|
| 2.7 Out of 10 |  | |
| | ||
CPUBoss Review Our evaluation of the AMD A8 3870K among desktop CPUs (over 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 | |
| 2.7 | CPUBoss Score |
Combination of all six facets | |
Benchmarks Real world tests of the AMD A8 3870K
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
Reviews Word on the street for the AMD A8 3870K
 | ||
|---|---|---|
 | ||
 | ||
Overall | Out of 10 | |
Specifications Full list of technical specs
summary
| Clock speed | 3 GHz |
|---|---|
| Cores | Quad core |
| Socket type | FM1 |
| Is unlocked | Yes |
features
| Has a NX bit | Yes |
|---|---|
| Supports trusted computing | Yes |
| Has virtualization support | Yes |
| Instruction set extensions |
|
| Supports dynamic frequency scaling | Yes |
integrated graphics
| GPU | GPU |
|---|---|
| Label | Radeon™ HD 6550D |
| Latest DirectX | 11.0 |
| Number of displays supported | 2 |
| GPU clock speed | 600 MHz |
| Turbo clock speed | 600 MHz |
memory controller
| Memory controller | Built-in |
|---|---|
| Memory type |
|
| Channels | Dual Channel |
| Supports ECC | No |
| Maximum bandwidth | 29,866.66 MB/s |
| Maximum memory size | 32,768 MB |
details
| Architecture | x86-64 |
|---|---|
| Threads | 4 threads |
| L2 cache | 4 MB |
| L2 cache per core | 1 MB/core |
| Manufacture process | 32 nm |
| Transistor count | 1,178,000,000 |
| Max CPUs | 1 |
| Die size | 228 mm² |
| Clock multiplier | 30 |
| Voltage range | 0.45 - 1.41V |
| Operating temperature | Unknown - 72.7°C |
overclocking
| Overclock popularity | 32 |
|---|---|
| Overclock review score | 5 |
| Overclocked clock speed | 3.56 GHz |
| Overclocked clock speed (Water) | 3.67 GHz |
| PassMark (Overclocked) | 2,107.6 |
| Overclocked clock speed (Air) | 3.56 GHz |
power consumption
| TDP | 100W |
|---|---|
| Annual home energy cost | 40.03 $/year |
| Annual commercial energy cost | 138.41 $/year |
| Performance per watt | 1.03 pt/W |
| Idle power consumption | 47W |
| Peak power consumption | 158W |
bus
| Architecture | FSB |
|---|---|
| Number of links | 4 |
| Data rate | 3,200 MB/s |
| Transfer rate | 3,200 MT/s |
| Clock speed | 100 MHz |
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Competitors
 | AMD Athlon II X4 651
|
 | AMD A6 3670K
|
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