AMD Phenom II X4 955 (125W) vs AMD Athlon 64 FX-51
Comparative analysis of AMD Phenom II X4 955 (125W) and AMD Athlon 64 FX-51 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility. Benchmark processor performance analysis: 3DMark Fire Strike - Physics Score, PassMark - Single thread mark, PassMark - CPU mark.
Differences
Reasons to consider the AMD Phenom II X4 955 (125W)
- CPU is newer: launch date 5 year(s) 7 month(s) later
- 3 more cores, run more applications at once: 4 vs 1
- Around 45% higher clock speed: 3.2 GHz vs 2.2 GHz
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 130 nm
- 4x more L1 cache, more data can be stored in the L1 cache for quick access later
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
| Launch date | April 2009 vs September 2003 |
| Number of cores | 4 vs 1 |
| Maximum frequency | 3.2 GHz vs 2.2 GHz |
| Manufacturing process technology | 45 nm vs 130 nm |
| L1 cache | 128 KB (per core) vs 128 KB |
| L2 cache | 512 KB (per core) vs 1024 KB |
Reasons to consider the AMD Athlon 64 FX-51
- Around 40% lower typical power consumption: 89 Watt vs 125 Watt
| Thermal Design Power (TDP) | 89 Watt vs 125 Watt |
Compare benchmarks
CPU 1: AMD Phenom II X4 955 (125W)
CPU 2: AMD Athlon 64 FX-51
| Name | AMD Phenom II X4 955 (125W) | AMD Athlon 64 FX-51 |
|---|---|---|
| 3DMark Fire Strike - Physics Score | 0 | |
| PassMark - Single thread mark | 0 | |
| PassMark - CPU mark | 437 |
Compare specifications (specs)
| AMD Phenom II X4 955 (125W) | AMD Athlon 64 FX-51 | |
|---|---|---|
Essentials |
||
| Architecture codename | Deneb | SledgeHammer |
| Launch date | April 2009 | September 2003 |
| Place in performance rating | 3360 | 3343 |
| Vertical segment | Desktop | Desktop |
Performance |
||
| 64 bit support | ||
| Die size | 258 mm | 193 mm |
| L1 cache | 128 KB (per core) | 128 KB |
| L2 cache | 512 KB (per core) | 1024 KB |
| L3 cache | 6144 KB (shared) | |
| Manufacturing process technology | 45 nm | 130 nm |
| Maximum frequency | 3.2 GHz | 2.2 GHz |
| Number of cores | 4 | 1 |
| Transistor count | 758 million | 105 million |
Memory |
||
| Supported memory types | DDR3 | |
Compatibility |
||
| Max number of CPUs in a configuration | 1 | 1 |
| Sockets supported | AM3 | 940 |
| Thermal Design Power (TDP) | 125 Watt | 89 Watt |
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