Header Background
Header Background
Background
Background
Background
Bachground
vs
FPS Winner

The Core i7-3960X 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 $190.66 more expensive!

Advantages of the Core i7-3960X

  • 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 79% cheaper$51.06 vs $241.72
  • A much better value for money for gaming
  • Consumes up to 50% less energy65 vs 130 Watts
  • Has an integrated GPU, while the Core i7-3960X cannot run games without a dedicated GPU

Core i7-3960X vs Core i5-6400 for Gaming

The CPU's performance in selected game and settings

Core i7-3960X vs Core i5-6400 in My Games

The FPS you'll get in saved games

The FPS you'll get in saved games

Select Game

Add a Game

Select Settings

Synthetic Benchmarks

The Core i7-3960X vs Core i5-6400 in synthetic CPU benchmarks

Intel Core i7-3960X Logo

Core i7-3960X

Nov 14th, 2011


Geekbench 6 Single-Core

664

59%

Geekbench 6 Multi-Core

3224

100%

Intel Core i5-6400 Logo

Core i5-6400

Jul 2nd, 2015


Geekbench 6 Single-Core

1124

100%

Geekbench 6 Multi-Core

3067

95%

Performance Specifications

The Core i7-3960X vs Core i5-6400 in core CPU performance specifications

Intel Core i7-3960X Logo

Core i7-3960X

Nov 14th, 2011


Cores

6-core

100%

L3 Cache

15 MB

100%


Base Frequency

3.3 GHz

100%

Turbo Frequency

3.9 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

40%


Base Frequency

2.7 GHz

82%

Turbo Frequency

3.3 GHz

85%

Max. DDR4 RAM Speed

2133 MHz

100%

Specifications

Comparison of all specifications

Intel Core i7-3960X Logo

Core i7-3960X

Specifications

Comparison of all specifications

Intel Core i5-6400 Logo

Core i5-6400

General
Nov 14th, 2011Release Date
Jul 2nd, 2015
$990.00MSRP
$182.00
Desktop
Segment
Desktop
Intel Socket 2011SocketIntel Socket 1151
Sandy Bridge ECodenameSkylake
130 WPower Consumption
65 W
Performance
6
Cores4
12
Threads4
3.3 GHz
Base Frequency2.7 GHz
3.9 GHz
Turbo Frequency3.3 GHz
15 MB
L3 Cache6 MB
Other Features
DDR3 @ 1600 MHzRAMDDR4 @ 2133 MHz
NoIntegrated Graphics
HD Graphics 530
Yes
OverclockableNo

CPUs / Processors

Search and filter for CPUs. Click on a CPU to view stock, specifications, and calculate the game's FPS performance. Compare CPUs in games.

CPUs Compared for Gaming

Comparison Background

Add a CPU

vs

Add a CPU

Found  CPUs

Popularity
Processor
Price, $
Performance
Value

Copyright © 2025 HowManyFPS. All rights reserved.

Have a suggestion or a business inquiry? [email protected]

Cookies Policy

As an Amazon Associate HowManyFPS earns from qualifying purchases.