万众期待 Haswell i7-4770K处理器全球最全首测-快科技-科技改变生活

万众期待 Haswell i7-4770K处理器全球最全首测

鲲鹏
2013年05月12日 11:25
0

从图表上可见待机状态下i7-4770K的温度为34.4℃，i7-3770K为37.3℃，前者以3.1℃的优势领先。而在CPU在满载后，i7-4770K的温度则升至68.1℃，i7-3770K仅为67.5℃，成绩顺序也发生了改变。笔者认为这是由于新一代Haswell处理器在待机时主频仅为800MHz，这比Ivy-bridge时期的1.6GHz要低一半，因此闲置时温度也更低。除此之外，i7-4770K的热功耗已经从上一代的77W上升至84W，我们估计这也跟i7-4770K满载温度较高有关。

功耗测试部分我们使用Intel Burn Test V2.54软件的MAX模式进行负载。从上图中可以看到待机下i7-4770K的功耗更低，仅48.9W；而满载后结果则反输对手，功耗为131.3W，比i7-3770K要高13.2W。功耗成绩基本上与温度成绩的结论相一致。

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