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The Core i3-8121U is at least 2x slower gaming CPU than the Core i9-13900K. We cannot compare value as at least one CPU is out of stock.

Advantages of the Core i3-8121U

  • Consumes up to 88% less energy15 vs 125 Watts

Advantages of the Core i9-13900K

  • At least 2x faster CPU for gaming
  • Can execute more multi-threaded tasks simultaneously – 32 vs 4 threads
  • Can run games without a dedicated GPU as it has integrated graphics

Core i3-8121U vs Core i9-13900K for Gaming

The CPU's performance in selected game and settings

Intel Core i3-8121U Logo

Core i3-8121U

May 5th, 2018


Average FPS

181

82%

Min 1% FPS

120

83%

Price, €

Out of Stock

Value, €/FPS

Not Available


All items are out of stock.

Core i3-8121U vs Core i9-13900K 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 i3-8121U vs Core i9-13900K in synthetic CPU benchmarks

Intel Core i3-8121U Logo

Core i3-8121U

May 5th, 2018


Geekbench 6 Single-Core

1176

39%

Geekbench 6 Multi-Core

2364

12%

Intel Core i9-13900K Logo

Core i9-13900K

Sep 27th, 2022


Geekbench 6 Single-Core

2991

100%

Geekbench 6 Multi-Core

20110

100%

Performance Specifications

The Core i3-8121U vs Core i9-13900K in core CPU performance specifications

Intel Core i3-8121U Logo

Core i3-8121U

May 5th, 2018


Cores

2-core

8%

L3 Cache

4 MB

11%


Base Frequency

2.2 GHz

73%

Turbo Frequency

3.2 GHz

55%

Max. DDR4 RAM Speed

2400 MHz

43%

Intel Core i9-13900K Logo

Core i9-13900K

Sep 27th, 2022


Cores

24-core

100%

L3 Cache

36 MB

100%


Base Frequency

3 GHz

100%

Turbo Frequency

5.8 GHz

100%

Max. DDR5 RAM Speed

5600 MHz

100%

Specifications

Comparison of all specifications

Intel Core i3-8121U Logo

Core i3-8121U

Specifications

Comparison of all specifications

Intel Core i9-13900K Logo

Core i9-13900K

May 5th, 2018
Sep 27th, 2022
Not Available$589.00
Laptop
Desktop
Intel BGA 1440Intel Socket 1700
Cannon LakeRaptor Lake
15 W
125 W
2
24
4
32
2.2 GHz
3.0 GHz
3.2 GHz
5.8 GHz
4 MB
36 MB
DDR4 @ 2400 MHzDDR4 @ 3200 MHz, DDR5 @ 5600 MHz
No
UHD Graphics 770
No
Yes

Prebuilt Gaming PCs

Our users choose these PCs when going for the Core i3-8121U or Core i9-13900K

Our users choose these PCs when going for the Core i3-8121U or Core i9-13900K

Core i3-8121U and Core i9-13900K vs Other CPUs

The most compared CPUs against the Core i3-8121U and Core i9-13900K

The most compared CPUs against the Core i3-8121U and Core i9-13900K

CPUs Compared for Gaming

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