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The Core i9-9920X is a faster gaming CPU than the Core i5-8400T. We cannot compare value as at least one CPU is out of stock.

Advantages of the Core i9-9920X

  • A faster CPU for gaming
  • Can execute more multi-threaded tasks simultaneously – 24 vs 6 threads

Advantages of the Core i5-8400T

  • Consumes up to 79% less energy35 vs 165 Watts
  • Can run games without a dedicated GPU as it has integrated graphics

Core i9-9920X vs Core i5-8400T for Gaming

The CPU's performance in selected game and settings

Intel Core i9-9920X Logo

Core i9-9920X

Oct 19th, 2018


Average FPS

205

100%

Min 1% FPS

143

100%

Price, €

Out of Stock

Value, €/FPS

Not Available


All items are out of stock.

Intel Core i5-8400T Logo

Core i5-8400T

Apr 2nd, 2018


Average FPS

200

98%

Min 1% FPS

139

97%

Price, €

Out of Stock

Value, €/FPS

Not Available


All items are out of stock.

Core i9-9920X vs Core i5-8400T 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 i9-9920X vs Core i5-8400T in synthetic CPU benchmarks

Intel Core i9-9920X Logo

Core i9-9920X

Oct 19th, 2018


Geekbench 6 Single-Core

1396

100%

Geekbench 6 Multi-Core

9572

100%

Intel Core i5-8400T Logo

Core i5-8400T

Apr 2nd, 2018


Geekbench 6 Single-Core

1123

80%

Geekbench 6 Multi-Core

3885

41%

Performance Specifications

The Core i9-9920X vs Core i5-8400T in core CPU performance specifications

Intel Core i9-9920X Logo

Core i9-9920X

Oct 19th, 2018


Cores

12-core

100%

L3 Cache

19.25 MB

100%


Base Frequency

3.5 GHz

100%

Turbo Frequency

4.5 GHz

100%

Max. DDR4 RAM Speed

2666 MHz

100%

Intel Core i5-8400T Logo

Core i5-8400T

Apr 2nd, 2018


Cores

6-core

50%

L3 Cache

9 MB

47%


Base Frequency

1.7 GHz

49%

Turbo Frequency

3.3 GHz

73%

Max. DDR4 RAM Speed

2666 MHz

100%

Specifications

Comparison of all specifications

Intel Core i9-9920X Logo

Core i9-9920X

Specifications

Comparison of all specifications

Intel Core i5-8400T Logo

Core i5-8400T

General
Oct 19th, 2018
Release DateApr 2nd, 2018
$11.89MSRP
$1.82
Desktop
Segment
Desktop
Intel Socket 2066SocketIntel Socket 1151
Skylake-XCodenameCoffee Lake
165 WPower Consumption
35 W
Performance
12
Cores6
24
Threads6
3.5 GHz
Base Frequency1.7 GHz
4.5 GHz
Turbo Frequency3.3 GHz
19.25 MB
L3 Cache9 MB
Other Features
DDR4 @ 2666 MHzRAMDDR4 @ 2666 MHz
NoIntegrated Graphics
UHD Graphics 630
Yes
OverclockableNo

Core i9-9920X and Core i5-8400T vs Other CPUs

The most compared CPUs against the Core i9-9920X and Core i5-8400T

The most compared CPUs against the Core i9-9920X and Core i5-8400T

CPUs Compared for Gaming

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