AMD A6 6400B 

Released June, 2013
  • 3.9 GHz
  • Dual core

Benchmarks Real world tests of the AMD A6 6400B

3D Mark 06 (CPU)

A6 6400B
2,654
A6 6400K
2,654

PassMark Data courtesy Passmark

A6 6400B
2,160
A6 6400K
2,284

PassMark (Single Core)

A6 6400B
1,384
A6 6400K
1,367

Specifications Full list of technical specs

summary

Clock speed 3.9 GHz
Turbo clock speed 4.1 GHz
Cores Dual core
Is unlocked 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 2.27 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
L3 cache None
Manufacture process 32 nm
Max CPUs 1
Operating temperature Unknown - 74°C

overclocking

Overclocked clock speed 3.9 GHz
Overclocked clock speed (Water) 3.9 GHz
Overclocked clock speed (Air) 3.9 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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