一、前言：流淌着i7血脉的酷睿14代i5处理器

两年前，Intel发布了i5-12490F处理器，这是首款专门针对中国内地市场推出的桌面处理器产品。相比i5-12400F，它有更高运行频率、更大的三级缓存。

而在14代酷睿时代，Intel同样也专为中国大陆推出了两款产品，分别是酷睿i7-14790F和酷睿i5-14490F，我们首先评测的是i5-14490。

i5-14490是一颗非常特殊的处理器，虽然与i5-14400F一样同为6P-Core + 4-Core设计，但它俩的核心并不相同。

实际上，你可以将i5-14490看成是移动端i7-12700H砍掉4个E-Core后的产物。

酷睿i5-14490F详细参数如下：

i5-14490F采用6P-Core + 4-Core设计，共10核心16线程，其中P-Core基础频率2.5GHz、加速频率4.9GHz、全核频率4.4GHz，三级缓存容量24MB，二级缓存容量9.5MB，TDP 65W，最大功耗148W。

与i5-14400相比，i5-14490F的P-Core加速频率高了0.2GHz，全核频率高了300MHz，E-Core频率则多了400MHz，三级缓存多4MB。

二、图赏：特殊黑盒 没有自带散热器

黑盒包装，和常规版本的蓝色不一样。

开箱。

正面与其他酷睿14代处理器大同小异。

背面。

上机。

三、CPU性能测试：与锐龙5 7600X互有胜负

测试平台如下：

1、CPU-Z

2、CineBench R15

3、CineBench R20

4、CineBench R23

5、POV-Ray

6、7-zip

7、国际象棋

8、硬件狗狗

i5-14490F硬件狗狗CPU性能评分193536，超过了全国97%的用户。

测试数据汇总如下：

和i5-14400相比，i5-14490F的性能有明显的提升，其中单核性能提升了5%，多核性能则提高了8%。

与对手的锐龙5 7600X相比，i5-14490F的单核性能稍微落后6.9%，不过多核性能却能领先4.6%。

另外，比较让人意外的是，i5-14490F不论单核性能还是多核性能都与i5-12600K几乎完全相同。

四、游戏性能测试：比i5-14400强6%

1、刺客信条：英灵殿

2、地平线：零之曙光

3、孤岛惊魂5

4、孤岛惊魂6

5、古墓丽影：暗影

6、极限竞速：地平线5

7、奇点灰烬

8、赛博朋克2077

9、无主之地3

10、战争机器5

11、中土世界：战争之影

测试数据汇总如下：

i5-14490F的游戏性能比i5-14400要强了一些，大概有6%的优势，这块处理器比较适合搭配甜点显卡。

五、功耗测试：默认电压较高 降压后性能略有提升

1、默认电压烤机测试

i5-14490F的默认电压高的惊人，在使用AIDA64 FPU进行烤机时，核心电压竟然高达1.4V，比i9-14900K都要高了不少，这也导致了它的烤机功耗偏高。

我们进行了22分钟的烤机，处理器功耗高达206W，温度84度，P-Core全核频率4.4GHz，E-Core烤机频率3.7GHz。

2、降压烤机测试

我们在BIOS直接将电压降低0.16V，以下是烤机数据。

烤机时长15分钟，此时的功耗降到了158W，温度也从84度降低到了66度，P-Core和E-Core都能达到最大全核频率。

还有一点，i5-14490F降压后性能不会下降。

默认电压下R20单核分数719cb，多核分数6606cb。

降压之后，单核分数增长到了728cb，多核分数则是6626cb。

六、总结：极具性价比的内地特供神U

本次测试小结如下:

1、能降压的非K处理器

酷睿第13/14代非K处理器，在降压后几乎都会出现性能暴降的情况，也就是降压后无法正常使用。

i5-14490F是一个例外。

这块处理器的默认电压非常之高，在使用AIDA64 FPU就行烤机时，核心电压竟然达到了1.4V。

我们尝试将电压降低0.16V之后，烤机功耗从206W降低到了158W，烤机温度也从84度降低到了66度。

更重要的是，降压后处理器的性能并未下降，反而还有些许提升。

2、理论性能

与i5-14400相比，i5-14490F的全核频率高了300MHz，三级缓存也多了4MB，因此性能也提升了不少。具体来书单核性能提升了6%，多核性能提升了8%。

与对手的锐龙5 7600X相比，单核性能落后6.9%，但多核性能实现了反超，有4.6%的优势。

3、游戏性能

i5-14490F不太适合搭配顶级显卡，当然也没有谁会用千元处理器和万元的RX 4090这样的组合。

不过为了方便对比各款CPU游戏性能的差异，测试平台的显卡我们选择了NVIDIA RTX 4090。

在游戏性能上，i5-14490F比i5-14400要强了6%，不过比i5-14600相比则有不小差距，落后了16%左右。

总体说来，1649元的i5-14490F是一块极具性价比的产品，不论是生产力表现还是游戏性能，它都比i5-14400强不少，但价格却更便宜。

更重要的是，可能是因为与i7-12700H一脉相承的原因，i5-14490F是一款能够降压的非K处理器。

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