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FPS Winner
vs

The Core i5-8400 is a clear winner – it's at least 2x faster gaming CPU than the Core i5-660 and it's also a much better value for money, as it's $62.81 cheaper!

Advantages of the Core i5-8400

  • At least 2x faster CPU for gaming
  • Up to 42% cheaper$87.13 vs $149.94
  • A much better value for money for gaming
  • Consumes up to 11% less energy65 vs 73 Watts
  • Can execute more multi-threaded tasks simultaneously – 6 vs 4 threads

Advantages of the Core i5-660

The Core i5-8400 is better in every way

Core i5-8400 vs Core i5-660

The CPU's performance in selected game and settings

Core i5-8400 vs Core i5-660 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 i5-8400 vs Core i5-660 in synthetic CPU benchmarks

Intel Core i5-8400 Logo

Core i5-8400

Oct 5th, 2017


Geekbench 6 Single-Core

1385

100%

Geekbench 6 Multi-Core

4971

100%

Intel Core i5-660 Logo

Core i5-660

Jan 7th, 2010


Geekbench 6 Single-Core

499

36%

Geekbench 6 Multi-Core

1004

20%

Performance Specifications

The Core i5-8400 vs Core i5-660 in core CPU performance specifications

Intel Core i5-8400 Logo

Core i5-8400

Oct 5th, 2017


Cores

6-core

100%

L3 Cache

9 MB

100%


Base Frequency

2.8 GHz

84%

Turbo Frequency

4 GHz

100%

Max. DDR4 RAM Speed

2666 MHz

100%

Intel Core i5-660 Logo

Core i5-660

Jan 7th, 2010


Cores

2-core

33%

L3 Cache

4 MB

44%


Base Frequency

3.333 GHz

100%

Turbo Frequency

3.6 GHz

90%

Max. DDR3 RAM Speed

1333 MHz

50%

Specifications

Comparison of all specifications

Intel Core i5-8400 Logo

Core i5-8400

Specifications

Comparison of all specifications

Intel Core i5-660 Logo

Core i5-660

General
Oct 5th, 2017
Release DateJan 7th, 2010
$182.00
MSRP$196.00
Desktop
Segment
Desktop
Intel Socket 1151SocketIntel Socket 1156
Coffee LakeCodenameClarkdale
65 W
Power Consumption73 W
Performance
6
Cores2
6
Threads4
2.8 GHzBase Frequency
3.3 GHz
4.0 GHz
Turbo Frequency3.6 GHz
9 MB
L3 Cache4 MB
Other Features
DDR4 @ 2666 MHzRAMDDR3 @ 1333 MHz
UHD Graphics 630Integrated GraphicsIntel HD
NoOverclockableNo

Core i5-8400 and Core i5-660 vs Other CPUs

The most compared CPUs against the Core i5-8400 and Core i5-660

The most compared CPUs against the Core i5-8400 and Core i5-660

CPUs Compared for Gaming

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Found  CPUs

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