AMD A6 6400K 

Released June, 2013
  • 3.9 GHz
  • Dual core
  • Unlocked
7 Out of 10

CPUBoss Review Our evaluation of the AMD A6 6400K

Performance

Benchmark performance using all cores

A6 6400K
6.0
A8 6600K
6.7
3DMark06 (CPU), Passmark and GeekBench (32-bit)

Single-core Performance

Individual core benchmark performance

A6 6400K
7.7
A8 6600K
7.9
Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?

A6 6400K
9.8
A8 6600K
9.6
Unlocked, Maximum Overclocked Clock Speed (Air) and 1 more

Value

Are you paying a premium for performance?

A6 6400K
8.9
A8 6600K
7.6
Performance Per Dollar

7

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

A6 6400K
7.0
A8 6600K
7.4

Benchmarks Real world tests of the AMD A6 6400K

GeekBench (32-bit)

A6 6400K
4,094
Core i5 3470
9,226
FX 6300
7,447

GeekBench

A6 6400K
4,094
Core i5 3470
12,141
FX 6300
9,503

3D Mark 11 (Physics)

A6 6400K
3,710
Core i5 3470
6,100
FX 6300
6,080

3D Mark 06 (CPU)

A6 6400K
2,654
Core i5 3470
6,179
A8 6600K
4,701

Passmark

A6 6400K
2,313
Core i5 3470
6,607
FX 6300
6,444

Passmark (Single Core)

A6 6400K
1,367
Core i5 3470
1,906

Specifications Full list of technical specs

summary

Clock speed 3.9 GHz
Turbo clock speed 4.1 GHz
Cores Dual core
Is unlocked Yes
Is hyperthreaded No

features

Has a NX bit Yes
Has virtualization support Yes
Instruction set extensions
  1. ABM
  2. AES
  3. AMD-V
  4. AMD64
  5. AVX
  6. AVX 1.1
  7. BMI1
  8. CVT16
  9. F16C
  10. FMA3
  11. FMA4
  12. MMX
  13. SSE
  14. SSE2
  15. SSE3
  16. SSE4.1
  17. SSE4.2
  18. SSE4a
  19. Supplemental SSE3
  20. TBM
  21. XOP
Supports dynamic frequency scaling Yes

power consumption

TDP 65W
Annual home energy cost 15.66 $/year
Annual commercial energy cost 56.94 $/year
Performance per watt 6.46 pt/W
Typical power consumption 52.81W

details

Architecture x86-64
Threads 2 threads
L2 cache 1 MB
L2 cache per core 0.5 MB/core
Manufacture process 32 nm
Max CPUs 1
Operating temperature Unknown - 70°C

overclocking

Overclocked clock speed 4.78 GHz
Overclocked clock speed (Water) 5.01 GHz
Overclocked clock speed (Air) 4.78 GHz

integrated graphics

GPU GPU
Label Radeon™ HD 8470D
Latest DirectX 11.0
GPU clock speed 800 MHz

memory controller

Memory controller Built-in
Memory type DDR3-1866
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