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AMD A6 6400K
CPUBoss recommends the AMD A6 6400K based on its overclocking.
See full details Intel Core i3 3220 vs AMD A6 6400K |
Released September, 2012
Intel Core i3 3220
- 3.3 GHz
- Dual core
5.3 Out of 10
Reasons to buy the Intel Core i3 3220
 | Much more l3 cache 3 MB | | More threads 4 |
| | Much newer manufacturing process 22 nm | | Lower typical power consumption 44.69W |
VS
Released June, 2013
AMD A6 6400K
- 3.9 GHz
- Dual core
- Unlocked
6.4 Out of 10
Reasons to buy the AMD A6 6400K
| | Much more l2 cache 1 MB | | Is unlocked Yes |
| | Much higher clock speed 3.9 GHz | | Much better overclocked clock speed (Air) 4.76 GHz |
CPUBoss Review Our evaluation of 3220 vs 6400K among desktop CPUs (45 to 75W)
Performance | |
Benchmark performance using all cores | |
| PCMark 8 Home 3.0 Accelerated, PassMark and 1 more | |
Single-core Performance | |
Individual core benchmark performance | |
| PassMark (Single Core), Geekbench 3 Single Core and 1 more | |
Integrated Graphics | |
Integrated GPU performance for graphics | |
| Fire Strike | |
Integrated Graphics (OpenCL) | |
Integrated GPU performance for parallel computing | |
| CompuBench 1.5 Bitcoin mining and 4 more | |
Performance per Watt | |
How efficiently does the processor use electricity? | |
| Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more | |
Value | |
Are you paying a premium for performance? | |
| Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more | |
| 6.4 | CPUBoss Score |
Combination of all six facets | |
 |
Cast your vote Do you agree or disagree with CPUBoss?
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Differences What are the advantages of each
| |||||||
| Much more l3 cache | 3 MB | vs | None | Compared to all cpus, 3 MB l3 cache is just OK | |||
|---|---|---|---|---|---|---|---|
| More threads | 4 | vs | 2 | Twice as many threads | |||
| Much newer manufacturing process | 22 nm | vs | 32 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Lower typical power consumption | 44.69W | vs | 52.81W | More than 15% lower typical power consumption | |||
| Lower annual home energy cost | 13.25 $/year | vs | 15.66 $/year | More than 15% lower annual home energy cost | |||
| Lower annual commercial energy cost | 48.18 $/year | vs | 56.94 $/year | More than 15% lower annual commercial energy cost | |||
| |||||||
| Much more l2 cache | 1 MB | vs | 0.5 MB | 2x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Is unlocked | Yes | vs | No | Somewhat common; An unlocked multiplier allows for easier overclocking | |||
| Much higher clock speed | 3.9 GHz | vs | 3.3 GHz | Around 20% higher clock speed | |||
| Much better overclocked clock speed (Air) | 4.76 GHz | vs | 3.43 GHz | Around 40% better overclocked clock speed (Air) | |||
| Much more l2 cache per core | 0.5 MB/core | vs | 0.25 MB/core | 2x more l2 cache per core | |||
| Significantly higher Maximum operating temperature | 70 °C | vs | 65.3 °C | More than 5% higher Maximum operating temperature | |||
| Much better overclocked clock speed (Water) | 5.16 GHz | vs | 3.46 GHz | Around 50% better overclocked clock speed (Water) | |||
| Newer | Jun, 2013 | vs | Sep, 2012 | Release date 9 months later | |||
Report a correction
Benchmarks Real world tests of Core i3 3220 vs A6 6400K
CompuBench 1.5 (Bitcoin mining) 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
PassMark Data courtesy Passmark
Specifications Full list of technical specs
summary | Core i3 3220 | vs | A6 6400K |
|---|---|---|---|
| Clock speed | 3.3 GHz | 3.9 GHz | |
| Cores | Dual core | Dual core | |
| Is unlocked | No | Yes | |
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE4a | |||
| AVX 1.1 | |||
| SSE2 | |||
| F16C | |||
| MMX | |||
| SSE4 | |||
| 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 | 55W | 65W | |
| Annual home energy cost | 13.25 $/year | 15.66 $/year | |
| Annual commercial energy cost | 48.18 $/year | 56.94 $/year | |
| Performance per watt | 2.69 pt/W | 7.25 pt/W | |
| Typical power consumption | 44.69W | 52.81W | |
details | Core i3 3220 | vs | A6 6400K |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 2 | |
| L2 cache | 0.5 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.5 MB/core | |
| L3 cache | 3 MB | None | |
| Manufacture process | 22 nm | 32 nm | |
| Max CPUs | 1 | 1 | |
| Operating temperature | Unknown - 65.3°C | Unknown - 70°C | |
overclocking | |||
| Overclocked clock speed | 3.43 GHz | 4.76 GHz | |
| Overclocked clock speed (Water) | 3.46 GHz | 5.16 GHz | |
| Overclocked clock speed (Air) | 3.43 GHz | 4.76 GHz | |
integrated graphics | |||
| GPU | GPU | GPU | |
| Label | Intel® HD Graphics 2500 | Radeon™ HD 8470D | |
| GPU clock speed | 650 MHz | 800 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1866 | |||
| DDR3-1600 | |||
| DDR3-1333 | |||
| DDR3 | |||
 Intel Core i3 3220  Report a correction |  AMD A6 6400K Report a correction |
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