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The Core i7-3820 is at least 2x slower gaming CPU than the Core i9-11900K. We cannot compare value as at least one CPU is out of stock.

Advantages of the Core i7-3820

The Core i9-11900K is better in every way

Advantages of the Core i9-11900K

  • At least 2x faster CPU for gaming
  • Consumes up to 4% less energy125 vs 130 Watts
  • Can execute more multi-threaded tasks simultaneously – 16 vs 8 threads
  • Can run games without a dedicated GPU as it has integrated graphics

Core i7-3820 vs Core i9-11900K for Gaming

The CPU's performance in selected game and settings

Intel Core i7-3820 Logo

Core i7-3820

Feb 13th, 2012


Average FPS

170

82%

Min 1% FPS

114

84%

Price, €

Out of Stock

Value, €/FPS

Not Available


All items are out of stock.

Core i7-3820 vs Core i9-11900K in My Games

The FPS you'll get in saved games, click on a game to change it

The FPS you'll get in saved games, click on a game to change it

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Synthetic Benchmarks

The Core i7-3820 vs Core i9-11900K in synthetic CPU benchmarks

Intel Core i7-3820 Logo

Core i7-3820

Feb 13th, 2012


Geekbench 6 Single-Core

624

26%

Geekbench 6 Multi-Core

2290

21%

Intel Core i9-11900K Logo

Core i9-11900K

Mar 16th, 2021


Geekbench 6 Single-Core

2388

100%

Geekbench 6 Multi-Core

10919

100%

Performance Specifications

The Core i7-3820 vs Core i9-11900K in core CPU performance specifications

Intel Core i7-3820 Logo

Core i7-3820

Feb 13th, 2012


Cores

4-core

50%

L3 Cache

10 MB

62%


Base Frequency

3.6 GHz

100%

Turbo Frequency

3.8 GHz

72%

Max. DDR3 RAM Speed

1600 MHz

50%

Intel Core i9-11900K Logo

Core i9-11900K

Mar 16th, 2021


Cores

8-core

100%

L3 Cache

16 MB

100%


Base Frequency

3.5 GHz

97%

Turbo Frequency

5.3 GHz

100%

Max. DDR4 RAM Speed

3200 MHz

100%

Specifications

Comparison of all specifications

Intel Core i7-3820 Logo

Core i7-3820

Specifications

Comparison of all specifications

Intel Core i9-11900K Logo

Core i9-11900K

General
Feb 13th, 2012Release Date
Mar 16th, 2021
$305.00
MSRP$539.00
Desktop
Segment
Desktop
Intel Socket 2011SocketIntel Socket 1200
Sandy Bridge ECodenameRocket Lake
130 WPower Consumption
125 W
Performance
4Cores
8
8Threads
16
3.6 GHz
Base Frequency3.5 GHz
3.8 GHzTurbo Frequency
5.3 GHz
10 MBL3 Cache
16 MB
Other Features
DDR3 @ 1600 MHzRAMDDR4 @ 3200 MHz
NoIntegrated Graphics
UHD Graphics 750
YesOverclockableYes

Prebuilt Gaming PCs

Our users choose these PCs when going for the Core i7-3820 or Core i9-11900K

Our users choose these PCs when going for the Core i7-3820 or Core i9-11900K

Core i7-3820 and Core i9-11900K vs Other CPUs

The most compared CPUs against the Core i7-3820 and Core i9-11900K

The most compared CPUs against the Core i7-3820 and Core i9-11900K

CPUs Compared for Gaming

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