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Core i9-12900K vs Pentium G645T

Core i9-12900K vs Pentium G645T: 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 Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W

Buy for £330.99 on Amazon

In Stock

Updated 127 minutes ago

vs
FPS Winner

Intel Core i9-12900K

3.2 GHz | 16-core

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

Buy for £330.99 on Amazon

In Stock

Updated 127 minutes ago

vs

Key Differences

In short — Core i9-12900K outperforms Pentium G645T on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-12900K is 3350 days newer than Pentium G645T.

Advantages of Intel Core i9-12900K

  • Performs up to 12% better in Crysis 3 Remastered than Pentium G645T - 200 vs 178 FPS
  • Can execute more multi-threaded tasks simultaneously than Intel Pentium G645T - 24 vs 2 threads

Advantages of Intel Pentium G645T

  • Consumes up to 72% less energy than Intel Core i9-12900K - 35 vs 125 Watts
This is a free version of Crysis 3 Remastered.
Crysis 3 Remastered

Crysis 3 Remastered

Resolution

1920 x 1080

Game Graphics

Very High

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

Desktop • Nov 4th, 2021


FPS

200

100%

Value, £/FPS

£1.65/FPS

100%

Price, £

£330.99

100%

FPS and Value Winner

Intel® Core™ i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W

Buy for £330.99 on Amazon

In Stock

Updated 127 minutes ago

Intel Pentium G645T Logo
Pentium G645T

Desktop • Sep 2nd, 2012


FPS

178

89%

Value, £/FPS

Price, £

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Very High

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

Desktop • Nov 4th, 2021

Intel Pentium G645T Logo
Pentium G645T

Desktop • Sep 2nd, 2012

Geekbench 5 Benchmarks

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

Desktop • Nov 4th, 2021


Single-Core

2620

100%

Multi-Core

15445

100%

Intel Pentium G645T Logo
Pentium G645T

Desktop • Sep 2nd, 2012


Single-Core

355

14%

Multi-Core

606

4%

Nov 4th, 2021
Release DateSep 2nd, 2012
Core i9CollectionPentium
Alder LakeCodenameSandy Bridge
Intel Socket 1700SocketIntel Socket 1155
Desktop
Segment
Desktop
16
Cores2
24
Threads2
3.2 GHz
Base Clock Speed2.5 GHz
5.2 GHzTurbo Clock SpeedNon-Turbo
125 WTDP
35 W
10 nm
Process Size32 nm
32.0x
Multiplier25.0x
UHD Graphics 770Integrated GraphicsIntel HD (Sandy Bridge)
Yes
OverclockableNo

PC Builds Using Core i9-12900K or Pentium G645T

Crysis 3 Remastered, 1920 x 1080, Very High

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