|
| 2.9 Out of 10 |  | |
| | ||
CPUBoss Review Our evaluation of the AMD Phenom II X4 840 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 | |
| 2.9 | CPUBoss Score |
Combination of all six facets | |
Benchmarks Real world tests of the AMD Phenom II X4 840
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
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench (64-bit) Data courtesy Primate Labs
GeekBench
PassMark Data courtesy Passmark
PassMark (Single Core)
Reviews Word on the street for the AMD Phenom II X4 840
Specifications Full list of technical specs
summary
| Clock speed | 3.2 GHz |
|---|---|
| Turbo clock speed | 0 GHz |
| Cores | Quad core |
| Socket type | AM3 |
| Is unlocked | No |
features
| Has a NX bit | Yes |
|---|---|
| Has virtualization support | Yes |
| Instruction set extensions |
|
| Supports dynamic frequency scaling | Yes |
integrated graphics
| GPU | None |
|---|
bus
| Clock speed | 2,000 MHz |
|---|
details
| Architecture | x86-64 |
|---|---|
| Threads | 4 threads |
| L2 cache | 2 MB |
| L2 cache per core | 0.5 MB/core |
| L3 cache | 0 MB |
| L3 cache per core | 0 MB/core |
| Manufacture process | 45 nm |
| Max CPUs | 1 |
| Voltage range | 0.85 - 1.4V |
| Operating temperature | Unknown - 71°C |
overclocking
| Overclock popularity | 37 |
|---|---|
| Overclock review score | 5 |
| Overclocked clock speed | 3.94 GHz |
| Overclocked clock speed (Water) | 3.2 GHz |
| PassMark (Overclocked) | 1,971.6 |
| Overclocked clock speed (Air) | 3.94 GHz |
power consumption
| TDP | 95W |
|---|---|
| Annual home energy cost | 22.89 $/year |
| Annual commercial energy cost | 83.22 $/year |
| Performance per watt | 1.87 pt/W |
| Typical power consumption | 77.19W |
memory controller
| Memory controller | Built-in |
|---|---|
| Memory type | DDR3 |
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