Winner
AMD Phenom X4 9550
CPUBoss recommends the AMD Phenom X4 9550 based on its .
See full details AMD Phenom X4 9550 vs II X4 955 |
VS
Released November, 2009
AMD Phenom II X4 955
- 3.2 GHz
- Quad core
- Unlocked
2.7 Out of 10
Reasons to buy the II X4 955
 | Is unlocked Yes |
CPUBoss Review Our evaluation of 9550 vs 955 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 | |
 |
Cast your vote Do you agree or disagree with CPUBoss?
VS
Differences What are the advantages of each
| |||||||
| CPUBoss is not aware of any important advantages of the Phenom X4 9550 vs the Phenom II X4 955. | |||||||
| |||||||
| Is unlocked | Yes | vs | No | Somewhat common; An unlocked multiplier allows for easier overclocking | |||
|---|---|---|---|---|---|---|---|
Report a correction
Benchmarks Real world tests of Phenom X4 9550 vs II X4 955
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
Specifications Full list of technical specs
summary | Phenom X4 9550 | vs | II X4 955 |
|---|---|---|---|
| Clock speed | 2.2 GHz | 3.2 GHz | |
| Cores | Quad core | Quad core | |
| Socket type | |||
| AM2+ | |||
| AM3 | |||
| Is unlocked | No | Yes | |
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE4a | |||
| SSE2 | |||
| MMX | |||
| SSE3 | |||
| SSE | |||
| 3DNow! | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 95W | 125W | |
| Annual home energy cost | 22.89 $/year | 30.11 $/year | |
| Annual commercial energy cost | 83.22 $/year | 109.5 $/year | |
| Performance per watt | 1.11 pt/W | 1.28 pt/W | |
| Typical power consumption | 77.19W | 101.56W | |
bus | |||
| Clock speed | 1,800 MHz | 2,000 MHz | |
details | Phenom X4 9550 | vs | II X4 955 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 4 | |
| L2 cache | 2 MB | 2 MB | |
| L2 cache per core | 0.5 MB/core | 0.5 MB/core | |
| L3 cache | 2 MB | 6 MB | |
| L3 cache per core | 0.5 MB/core | 1.5 MB/core | |
| Manufacture process | 65 nm | 45 nm | |
| Max CPUs | 1 | 1 | |
| Operating temperature | Unknown - 70°C | Unknown - 62°C | |
overclocking | |||
| Overclocked clock speed | 2.77 GHz | 3.99 GHz | |
| Overclocked clock speed (Water) | 3.05 GHz | 4.14 GHz | |
| PassMark (Overclocked) | 1,938.4 | 3,674.7 | |
| Overclocked clock speed (Air) | 2.77 GHz | 3.99 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 X4 9550  Report a correction |  AMD Phenom II X4 955 Report a correction |
Follow us
Compare
Related Comparisons
 | VS |  |
| $95 | ||
| Intel Core2 Quad Q6600 vs AMD Phenom II X4 955 | ||
 | VS | |
| $100 | $95 | |
| AMD FX 6300 vs Phenom II X4 955 | ||
 | VS | |
| $125 | $95 | |
| Intel Core i3 3220 vs AMD Phenom II X4 955 | ||
 | VS | |
| $287 | $95 | |
| Intel Core2 Quad Q9550 vs AMD Phenom II X4 955 | ||
 | VS | |
| $95 | ||
| AMD Athlon II X4 640 vs Phenom II X4 955 | ||
 | VS | |
| $104 | $95 | |
| AMD Phenom II X6 1055T vs X4 955 | ||
 | VS | |
| $80 | $95 | |
| AMD FX 4300 vs Phenom II X4 955 | ||
Popular Comparisons
 | VS |  |
| $300 | $305 | |
| Intel Core i5 2500 vs Xeon W3520 | ||
 | VS |  |
| $281 | ||
| AMD A9 7th Gen A9-9410 vs Intel Core i5 6200U | ||
 | VS |  |
| $350 | $272 | |
| Intel Core i7 6700K vs 4790K | ||
 | VS |  |
| $281 | ||
| AMD A8 6410 vs Intel Core i5 4200U | ||
 | VS |  |
| $281 | ||
| AMD A8 7410 vs Intel Core i5 5200U | ||
 | VS |  |
| $180 | ||
| AMD A6 5200 vs Intel Core i5 3470 | ||
 | VS |  |
| $161 | $275 | |
| Intel Pentium N3540 vs Core i3 4005U | ||
