Intel Core i5-6400: specs and benchmarks

Intel Core i5-6400

Summary

Intel started Core i5-6400 sales on July 2015 at a recommended price of $185. 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 3.30 GHz and a locked multiplier.

Compatibility-wise, this is a 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 21.08 percent of a leader's which is AMD Ryzen 9 3900X.

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)
10.32
 
Type
Desktop
 
Achitecture codename
Skylake
 
Release date
July 2015
 
Launch price (MSRP)
$185
 
of 8685 (Xeon E5-4650L)
Price now
$193
 
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
 
of 5
L1 cache
64 KB (per core)
 
of 768
L2 cache
256 KB (per core)
 
of 16384
L3 cache
6144 KB (shared)
 
of 65536
Manufacturing process technology
14 nm
 
of 7
Die size
177 mm2
 
Maximum core temperature
71 °C
 
of 110 (Atom x7-E3950)
Maximum case temperature (TCase)
72 °C
 
of 105
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
 
of 8
Socket
FCLGA1151
 
Power consumption (TDP)
65 Watt
 
of 1055 (Core i9-10900KF)

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.
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
 
Maximum memory size
64 GB
 
Max memory channels
2
 
Maximum memory bandwidth
34.1 GB / s
 

Graphics specifications

General parameters of GPU integrated into Core i5-6400.
Graphics max frequency
950 MHz
 
Max video memory
64 GB
 
Quick Sync
+
 
Clear Video
+
 
Clear Video HD
+
 
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
 

Benchmark performance

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

Overall benchmark performance

21.08

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

6766

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 Ryzen 3 1200, which is nearly equal in speed and lower by 6 positions in our 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.