Winner
AMD Phenom II X4 955
CPUBoss recommends the AMD Phenom II X4 955 based on its overclocking.
See full details AMD Phenom II X4 955 vs Athlon II X2 240 |
Released November, 2009
AMD Phenom II X4 955
- 3.2 GHz
- Quad core
- Unlocked
4.3 Out of 10
Reasons to buy the AMD Phenom II X4 955
 | Is unlocked Yes | | Significantly higher clock speed 3.2 GHz |
| | More cores 4 | | More threads 4 |
VS
Released July, 2009
AMD Athlon II X2 240
- 2.8 GHz
- Dual core
3.5 Out of 10
Reasons to buy the Athlon II X2 240
| | Much newer manufacturing process 32 nm | | Much lower typical power consumption 52.81W |
| | Much more l2 cache per core 1 MB/core | | Much higher Maximum operating temperature 74 °C |
CPUBoss Review Our evaluation of 955 vs 240 among desktop CPUs
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 | |
| 4.3 | CPUBoss Score |
Combination of all six facets | |
 | Winner |
Cast your vote Do you agree or disagree with CPUBoss?
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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 | |||
|---|---|---|---|---|---|---|---|
| Significantly higher clock speed | 3.2 GHz | vs | 2.8 GHz | Around 15% higher clock speed | |||
| More cores | 4 | vs | 2 | Twice as many cores; run more applications at once | |||
| More threads | 4 | vs | 2 | Twice as many threads | |||
| Much better overclocked clock speed (Air) | 3.99 GHz | vs | 3.67 GHz | Around 10% better overclocked clock speed (Air) | |||
| Much better overclocked clock speed (Water) | 4.14 GHz | vs | 2.8 GHz | Around 50% better overclocked clock speed (Water) | |||
| |||||||
| Much newer manufacturing process | 32 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Much lower typical power consumption | 52.81W | vs | 101.56W | Around 50% lower typical power consumption | |||
| Much more l2 cache per core | 1 MB/core | vs | 0.5 MB/core | 2x more l2 cache per core | |||
| Much higher Maximum operating temperature | 74 °C | vs | 62 °C | Around 20% higher Maximum operating temperature | |||
| Much lower annual home energy cost | 15.66 $/year | vs | 30.11 $/year | Around 50% lower annual home energy cost | |||
| Much lower annual commercial energy cost | 56.94 $/year | vs | 109.5 $/year | Around 50% lower annual commercial energy cost | |||
Report a correction
Benchmarks Real world tests of Phenom II X4 955 vs Athlon II X2 240
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)
Specifications Full list of technical specs
summary | Phenom II X4 955 | vs | Athlon II X2 240 |
|---|---|---|---|
| Clock speed | 3.2 GHz | 2.8 GHz | |
| Cores | Quad core | Dual core | |
| Socket type | |||
| AM3 | |||
| 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 | |||
| SSE3 | |||
| SSE | |||
| CLMUL | |||
| AMD64 | |||
| SSE4.1 | |||
| FMA4 | |||
| SSE4.2 | |||
| CVT16 | |||
| AMD-V | |||
| 3DNow! | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 125W | 65W | |
| Annual home energy cost | 30.11 $/year | 15.66 $/year | |
| Annual commercial energy cost | 109.5 $/year | 56.94 $/year | |
| Performance per watt | 1.28 pt/W | 1.67 pt/W | |
| Typical power consumption | 101.56W | 52.81W | |
bus | |||
| Clock speed | 2,000 MHz | 2,000 MHz | |
details | Phenom II X4 955 | vs | Athlon II X2 240 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 2 | |
| L2 cache | 2 MB | 2 MB | |
| L2 cache per core | 0.5 MB/core | 1 MB/core | |
| L3 cache | 6 MB | 1 MB | |
| L3 cache per core | 1.5 MB/core | 0.5 MB/core | |
| Manufacture process | 45 nm | 32 nm | |
| Max CPUs | 1 | 1 | |
| Operating temperature | Unknown - 62°C | Unknown - 74°C | |
overclocking | |||
| Overclock popularity | 259 | 23 | |
| Overclocked clock speed | 3.99 GHz | 3.67 GHz | |
| Overclocked clock speed (Water) | 4.14 GHz | 2.8 GHz | |
| PassMark (Overclocked) | 3,674.7 | 2,103.5 | |
| Overclocked clock speed (Air) | 3.99 GHz | 3.67 GHz | |
integrated graphics | |||
| GPU | None | None | |
| Label | N/A | N/A | |
| Latest DirectX | N/A | N/A | |
| Number of displays supported | N/A | N/A | |
| GPU clock speed | N/A | N/A | |
| Turbo clock speed | N/A | N/A | |
| 3DMark06 | N/A | N/A | |
 AMD Phenom II X4 955  Report a correction |  AMD Athlon II X2 240 Report a correction |
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