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Core i9-12900K vs Xeon E5645

Core i9-12900K vs Xeon E5645: game performance, price, value, and specification comparison. Select comparison game parameters.

FPS Winner

Intel Core i9-12900K

3.2 GHz | 16-core

Intel Core i9-12900K Logo
Intel Core i9-12900K Gaming Desktop Processor with Integrated Graphics and 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W

Buy for $329.99 on Amazon

In Stock

Updated 52 minutes ago

vs
FPS Winner

Intel Core i9-12900K

3.2 GHz | 16-core

Intel Core i9-12900K Logo
Intel Core i9-12900K Gaming Desktop Processor with Integrated Graphics and 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W

Buy for $329.99 on Amazon

In Stock

Updated 52 minutes ago

vs

Key Differences

In short — Core i9-12900K outperforms Xeon E5645 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-12900K is 4251 days newer than Xeon E5645.

Advantages of Intel Core i9-12900K

  • Performs up to 16% better in F1 22 than Xeon E5645 - 289 vs 249 FPS
  • Can execute more multi-threaded tasks simultaneously than Intel Xeon E5645 - 24 vs 12 threads
  • Works without a dedicated GPU, while Intel Xeon E5645 doesn't have integrated graphics

Advantages of Intel Xeon E5645

  • Consumes up to 36% less energy than Intel Core i9-12900K - 80 vs 125 Watts
This is a free version of F1 22.
F1 22

F1 22

Resolution

1920 x 1080

Game Graphics

Ultra High

Intel Core i9-12900K Logo
Core i9-12900K

Desktop • Nov 4th, 2021


FPS

289

100%

Value, $/FPS

$1.14/FPS

100%

Price, $

$329.99

100%

FPS and Value Winner

Intel Core i9-12900K Gaming Desktop Processor with Integrated Graphics and 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W

Buy for $329.99 on Amazon

In Stock

Updated 52 minutes ago

Intel Xeon E5645 Logo
Xeon E5645

Server/Workstation • Mar 16th, 2010


FPS

249

86%

Value, $/FPS

Price, $

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Ultra High

Intel Core i9-12900K Logo
Core i9-12900K

Desktop • Nov 4th, 2021

Intel Xeon E5645 Logo
Xeon E5645

Server/Workstation • Mar 16th, 2010

Geekbench 5 Benchmarks

Intel Core i9-12900K Logo
Core i9-12900K

Desktop • Nov 4th, 2021


Single-Core

2620

100%

Multi-Core

15445

100%

Intel Xeon E5645 Logo
Xeon E5645

Server/Workstation • Mar 16th, 2010


Single-Core

359

13%

Multi-Core

1681

10%

Intel Core i9-12900K Logo

Intel Core i9-12900K

vs
Intel Xeon E5645 Logo

Intel Xeon E5645

Nov 4th, 2021
Release DateMar 16th, 2010
Core i9CollectionXeon
Alder LakeCodenameWestmere-EP
Intel Socket 1700SocketIntel Socket 1366
Desktop
Segment
Server
16
Cores6
24
Threads12
3.2 GHz
Base Clock Speed2.4 GHz
5.2 GHz
Turbo Clock Speed2.7 GHz
125 WTDP
80 W
10 nm
Process Size32 nm
32.0x
Multiplier18.0x
UHD Graphics 770
Integrated GraphicsNone
Yes
OverclockableNo

Builds Using Core i9-12900K or Xeon E5645

F1 22, 1920 x 1080, Ultra High

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