Power Scaling in Cinebench for 13900k and 7950x (by HardwareUnboxed)

Reddit: Power Scaling in Cinebench for 13900k and 7950x

Power Scaling in Cinebench for 13900k and 7950x (by HardwareUnboxed)


Hardware Unboxed
@HardwareUnboxed
Please note I will trim (remove) the power scaling section from our review. The data is accurate for the MSI motherboard used. BUT It appears as though MSI is very aggressive on voltage and doesn’t correct this when power limiting the CPU.

Hardware Unboxed
@HardwareUnboxed
This in no way changes our conclusion about the 13900K, as it was based entirely on the out of the box behavior which is to run without power limits on all Z690 and Z790 boards as intended by Intel.

Hardware Unboxed
@HardwareUnboxed
It seems like the issue is with the Intel XTU software rather than the MSI motherboard. Lesson learnt, I'll always power limit in the BIOS moving forward. I was mostly focused on the package power in HWinfo. Anyway, sorry again for the mistake, the video should be fixed soon.

Hardware Unboxed
@HardwareUnboxed
It's the power scaling that's the issue, the 13900K looks to be more efficient when power limited. The power consumption graph in the review is accurate and hitting TjMAX out of the box in under 20 seconds with a 360mm AIO is the default configuration.
这图威力真大。到处都看到有人在放。
這圖怪怪的

13900k 142W R23 3.2w分 360水冷

7950x 142W R23 3.3W分 風冷 貓頭
太神奇了,每家跑出來的分數都差很多 (估計是主板廠商調的太激進)
雷邱昨天才發文,在不降壓、不解鎖功耗 (253W),R23可以輕鬆到3萬8
不理解為何很多評測喜歡解除功耗限制,然後再說功耗很高、溫度壓不住
這...本來就不是原廠設計的運作範圍


j808010
這就是很大的問題,我相信A/I兩家肯定早在實驗室就測好V/F curve,如果解鎖功率後的交換很划算,公司早就把PL往上提了
loki6865
因為首測等於既定印象跟風向,不解功耗定在253W,那測出來成績就會跟7950X有來有回了...。
13900K vs 7950X (功耗) 效率

游戏脑力
基本差不多,在65-250瓦范围内,7950x略强。
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