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| AMD A6 6400K vs A4 6300 |
Released June, 2013
AMD A6 6400K
- 3.9 GHz
- Dual core
- Unlocked
Reasons to buy the AMD A6 6400K
![]() | Is unlocked Yes | ![]() | Higher clock speed 3.9 GHz |
![]() | Much better overclocked clock speed (Air) 4.76 GHz | ![]() | Much better overclocked clock speed (Water) 5.16 GHz |
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Differences What are the advantages of each
| |||||||
Is unlocked | Yes | vs | No | Somewhat common; An unlocked multiplier allows for easier overclocking | |||
---|---|---|---|---|---|---|---|
Higher clock speed | 3.9 GHz | vs | 3.7 GHz | More than 5% higher clock speed | |||
Much better overclocked clock speed (Air) | 4.76 GHz | vs | 4.43 GHz | More than 5% better overclocked clock speed (Air) | |||
Much better overclocked clock speed (Water) | 5.16 GHz | vs | 3.7 GHz | Around 40% better overclocked clock speed (Water) | |||
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CPUBoss is not aware of any important advantages of the A4 6300 vs the A6 6400K. | |||||||
Benchmarks Real world tests of A6 6400K vs A4 6300
CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench
CompuBench 1.5 (T-Rex) Data courtesy CompuBench
PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark
Sky Diver Data courtesy FutureMark
Cloud Gate Data courtesy FutureMark
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
Specifications Full list of technical specs
summary | A6 6400K | vs | A4 6300 |
---|---|---|---|
Clock speed | 3.9 GHz | 3.7 GHz | |
Turbo clock speed | 4.1 GHz | 3.9 GHz | |
Cores | Dual core | Dual core | |
Is unlocked | Yes | No | |
features | |||
Has a NX bit | Yes | Yes | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE4a | |||
AVX 1.1 | |||
SSE2 | |||
F16C | |||
MMX | |||
XOP | |||
AVX | |||
SSE3 | |||
SSE | |||
BMI1 | |||
AMD64 | |||
SSE4.1 | |||
FMA4 | |||
FMA3 | |||
SSE4.2 | |||
ABM | |||
CVT16 | |||
AMD-V | |||
Supplemental SSE3 | |||
AES | |||
TBM | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 65W | 65W | |
Annual home energy cost | 15.66 $/year | 15.66 $/year | |
Annual commercial energy cost | 56.94 $/year | 56.94 $/year | |
Performance per watt | 7.25 pt/W | 6.46 pt/W | |
Typical power consumption | 52.81W | 52.81W |
details | A6 6400K | vs | A4 6300 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 2 | 2 | |
L2 cache | 1 MB | 1 MB | |
L2 cache per core | 0.5 MB/core | 0.5 MB/core | |
L3 cache | None | None | |
Manufacture process | 32 nm | 32 nm | |
Max CPUs | 1 | 1 | |
Operating temperature | Unknown - 70°C | Unknown - 70°C | |
overclocking | |||
Overclocked clock speed | 4.76 GHz | 4.43 GHz | |
Overclocked clock speed (Water) | 5.16 GHz | 3.7 GHz | |
Overclocked clock speed (Air) | 4.76 GHz | 4.43 GHz | |
integrated graphics | |||
GPU | GPU | GPU | |
Label | Radeon™ HD 8470D | Radeon™ HD 8370D | |
Latest DirectX | 11.0 | 11.0 | |
GPU clock speed | 800 MHz | 760 MHz | |
memory controller | |||
Memory controller | Built-in | Built-in | |
Memory type | |||
DDR3-1866 | |||
DDR3-1600 |
AMD A6 6400K ![]() | AMD A4 6300 ![]() |
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