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Core i7-3820 vs Core i9-12900K

Core i7-3820 vs Core i9-12900K: game performance, price, value, and specification comparison. Select comparison game parameters.

Intel Core i7-3820

3.6 GHz | 4-core

Intel Core i7-3820 Logo
Intel Core i7-3820 Quad-Core Processor 3.6 GHz 10 MB Cache LGA 2011 - BX80619I73820

Buy for $349.88 on Amazon

In Stock

Updated 74051 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 $298.85 on Amazon

In Stock

Updated 74051 minutes ago

Intel Core i7-3820

3.6 GHz | 4-core

Intel Core i7-3820 Logo
Intel Core i7-3820 Quad-Core Processor 3.6 GHz 10 MB Cache LGA 2011 - BX80619I73820

Buy for $349.88 on Amazon

In Stock

Updated 74051 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 $298.85 on Amazon

In Stock

Updated 74051 minutes ago

Key Differences

In short — Core i9-12900K outperforms the more expensive Core i7-3820 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-12900K is 3552 days newer than the more expensive Core i7-3820.

Advantages of Intel Core i9-12900K

  • Performs up to 55% better in Tom Clancy's Rainbow Six Siege than Core i7-3820 - 717 vs 463 FPS
  • Up to 15% cheaper than Core i7-3820 - $298.85 vs $349.88
  • Consumes up to 4% less energy than Intel Core i7-3820 - 125 vs 130 Watts
  • Can execute more multi-threaded tasks simultaneously than Intel Core i7-3820 - 24 vs 8 threads
  • Works without a dedicated GPU, while Intel Core i7-3820 doesn't have integrated graphics
This is a free version of Tom Clancy's Rainbow Six Siege.
Tom Clancy's Rainbow Six Siege

Tom Clancy's Rainbow Six Siege

Resolution

1920 x 1080

Game Graphics

Ultra

Intel Core i7-3820 Logo
Core i7-3820

Desktop • Feb 13th, 2012


FPS

463

64.57461645746164%

Value, $/FPS

Price, $

$349.88

85%

Intel Core i7-3820 Quad-Core Processor 3.6 GHz 10 MB Cache LGA 2011 - BX80619I73820

Buy for $349.88 on Amazon

In Stock

Updated 74051 minutes ago

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

Desktop • Nov 4th, 2021


FPS

717

100%

Value, $/FPS

Price, $

$298.85

100%

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 $298.85 on Amazon

In Stock

Updated 74051 minutes ago

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Ultra

Intel Core i7-3820 Logo
Core i7-3820

Desktop • Feb 13th, 2012

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

Desktop • Nov 4th, 2021

Geekbench 5 Benchmarks

Intel Core i7-3820 Logo
Core i7-3820

Desktop • Feb 13th, 2012


Single-Core

617

23.549618320610687%

Multi-Core

2299

14.88507607640013%

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

Desktop • Nov 4th, 2021


Single-Core

2620

100%

Multi-Core

15445

100%

Intel Core i7-3820 Logo

Intel Core i7-3820

vs
Intel Core i9-12900K Logo

Intel Core i9-12900K

Feb 13th, 2012Release Date
Nov 4th, 2021
Core i7CollectionCore i9
Sandy Bridge ECodenameAlder Lake
Intel Socket 2011SocketIntel Socket 1700
Desktop
Segment
Desktop
4Cores
16
8Threads
24
3.6 GHz
Base Clock Speed3.2 GHz
3.8 GHzTurbo Clock Speed
5.2 GHz
130 WTDP
125 W
32 nmProcess Size
10 nm
36.0x
Multiplier32.0x
NoneIntegrated Graphics
UHD Graphics 770
YesOverclockableYes

Builds Using Core i7-3820 or Core i9-12900K

Tom Clancy's Rainbow Six Siege, 1920 x 1080, Ultra

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