8f6c\u6362\u5de5\u4f5c\u533a\u3002.<\/p>\n<p>\u63a8\u7406\u670d\u52a1\u5668\u8fd8\u4f1a\u4e3a\u6fc0\u6d3b\u51fd\u6570\u3001\u6ce8\u610f\u529b\u64cd\u4f5c\u548c\u952e\u503c\u5bf9\u7f13\u5b58\u5206\u914d\u5185\u5b58\u3002\u5f53\u6a21\u578b\u6743\u91cd\u4ece FP8 \u53d8\u4e3a FP4 \u65f6\uff0c\u8fd9\u4e9b\u7ec4\u4ef6\u7684\u5185\u5b58\u5360\u7528\u5e76\u4e0d\u4e00\u5b9a\u4f1a\u51cf\u5c11\u3002.<\/p>\n<p>\u5bf9\u4e8e\u957f\u4e0a\u4e0b\u6587\u5de5\u4f5c\u8d1f\u8f7d\uff0cKV\u7f13\u5b58\u7684\u5360\u7528\u53ef\u80fd\u4f1a\u6210\u4e3a\u5185\u5b58\u9884\u7b97\u4e2d\u7684\u4e3b\u8981\u90e8\u5206\u3002.<\/p>\n<p>\u5e94\u5728\u5b9e\u9645\u7684\u4e0a\u4e0b\u6587\u957f\u5ea6\u548c\u5e76\u53d1\u6761\u4ef6\u4e0b\u6d4b\u91cf\u5cf0\u503c\u5206\u914d\u7684VRAM\uff0c\u800c\u4e0d\u662f\u4ec5\u4f9d\u8d56\u4e8e\u4e0b\u8f7d\u7684\u6a21\u578b\u5927\u5c0f\u3002.<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u786c\u4ef6\u9009\u9879\uff0c\u8bf7\u9605\u8bfb\u6211\u4eec\u7684 <a href=\"https:\/\/www.gxcom.net\/zh\/nvidia-gpu-%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%8f%90%e4%be%9b%e5%95%86\/\"><strong>NVIDIA GPU \u670d\u52a1\u5668\u4f9b\u5e94\u5546\u6307\u5357<\/strong><\/a>.<\/p>\n<h2>\u6a21\u578b\u51c6\u786e\u7387\uff1aFP4 \u4f1a\u964d\u4f4e\u8d28\u91cf\u5417\uff1f<\/h2>\n<p>\u7cbe\u5ea6\u964d\u4f4e\u4f1a\u5bfc\u81f4\u91cf\u5316\u8bef\u5dee\uff0c\u56e0\u4e3a\u80fd\u591f\u76f4\u63a5\u8868\u793a\u7684\u6570\u503c\u53d8\u5c11\u4e86\u3002.<\/p>\n<p>\u4e0eFP4\u76f8\u6bd4\uff0cFP8\u901a\u5e38\u80fd\u63d0\u4f9b\u66f4\u5927\u7684\u8868\u793a\u7075\u6d3b\u6027\uff0c\u4f46\u5b9e\u9645\u6a21\u578b\u8d28\u91cf\u53d6\u51b3\u4e8e\u91cf\u5316\u65b9\u6cd5\u3001\u7f29\u653e\u7b56\u7565\u3001\u6821\u51c6\u6570\u636e\u4ee5\u53ca\u6a21\u578b\u67b6\u6784\u3002.<\/p>\n<p>\u6709\u4e9b\u6a21\u578b\u80fd\u5f88\u597d\u5730\u9002\u5e94\u6fc0\u8fdb\u7684\u6743\u91cd\u91cf\u5316\u3002\u800c\u53e6\u4e00\u4e9b\u6a21\u578b\u5728\u63a8\u7406\u3001\u7f16\u7801\u3001\u6570\u5b66\u4efb\u52a1\u6216\u9075\u5faa\u6307\u4ee4\u65b9\u9762\u53ef\u80fd\u4f1a\u51fa\u73b0\u53ef\u6d4b\u91cf\u7684\u6027\u80fd\u4e0b\u964d\u3002.<\/p>\n<h3>\u5728\u751f\u4ea7\u73af\u5883\u90e8\u7f72\u524d\u6d4b\u8bd5\u8d28\u91cf<\/h3>\n<p>\u8bc4\u4f30\u5177\u6709\u4ee3\u8868\u6027\u7684\u63d0\u793a\u8bcd\u3001\u7279\u5b9a\u9886\u57df\u7684\u6570\u636e\u96c6\u3001\u7ed3\u6784\u5316\u8f93\u51fa\u7684\u53ef\u9760\u6027\uff0c\u4ee5\u53ca\u5bf9\u7528\u6237\u81f3\u5173\u91cd\u8981\u7684\u5931\u8d25\u6848\u4f8b\u3002.<\/p>\n<p>\u5bf9\u4e8e\u9762\u5411\u5ba2\u6237\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e94\u5728\u8bc4\u4f30\u8fc7\u7a0b\u4e2d\u7eb3\u5165\u4e8b\u5b9e\u51c6\u786e\u6027\u3001\u683c\u5f0f\u5408\u89c4\u6027\u4ee5\u53ca\u5de5\u5177\u8c03\u7528\u884c\u4e3a\u7b49\u8bc4\u4f30\u6807\u51c6\u3002.<\/p>\n<p>\u5728\u76f8\u540c\u7684\u6d4b\u8bd5\u6761\u4ef6\u4e0b\uff0c\u5c06\u91cf\u5316\u6a21\u578b\u4e0e\u4e00\u4e2a\u5408\u9002\u7684\u3001\u7cbe\u5ea6\u66f4\u9ad8\u7684\u57fa\u51c6\u6a21\u578b\u8fdb\u884c\u6bd4\u8f83\u3002.<\/p>\n<p><strong>\u5982\u679c\u8f93\u51fa\u8d28\u91cf\u4e0b\u964d\u5bfc\u81f4\u91cd\u8bd5\u6b21\u6570\u589e\u52a0\u3001\u9700\u8981\u66f4\u591a\u4eba\u5de5\u4fee\u6b63\u6216\u589e\u52a0\u5ba2\u6237\u652f\u6301\u5de5\u4f5c\u91cf\uff0c\u90a3\u4e48\u964d\u4f4e\u6258\u7ba1\u8d39\u7528\u5e76\u4e0d\u7b97\u8282\u7701\u6210\u672c\u3002.<\/strong><\/p>\n<h2>GPU \u786c\u4ef6\u652f\u6301\u4e0e\u5f20\u91cf\u6838<\/h2>\n<p>\u786c\u4ef6\u652f\u6301\u662f FP8 \u4e0e FP4 \u90e8\u7f72\u4e4b\u95f4\u6700\u91cd\u8981\u7684\u533a\u522b\u4e4b\u4e00\u3002.<\/p>\n<p>\u90e8\u5206 NVIDIA GPU \u4ee3\u4ea7\u54c1\u652f\u6301\u52a0\u901f\u7684 FP8 \u8ba1\u7b97\uff0c\u800c\u9ad8\u6548\u7684\u539f\u751f FP4 \u63a8\u7406\u5219\u4e0e\u8f83\u65b0\u7684\u67b6\u6784\u53ca\u53d7\u652f\u6301\u7684\u6570\u503c\u683c\u5f0f\u76f8\u5173\u3002.<\/p>\n<p>\u4e00\u6b3e\u80fd\u591f\u5b58\u50a84\u4f4d\u6743\u91cd\u7684GPU\uff0c\u5e76\u4e0d\u4e00\u5b9a\u80fd\u9ad8\u6548\u5730\u6267\u884c\u539f\u751fFP4\u77e9\u9635\u8fd0\u7b97\u3002.<\/p>\n<p>\u67d0\u4e9b\u6846\u67b6\u5728\u8ba1\u7b97\u8fc7\u7a0b\u4e2d\u4f1a\u89e3\u538b\u6216\u5c06\u538b\u7f29\u7684\u6743\u91cd\u8f6c\u6362\u4e3a\u53e6\u4e00\u79cd\u6570\u503c\u683c\u5f0f\uff0c\u4ece\u800c\u6539\u53d8\u4e86\u9884\u671f\u7684\u6027\u80fd\u4f18\u52bf\u3002.<\/p>\n<p>\u5728\u9009\u62e9\u670d\u52a1\u5668\u4e4b\u524d\uff0c\u8bf7\u786e\u8ba4\u5177\u4f53\u7684 GPU \u578b\u53f7\u3001\u652f\u6301\u7684\u6570\u636e\u7c7b\u578b\u3001\u63a8\u7406\u5f15\u64ce\u7248\u672c\u4ee5\u53ca\u53ef\u7528\u7684\u5185\u6838\u3002.<\/p>\n<p>\u6211\u4eec\u7684 <a href=\"https:\/\/www.gxcom.net\/zh\/gpu-%e4%b8%8e-cpu-%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e5%af%b9%e6%af%94\/\"><strong>GPU \u4e0e CPU \u670d\u52a1\u5668\u7684\u5bf9\u6bd4<\/strong><\/a>\u00a0\u89e3\u91ca\u4e86\u786c\u4ef6\u52a0\u901f\u7684\u66f4\u5e7f\u6cdb\u4f5c\u7528\u3002.<\/p>\n<h2>\u63a8\u7406\u901f\u5ea6\uff1a\u6bcf\u79d2\u4ee4\u724c\u6570<\/h2>\n<p>\u5f53\u51cf\u5c11\u5185\u5b58\u6d41\u91cf\u6216\u652f\u6301\u4f4e\u7cbe\u5ea6\u8ba1\u7b97\u4ece\u800c\u6d88\u9664\u4e86\u5b9e\u9645\u74f6\u9888\u65f6\uff0cFP4 \u53ef\u4ee5\u63d0\u9ad8\u63a8\u7406\u541e\u5410\u91cf\u3002.<\/p>\n<p>\u7136\u800c\uff0c\u6027\u80fd\u53d6\u51b3\u4e8e\u5de5\u4f5c\u8d1f\u8f7d\u662f\u53d7\u5185\u5b58\u5e26\u5bbd\u3001\u8ba1\u7b97\u541e\u5410\u91cf\u8fd8\u662f\u670d\u52a1\u7ba1\u9053\u7684\u5176\u4ed6\u90e8\u5206\u6240\u9650\u5236\u3002.<\/p>\n<h3>\u9884\u586b\u5145\u4e0e\u89e3\u7801\u6027\u80fd\u5bf9\u6bd4<\/h3>\n<p>\u5728\u9884\u586b\u5145\u9636\u6bb5\uff0c\u6a21\u578b\u4f1a\u5904\u7406\u8f93\u5165\u4ee4\u724c\u5e76\u6267\u884c\u5927\u91cf\u5e76\u884c\u8ba1\u7b97\u3002\u5728\u81ea\u56de\u5f52\u89e3\u7801\u9636\u6bb5\uff0c\u5b83\u4f1a\u589e\u91cf\u751f\u6210\u4ee4\u724c\u3002.<\/p>\n<p>\u4e0d\u540c\u9636\u6bb5\u5bf9\u91cf\u5316\u7684\u54cd\u5e94\u53ef\u80fd\u5404\u4e0d\u76f8\u540c\u3002\u8f83\u4f4e\u7684\u6743\u91cd\u5e26\u5bbd\u53ef\u80fd\u6709\u52a9\u4e8e\u89e3\u7801\uff0c\u800c\u9884\u586b\u5145\u6027\u80fd\u5219\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u51b3\u4e8e\u8ba1\u7b97\u5185\u6838\u548c\u6279\u5904\u7406\u7279\u6027\u3002.<\/p>\n<p>\u5206\u522b\u6d4b\u91cf\u83b7\u5f97\u7b2c\u4e00\u4e2a\u4ee4\u724c\u6240\u9700\u7684\u65f6\u95f4\u3001\u6bcf\u79d2\u751f\u6210\u7684\u4ee4\u724c\u6570\u4ee5\u53ca\u6bcf\u79d2\u5b8c\u6210\u7684\u8bf7\u6c42\u6570\u3002.<\/p>\n<p>\u6b64\u5916\uff0c\u8fd8\u5e94\u6d4b\u8bd5\u4e0d\u540c\u7684\u6279\u6b21\u5927\u5c0f\u548c\u4e0a\u4e0b\u6587\u957f\u5ea6\u3002\u4ec5\u4f7f\u7528\u4e00\u4e2a\u7b80\u77ed\u63d0\u793a\u8bcd\u8fdb\u884c\u7684\u57fa\u51c6\u6d4b\u8bd5\uff0c\u53ef\u80fd\u65e0\u6cd5\u53cd\u6620\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u4e2d\u5904\u7406\u5927\u91cf\u5e76\u53d1\u7528\u6237\u7684\u804a\u5929\u673a\u5668\u4eba\u60c5\u51b5\u3002.<\/p>\n<h2>\u591aGPU\u90e8\u7f72\u4e2d\u7684FP8\u4e0eFP4\u5bf9\u6bd4<\/h2>\n<p>\u5927\u578b\u6a21\u578b\u53ef\u80fd\u9700\u8981\u5f20\u91cf\u5e76\u884c\u3001\u6d41\u6c34\u7ebf\u5e76\u884c\u6216\u5176\u4ed6\u6280\u672f\uff0c\u4ee5\u5c06\u8ba1\u7b97\u4efb\u52a1\u5206\u914d\u5230\u5404\u4e2aGPU\u4e0a\u3002.<\/p>\n<p>\u51cf\u5c11\u6743\u91cd\u5b58\u50a8\u91cf\u6709\u65f6\u53ef\u4ee5\u8ba9\u6a21\u578b\u5728\u66f4\u5c11\u7684GPU\u4e0a\u8fd0\u884c\uff0c\u4ece\u800c\u6709\u53ef\u80fd\u964d\u4f4e\u57fa\u7840\u8bbe\u65bd\u6210\u672c\u548c\u901a\u4fe1\u5f00\u9500\u3002.<\/p>\n<p>\u4e0d\u8fc7\uff0c\u7ed3\u679c\u53d6\u51b3\u4e8e\u53ef\u7528\u7684VRAM\u3001\u8fd0\u884c\u65f6\u7f13\u51b2\u533a\u3001KV\u7f13\u5b58\u9700\u6c42\u4ee5\u53ca\u6a21\u578b\u67b6\u6784\u3002.<\/p>\n<p>\u5f53\u5de5\u4f5c\u8d1f\u8f7d\u6d89\u53ca\u591a\u4e2a\u52a0\u901f\u5668\u65f6\uff0c\u4e92\u8fde\u5e26\u5bbd\u548c\u8f6f\u4ef6\u652f\u6301\u4ecd\u7136\u81f3\u5173\u91cd\u8981\u3002.<\/p>\n<p>\u5e94\u6bd4\u8f83\u5b8c\u6574\u7684\u670d\u52a1\u5668\u914d\u7f6e\uff0c\u800c\u4e0d\u662f\u5047\u8bbe\u8f83\u5c0f\u7684\u91cd\u91cf\u5c31\u5fc5\u7136\u4f1a\u6392\u9664\u67d0\u6b3eGPU\u3002.<\/p>\n<h2>\u5982\u4f55\u8ba1\u7b97\u5b9e\u9645\u7684 GPU \u670d\u52a1\u6210\u672c<\/h2>\n<p>\u6700\u6709\u7528\u7684\u8d22\u52a1\u6307\u6807\u901a\u5e38\u662f\u6bcf\u6210\u529f\u751f\u6210\u4e00\u767e\u4e07\u4e2a\u8f93\u51fa\u4ee3\u5e01\u7684\u6210\u672c\uff0c\u8be5\u6307\u6807\u662f\u5728\u89c4\u5b9a\u7684\u5de5\u4f5c\u8d1f\u8f7d\u548c\u670d\u52a1\u6c34\u5e73\u76ee\u6807\u4e0b\u6d4b\u5f97\u7684\u3002.<\/p>\n<p>\u4f8b\u5982\uff0c\u5047\u8bbe\u4e00\u4e2a FP8 \u90e8\u7f72\u7684\u6bcf GPU-\u5c0f\u65f6\u6210\u672c\u4e3a $2\uff0c\u4e14\u5728\u8be5\u5c0f\u65f6\u5185\u751f\u6210 100,000 \u4e2a\u8f93\u51fa\u4ee4\u724c\u3002\u5176\u793a\u4f8b\u8ba1\u7b97\u6210\u672c\u4e3a\u6bcf\u767e\u4e07\u4e2a\u8f93\u51fa\u4ee4\u724c $20\u3002.<\/p>\n<p>\u5982\u679c\u4e00\u4e2a FP4 \u90e8\u7f72\u7684\u6bcf\u5c0f\u65f6\u6210\u672c\u76f8\u540c\uff0c\u4f46\u80fd\u4ea7\u51fa 150,000 \u4e2a\u4ee3\u5e01\uff0c\u5219\u76f8\u5e94\u7684\u8ba1\u7b97\u6210\u672c\u5c06\u964d\u81f3\u6bcf\u767e\u4e07\u4e2a\u4ea7\u51fa\u4ee3\u5e01\u7ea6 $13.33\u3002.<\/p>\n<p>\u8fd9\u4e9b\u662f\u5047\u8bbe\u6570\u636e\uff0c\u5e76\u975e\u4f9b\u5e94\u5546\u62a5\u4ef7\u6216\u7ee9\u6548\u57fa\u51c6\u3002.<\/p>\n<p>\u5728\u4f30\u7b97\u603b\u751f\u4ea7\u6210\u672c\u65f6\uff0c\u5e94\u5c06\u8f93\u5165\u5904\u7406\u3001\u95f2\u7f6e\u4ea7\u80fd\u3001\u91cd\u8bd5\u3001\u7f51\u7edc\u3001\u5b58\u50a8\u4ee5\u53ca\u5de5\u7a0b\u5f00\u9500\u7eb3\u5165\u8003\u8651\u8303\u56f4\u3002.<\/p>\n<p>\u63a2\u7d22\u6211\u4eec\u7684 <a href=\"https:\/\/www.gxcom.net\/zh\/%e4%bb%b7%e6%a0%bc%e5%ae%9e%e6%83%a0%e7%9a%84gpu%e6%9c%8d%e5%8a%a1%e5%99%a8\/\"><strong>\u7ecf\u6d4e\u5b9e\u60e0\u7684GPU\u670d\u52a1\u5668\u6307\u5357<\/strong><\/a> \u6709\u5173\u5176\u4ed6\u8d2d\u4e70\u6ce8\u610f\u4e8b\u9879\u3002.<\/p>\n<h2>\u503c\u5f97\u6bd4\u8f83\u7684GPU\u6258\u7ba1\u670d\u52a1\u5546<\/h2>\n<h3>RunPod\uff1a\u9762\u5411\u4eba\u5de5\u667a\u80fd\u5de5\u4f5c\u8d1f\u8f7d\u7684GPU\u79df\u8d41\u670d\u52a1<\/h3>\n<p><strong><a href=\"https:\/\/www.gxcom.net\/zh\/go\/runpod\" title=\"RunPod\" class=\"pretty-link pretty-link-keyword prli-keyword\" data-prli-link-id=\"35\" rel=\"nofollow sponsored noopener\" target=\"_blank\">RunPod<\/a><\/strong> \u8fd9\u5bf9\u6d4b\u8bd5\u63a8\u7406\u6846\u67b6\u548c GPU \u914d\u7f6e\u7684\u56e2\u961f\u5177\u6709\u53c2\u8003\u4ef7\u503c\u3002\u8bf7\u6bd4\u8f83\u53ef\u7528\u7684\u52a0\u901f\u5668\u578b\u53f7\u3001VRAM\u3001\u90e8\u7f72\u9009\u9879\u3001\u5b58\u50a8\u8d39\u7528\u4ee5\u53ca\u5f53\u524d\u7684\u79df\u8d41\u6761\u6b3e\u3002.<\/p>\n<h3>Vultr\uff1a\u4e91\u7aef GPU \u57fa\u7840\u8bbe\u65bd<\/h3>\n<p><strong>Vultr<\/strong> \u63d0\u4f9b\u4e86\u503c\u5f97\u8bc4\u4f30\u7684 GPU \u4e91\u57fa\u7840\u8bbe\u65bd\uff0c\u53ef\u6ee1\u8db3\u6258\u7ba1\u90e8\u7f72\u5de5\u4f5c\u6d41\u548c\u533a\u57df\u6027\u9700\u6c42\u3002\u5728\u89c4\u5212 FP4 \u63a8\u7406\u4e4b\u524d\uff0c\u8bf7\u786e\u8ba4\u5177\u4f53\u7684 GPU \u4ee3\u6570\u548c\u8f6f\u4ef6\u517c\u5bb9\u6027\u3002.<\/p>\n<h3>Cherry Servers\uff1a\u4e13\u7528 GPU \u57fa\u7840\u8bbe\u65bd<\/h3>\n<p><strong><a href=\"https:\/\/www.gxcom.net\/zh\/go\/cherryservers\" title=\"Cherry \u670d\u52a1\u5668\" class=\"pretty-link pretty-link-keyword prli-keyword\" data-prli-link-id=\"39\" rel=\"nofollow sponsored noopener\" target=\"_blank\">Cherry \u670d\u52a1\u5668<\/a><\/strong> \u5bf9\u4e8e\u6b63\u5728\u8003\u8651\u91c7\u7528\u4e13\u7528\u786c\u4ef6\u4e14\u5de5\u4f5c\u8d1f\u8f7d\u53ef\u9884\u6d4b\u7684\u7ec4\u7ec7\u800c\u8a00\uff0c\u8fd9\u4e00\u70b9\u5c24\u4e3a\u91cd\u8981\u3002\u8bf7\u8bc4\u4f30\u53ef\u7528\u7684\u52a0\u901f\u5668\u3001\u5185\u5b58\u5bb9\u91cf\u3001\u7f51\u7edc\u914d\u7f6e\u4ee5\u53ca\u90e8\u7f72\u652f\u6301\u3002.<\/p>\n<h3>GPU Mart\uff1aGPU\u670d\u52a1\u5668\u7684\u66ff\u4ee3\u65b9\u6848<\/h3>\n<p><strong><a href=\"https:\/\/www.gxcom.net\/zh\/go\/gpumart\" title=\"GPU-Mart\" class=\"pretty-link pretty-link-keyword prli-keyword\" data-prli-link-id=\"48\" rel=\"nofollow\">GPU Mart<\/a><\/strong> \u8fd9\u662f\u53e6\u4e00\u4e2a\u53ef\u7528\u4e8e\u6bd4\u8f83 GPU \u6258\u7ba1\u914d\u7f6e\u7684\u9009\u9879\u3002\u8d2d\u4e70\u524d\u8bf7\u786e\u8ba4\u5177\u4f53\u7684 GPU \u578b\u53f7\u3001\u9a71\u52a8\u7a0b\u5e8f\u652f\u6301\u60c5\u51b5\u3001\u865a\u62df\u5316\u9650\u5236\u4ee5\u53ca\u53ef\u7528\u5185\u5b58\u3002.<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u5176\u4ed6\u57fa\u7840\u8bbe\u65bd\u9009\u9879\uff0c\u8bf7\u67e5\u9605\u6211\u4eec\u7684 <a href=\"https:\/\/www.gxcom.net\/zh\/ai-gpu-vps-%e6%9c%8d%e5%8a%a1%e5%95%86\/\"><strong>AI GPU VPS \u670d\u52a1\u5546\u5bf9\u6bd4<\/strong><\/a>.<\/p>\n<h2>\u4ec0\u4e48\u65f6\u5019\u5e94\u8be5\u9009\u62e9 FP8\uff1f<\/h2>\n<p>\u5f53\u6709\u652f\u6301\u7684\u786c\u4ef6\u53ef\u7528\u3001\u6a21\u578b\u8d28\u91cf\u91cd\u8981\u4e14\u73b0\u6709\u63a8\u7406\u6846\u67b6\u5177\u5907\u6210\u719f\u7684\u90e8\u7f72\u8def\u5f84\u65f6\uff0cFP8 \u662f\u4e00\u4e2a\u5f88\u597d\u7684\u8d77\u70b9\u3002.<\/p>\n<p>\u5f53\u6a21\u578b\u5df2\u7ecf\u80fd\u591f\u8f7b\u677e\u5bb9\u7eb3\u5728\u53ef\u7528VRAM\u4e2d\uff0c\u4e14FP4\u5e26\u6765\u7684\u53ef\u6d4b\u5f97\u541e\u5410\u91cf\u63d0\u5347\u6709\u9650\u65f6\uff0c\u8fd9\u79cd\u505a\u6cd5\u53ef\u80fd\u66f4\u4e3a\u53ef\u53d6\u3002.<\/p>\n<h2>\u5728\u4ec0\u4e48\u60c5\u51b5\u4e0b\u8fdb\u884cFP4\u66f4\u5408\u7406\uff1f<\/h2>\n<p>\u5f53\u5185\u5b58\u5360\u7528\u6210\u4e3a\u4e3b\u8981\u9650\u5236\u56e0\u7d20\u3001\u652f\u6301\u8be5\u683c\u5f0f\u7684\u786c\u4ef6\u80fd\u591f\u9ad8\u6548\u6267\u884c\u6240\u9009\u683c\u5f0f\uff0c\u4e14\u5177\u6709\u4ee3\u8868\u6027\u7684\u8d28\u91cf\u6d4b\u8bd5\u663e\u793a\u7ed3\u679c\u53ef\u63a5\u53d7\u65f6\uff0cFP4\u4fbf\u5177\u6709\u5438\u5f15\u529b\u3002.<\/p>\n<p>\u5b83\u6216\u8bb8\u80fd\u591f\u652f\u6301\u66f4\u5927\u7684\u6a21\u578b\u3001\u66f4\u9ad8\u7684\u5e76\u53d1\u6027\u6216\u66f4\u5c11\u7684GPU\uff0c\u4f46\u8fd9\u4e9b\u4f18\u52bf\u5fc5\u987b\u901a\u8fc7\u5b9e\u9645\u9a8c\u8bc1\u6765\u8bc1\u660e\uff0c\u800c\u975e\u4ec5\u51ed\u5047\u8bbe\u3002.<\/p>\n<p>\u6709\u5173\u786c\u4ef6\u5bf9\u6bd4\uff0c\u8bf7\u53c2\u9605\u6211\u4eec\u7684 <a href=\"https:\/\/www.gxcom.net\/zh\/%e4%bb%b7%e6%a0%bc%e5%ae%9e%e6%83%a0%e7%9a%84-nvidia-gpu-%e8%99%9a%e6%8b%9f%e4%b8%93%e7%94%a8%e6%9c%8d%e5%8a%a1%e5%99%a8\/\"><strong>\u7ecf\u6d4e\u5b9e\u60e0\u7684 NVIDIA GPU VPS \u6307\u5357<\/strong><\/a>.<\/p>\n<h2>\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h2>\n<h3>FP4 \u5360\u7528\u7684\u5185\u5b58\u662f FP8 \u7684\u4e8c\u5206\u4e4b\u4e00\u5417\uff1f<\/h3>\n<p>\u539f\u59cb\u76844\u4f4d\u6743\u91cd\u6240\u9700\u7684\u5b58\u50a8\u7a7a\u95f4\u4ec5\u4e3a8\u4f4d\u6743\u91cd\u7684\u4e00\u534a\u3002\u8fd0\u884c\u65f6\u5185\u5b58\u7684\u603b\u8282\u7701\u91cf\u901a\u5e38\u4f1a\u6709\u6240\u4e0d\u540c\u3002.<\/p>\n<h3>FP4 \u662f\u5426\u603b\u662f\u6bd4 FP8 \u66f4\u5feb\uff1f<\/h3>\n<p>\u4e0d\u3002\u6027\u80fd\u53d6\u51b3\u4e8e\u539f\u751f\u786c\u4ef6\u652f\u6301\u3001\u63a8\u7406\u5185\u6838\u3001\u6a21\u578b\u67b6\u6784\u4ee5\u53ca\u5de5\u4f5c\u8d1f\u8f7d\u7279\u5f81\u3002.<\/p>\n<h3>FP4 \u662f\u5426\u603b\u662f\u4f1a\u964d\u4f4e\u6a21\u578b\u7684\u51c6\u786e\u7387\uff1f<\/h3>\n<p>\u8fd9\u4f1a\u5f15\u5165\u91cf\u5316\u8bef\u5dee\uff0c\u4f46\u5bf9\u5b9e\u9645\u8d28\u91cf\u7684\u5f71\u54cd\u56e0\u60c5\u51b5\u800c\u5f02\u3002\u8fdb\u884c\u5177\u6709\u4ee3\u8868\u6027\u7684\u8bc4\u4f30\u81f3\u5173\u91cd\u8981\u3002.<\/p>\n<h3>\u6bcf\u5757GPU\u90fd\u80fd\u8fd0\u884cFP4\u63a8\u7406\u5417\uff1f<\/h3>\n<p>\u67d0\u4e9b GPU \u53ef\u4ee5\u901a\u8fc7\u8f6f\u4ef6\u8f6c\u6362\u6765\u5904\u7406\u538b\u7f29\u6743\u91cd\uff0c\u4f46\u8981\u5b9e\u73b0\u9ad8\u6548\u7684\u539f\u751f FP4 \u6267\u884c\uff0c\u5219\u9700\u8981\u517c\u5bb9\u7684\u786c\u4ef6\u548c\u8f6f\u4ef6\u3002.<\/p>\n<h2>\u6700\u7ec8\u7ed3\u8bba\uff1aAI\u63a8\u7406\u8be5\u9009FP8\u8fd8\u662fFP4\uff1f<\/h2>\n<p>\u8be5 <strong>FP8 \u4e0e FP4 \u63a8\u7406<\/strong> \u8be5\u51b3\u7b56\u5e94\u5728\u5185\u5b58\u6548\u7387\u3001\u8f93\u51fa\u8d28\u91cf\u3001\u786c\u4ef6\u517c\u5bb9\u6027\u4ee5\u53ca\u6d4b\u7b97\u51fa\u7684\u670d\u52a1\u6210\u672c\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002.<\/p>\n<p>\u82e5\u8981\u5728\u517c\u5bb9\u786c\u4ef6\u4e0a\u91c7\u7528\u4e00\u79cd\u5e7f\u6cdb\u9002\u7528\u7684\u4f4e\u7cbe\u5ea6\u90e8\u7f72\u7b56\u7565\uff0c\u8bf7\u9009\u62e9 FP8\u3002\u5f53\u652f\u6301\u7684\u52a0\u901f\u529f\u80fd\u548c\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u6a21\u578b\u8d28\u91cf\u80fd\u5e26\u6765\u660e\u663e\u7684\u7ecf\u6d4e\u4f18\u52bf\u65f6\uff0c\u8bf7\u8003\u8651\u91c7\u7528 FP4\u3002.<\/p>\n<p>\u6bd4\u8f83 <a href=\"https:\/\/www.gxcom.net\/zh\/go\/runpod\" title=\"RunPod\" class=\"pretty-link pretty-link-keyword prli-keyword\" data-prli-link-id=\"35\" rel=\"nofollow sponsored noopener\" target=\"_blank\">RunPod<\/a>, Vultr\u3001Cherry Servers \u4ee5\u53ca <a href=\"https:\/\/www.gxcom.net\/zh\/go\/databasemart\" title=\"\u6570\u636e\u5e93\u96c6\u5e02\" class=\"pretty-link pretty-link-keyword prli-keyword\" data-prli-link-id=\"38\" rel=\"nofollow sponsored noopener\" target=\"_blank\">GPU Mart<\/a> \u57fa\u4e8e\u5b9e\u9645\u7684GPU\u89c4\u683c\u548c\u5de5\u4f5c\u8d1f\u8f7d\u57fa\u51c6\u6d4b\u8bd5\u3002\u6700\u4f18\u914d\u7f6e\u662f\u6307\u80fd\u5728\u6700\u4f4e\u53ef\u6301\u7eed\u6210\u672c\u4e0b\u63d0\u4f9b\u53ef\u9760\u6a21\u578b\u8f93\u51fa\u7684\u914d\u7f6e\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u6743\u91cd\u683c\u5f0f\u6700\u5c0f\u7684\u914d\u7f6e\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5f53 GPU \u5185\u5b58\u9650\u5236\u4e86\u6279\u91cf\u5927\u5c0f\u3001\u6a21\u578b\u90e8\u7f72\u4f4d\u7f6e\u548c\u5e76\u53d1\u8bf7\u6c42\u6570\u91cf\u65f6\uff0c\u8fd0\u884c\u5927\u578b\u8bed\u8a00\u6a21\u578b\u7684\u6210\u672c\u4f1a\u5f88\u9ad8\u3002\u91c7\u7528\u4f4e\u7cbe\u5ea6\u63a8\u7406\u53ef\u4ee5\u7f13\u89e3\u8fd9\u4e9b\u9650\u5236\uff0c\u4f46\u9009\u62e9\u66f4\u5c0f\u7684\u6570\u503c\u683c\u5f0f\u53c8\u4f1a\u5e26\u6765\u65b0\u7684\u95ee\u9898\u2026\u2026<\/p>","protected":false},"author":1,"featured_media":2887,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64],"tags":[2249,2250,2248,2251,2252],"class_list":["post-2886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gpu-server-comparisons","tag-fp4-inference","tag-fp8-quantization","tag-fp8-vs-fp4","tag-gpu-memory-optimization","tag-llm-serving-costs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>FP8 vs FP4 Inference: VRAM, Accuracy &amp; Costs | GXCOM<\/title>\n<meta name=\"description\" content=\"FP8 vs FP4 inference compared for GPU memory savings, model accuracy, hardware compatibility, LLM throughput and real AI serving costs.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.gxcom.net\/zh\/fp8-\u4e0e-fp4-\u7684\u63a8\u7406\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FP8 vs FP4: Which Is Better for AI Inference? | GXCOM\" \/>\n<meta property=\"og:description\" content=\"Compare FP8 and FP4 inference for VRAM usage, LLM accuracy, NVIDIA GPU support, token throughput and GPU hosting costs.\" \/>\n<meta property=\"og:url\" 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