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Pentium G645 vs Core i9-12900K

Pentium G645 vs Core i9-12900K: game performance, price, value, and specification comparison. Select comparison game parameters.

Intel Pentium G645

2.9 GHz | 2-core

Intel Pentium G645 Logo
Intel Pentium G645 Dual-Core Processor 2.9 Ghz 3 MB Cache LGA 1155 - BX80623G645

Buy for 33.27 on Amazon

In Stock

Updated 28 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 216.7 on Amazon

In Stock

Updated 29 minutes ago

Intel Pentium G645

2.9 GHz | 2-core

Intel Pentium G645 Logo
Intel Pentium G645 Dual-Core Processor 2.9 Ghz 3 MB Cache LGA 1155 - BX80623G645

Buy for 33.27 on Amazon

In Stock

Updated 28 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 216.7 on Amazon

In Stock

Updated 29 minutes ago

Key Differences

In short — Core i9-12900K outperforms the cheaper Pentium G645 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 the cheaper Pentium G645.

Advantages of Intel Pentium G645

  • Up to 85% cheaper than Core i9-12900K - $29.97 vs $195.23
  • Consumes up to 48% less energy than Intel Core i9-12900K - 65 vs 125 Watts

Advantages of Intel Core i9-12900K

  • Performs up to 49% better in Grand Theft Auto V than Pentium G645 - 159 vs 107 FPS
  • Can execute more multi-threaded tasks simultaneously than Intel Pentium G645 - 24 vs 2 threads
This is a free version of Grand Theft Auto V.
Grand Theft Auto V

Grand Theft Auto V

Resolution

1920 x 1080

Game Graphics

Ultra

Intel Pentium G645 Logo
Pentium G645

Desktop • Sep 2nd, 2012


FPS

107

67.29559748427673%

Value, €/FPS

Price, €

€33.27

100%

Intel Pentium G645 Dual-Core Processor 2.9 Ghz 3 MB Cache LGA 1155 - BX80623G645

Buy for 33.27 on Amazon

In Stock

Updated 28 minutes ago

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

Desktop • Nov 4th, 2021


FPS

159

100%

Value, €/FPS

Price, €

€216.7

15%

FPS 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 216.7 on Amazon

In Stock

Updated 29 minutes ago

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Ultra

Intel Pentium G645 Logo
Pentium G645

Desktop • Sep 2nd, 2012

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

Desktop • Nov 4th, 2021

Geekbench 5 Benchmarks

Intel Pentium G645 Logo
Pentium G645

Desktop • Sep 2nd, 2012


Single-Core

465

17.748091603053435%

Multi-Core

800

5.179669796050502%

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

Desktop • Nov 4th, 2021


Single-Core

2620

100%

Multi-Core

15445

100%

Intel Pentium G645

vs

Intel Core i9-12900K

Sep 2nd, 2012Release Date
Nov 4th, 2021
PentiumCollectionCore i9
Sandy BridgeCodenameAlder Lake
Intel Socket 1155SocketIntel Socket 1700
Desktop
Segment
Desktop
2Cores
16
2Threads
24
2.9 GHzBase Clock Speed
3.2 GHz
Non-TurboTurbo Clock Speed5.2 GHz
65 W
TDP125 W
32 nmProcess Size
10 nm
29.0xMultiplier
32.0x
Intel HD (Sandy Bridge)Integrated GraphicsUHD Graphics 770
NoOverclockable
Yes

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