Intel Xeon W9-3495X Sapphire Rapids CPU Sips Almost 2 Kilowatts of Power When Overclocked
Intel's Xeon W9-3495X "Sapphire Rapids" is currently the fastest multi-threaded CPU in the workstation segment but it also consumes an insane amount of power when overclocked.
The Intel Xeon W9-3495X is a juggernaut of a chip that offers 56 Golden Cove cores, 112 threads, 112 PCIe Gen 5.0 lanes, 105 MB of cache, and all of that in a 420W MTP package that can sip over 1000 Watts when overclocked. We have already seen various overclocking demonstrations of the chip where it hit anywhere from 1100W to 1400W power spikes but the most recent overclock demo by ASUS's in-house overclocker, Elm0r, saw power spikes hitting almost 2 Kilowatts, the highest ever recorded for a CPU.
The overclocking demonstration was done at the ASUS HQ where a setup comprising of the Intel Xeon W9-3495X CPU, an ASUS Pro WS W790E-SAGE SE motherboard, 8 G.Skill ZETA R5 DDR5 DRAM, and two Superflower Leadex 1600W PSUs was used. This being an overclocked session means that LN2 cooling was used to tame this powerful chip with all of the 56 cores clocked to 5.1 GHz. Even at these overclocked speeds, the CPU was operating at -91.8C (-133.2F) temperatures.
As for power consumption, the CPU jumped to an insane 1881W power which is super close to the 2Kilowatt barrier. Currently, there's no CPU or even a GPU that can hit this much power during an overclocking session. Even the GALAX GeForce RTX 4090 HOF OC LAB edition graphics card which makes use of dual 16-pin connectors can only sip slightly above 1000W of power when pushed to a hefty 3.7 GHz+ overclock.
Regardless, while Elm0r wasn't able to break the current world record of the Intel Xeon W9-3495X in Cinebench R23, hitting almost 2000W of power is a feat in itself. The CPU scored 132220 points while the
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