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FPS Winner

The Core i7-3930K is the comparison's loser – it's a much slower gaming CPU than the Core i5-6400 and it's also a much worse value for money, as it's CA$359.32 more expensive!

Advantages of the Core i7-3930K

  • Can execute more multi-threaded tasks simultaneously – 12 vs 4 threads

Advantages of the Core i5-6400

  • At least 2x faster CPU for gaming
  • Up to 72% cheaperCA$140.63 vs CA$499.95
  • A much better value for money for gaming
  • Consumes up to 50% less energy65 vs 130 Watts
  • Has an integrated GPU, while the Core i7-3930K cannot run games without a dedicated GPU

Core i7-3930K vs Core i5-6400 for Gaming

The CPU's performance in selected game and settings

Core i7-3930K vs Core i5-6400 in My Games

The FPS you'll get in saved games

The FPS you'll get in saved games

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Synthetic Benchmarks

The Core i7-3930K vs Core i5-6400 in synthetic CPU benchmarks

Intel Core i7-3930K Logo

Core i7-3930K

Nov 14th, 2011


Geekbench 6 Single-Core

612

54%

Geekbench 6 Multi-Core

2973

97%

Intel Core i5-6400 Logo

Core i5-6400

Jul 2nd, 2015


Geekbench 6 Single-Core

1124

100%

Geekbench 6 Multi-Core

3067

100%

Performance Specifications

The Core i7-3930K vs Core i5-6400 in core CPU performance specifications

Intel Core i7-3930K Logo

Core i7-3930K

Nov 14th, 2011


Cores

6-core

100%

L3 Cache

12 MB

100%


Base Frequency

3.2 GHz

100%

Turbo Frequency

3.8 GHz

100%

Max. DDR3 RAM Speed

1600 MHz

75%

Intel Core i5-6400 Logo

Core i5-6400

Jul 2nd, 2015


Cores

4-core

67%

L3 Cache

6 MB

50%


Base Frequency

2.7 GHz

84%

Turbo Frequency

3.3 GHz

87%

Max. DDR4 RAM Speed

2133 MHz

100%

Specifications

Comparison of all specifications

Intel Core i7-3930K Logo

Core i7-3930K

Specifications

Comparison of all specifications

Intel Core i5-6400 Logo

Core i5-6400

General
Nov 14th, 2011Release Date
Jul 2nd, 2015
$583.00MSRP
$182.00
Desktop
Segment
Desktop
Intel Socket 2011SocketIntel Socket 1151
Sandy Bridge ECodenameSkylake
130 WPower Consumption
65 W
Performance
6
Cores4
12
Threads4
3.2 GHz
Base Frequency2.7 GHz
3.8 GHz
Turbo Frequency3.3 GHz
12 MB
L3 Cache6 MB
Other Features
DDR3 @ 1600 MHzRAMDDR4 @ 2133 MHz
NoIntegrated Graphics
HD Graphics 530
Yes
OverclockableNo

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