Intel Core i5-6400: specs and benchmarks

Intel Core i5-6400

Summary

Intel started Intel Core i5-6400 sales 5 August 2015 at a recommended price of $187. This is Skylake architecture desktop processor primarily aimed at office systems. It has 4 cores and 4 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 3300 MHz and a locked multiplier.

Compatibility-wise, this is FCLGA1151 processor with a TDP of 65 Watt and a maximum temperature of 72 °C. It supports DDR4-1866, DDR4-2133, DDR3L-1333, DDR3L-1600 memory.

It provides poor benchmark performance at 6.92 percent of a leader's which is AMD Ryzen Threadripper 3990X.

General info

Of Core i5-6400 processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
 
Value for money (0-100)
10.37
 
Type
Desktop
 
Series
Intel Core i5
 
Architecture codename
Skylake
 
Release date
5 August 2015
 
Launch price (MSRP)
$187
 
Price now
$199
 
of 8685 (Xeon E5-4650L)

Technical specs

Core i5-6400's quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Core i5-6400's performance, but to be more precise you have to review its test results.
Number of cores
4
 
Number of threads
4
 
Maximum frequency
3.3 GHz
 
L1 cache
256 KB
 
of 896 (Atom C3950)
L2 cache
1 MB
 
of 8 (FX-8350)
L3 cache
6 MB
 
Manufacturing process technology
14 nm
 
Die size
177 mm2
 
Maximum core temperature
71 °C
 
of 110 (Atom x7-E3950)
Maximum case temperature (TCase)
72 °C
 
of 105 (Core i7-5557U)
64 bit support
+
 

Compatibility

Information on Core i5-6400 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
1
 
Socket
FCLGA1151
 
Power consumption (TDP)
65 Watt
 
of 650 (Atom Z500)

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6400. You'll probably need this information if you require some particular technology.
Instruction set extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
 
AES-NI
+
 
AVX
+
 
vPro
+
 
Enhanced SpeedStep (EIST)
+
 
Turbo Boost
2.0
 
Hyper-Threading
-
 
Idle States
+
 
Thermal Monitoring
+
 

Security technologies

Core i5-6400 technologies aimed at raising security, for example, by protecting against hacks.
TXT
-
 
EDB
+
 
Secure Key
+
 
MPX
+
 
Identity Protection
+
 
SGX
Yes with Intel® ME
 
OS Guard
+
 

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-6400 are enumerated here.
AMD-V
+
 
VT-d
+
 
VT-x
+
 
EPT
+
 

Memory specs

Types, maximum amount and channel number of RAM supported by Core i5-6400.
Supported memory types
DDR4-1866, DDR4-2133, DDR3L-1333, DDR3L-1600
 
of 2933 (Ryzen 5 2500X)
Maximum memory size
64 GB
 
Max memory channels
2
 
Maximum memory bandwidth
34.1 GB / s
 
of 262.26 (Xeon Platinum 9221)

Graphics specifications

General parameters of GPU integrated into Core i5-6400.
Integrated graphics
Intel HD Graphics 530 (350 - 950 MHz)
 
Max video memory
64 GB
 
Quick Sync
+
 
Clear Video
+
 
Clear Video HD
+
 
Graphics max frequency
950 MHz
 
InTru 3D
+
 

Graphics interfaces

Available interfaces and connections of Core i5-6400's integrated GPU.
Number of displays supported
3
 
eDP
+
 
DisplayPort
+
 
HDMI
+
 
DVI
+
 

Graphics image quality

Maximum display resolutions supported by Core i5-6400's integrated GPU, including resolutions over different interfaces.
4K resolution support
+
 
Max resolution over HDMI 1.4
4096x2304@24Hz
 
Max resolution over eDP
4096x2304@60Hz
 
Max resolution over DisplayPort
4096x2304@60Hz
 
Max resolution over VGA
N / A
 

Graphics API support

APIs supported by Core i5-6400's integrated GPU, sometimes API versions are included.
DirectX
12
 
OpenGL
4.5
 

Peripherals

Specifications and connection of Core i5-6400's supported peripherals.
PCIe revision
3.0
 
Max number of PCIe lanes
16
 
of 128 (EPYC 7551P)

Benchmark performance

Non-gaming benchmarks performance of Core i5-6400. Overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

6.92

Cinebench 10 32-bit single-core

5088

Cinebench 10 32-bit multi-core

18297

Cinebench 11.5 64-bit single-core

1.51

Cinebench 11.5 64-bit multi-core

5.9

Cinebench 15 64-bit single-core

134

Cinebench 15 64-bit multi-core

510

x264 encoding pass 1

150

x264 encoding pass 2

34

TrueCrypt AES

2.7

Passmark

5417

3DMark Fire Strike Physics

5420

Mining hashrates

Cryptocurrency mining performance of Core i5-6400. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
37 Mh/s
 
 

Game benchmarks

Let's see how good Core i5-6400 is for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.

Relative perfomance

Overall Core i5-6400 performance compared to nearest competitors. All CPU types participate.

AMD equivalent

We believe that the nearest equivalent to Core i5-6400 from AMD is A4-5300, which is faster by 1% and higher by 12 positions in our rating.

User rating

Here you can see the rating of the processor by users, as well as give your rating.

Advices and comments

Here you can ask a question about Core i5-6400, agree or disagree with our judgements, or report an error or mismatch.