Athlon 64 FX-51: specs and benchmarks
Aggregate performance score
Athlon 64 FX-51 provides poor benchmark performance at 0.28% of a leader's which is a 96-core EPYC 9655P.
Summary
AMD started Athlon 64 FX-51 sales on September 2003. This is a SledgeHammer architecture desktop processor primarily aimed at office systems. It has 1 core and 1 thread, and is based on 130 nm manufacturing technology, with a maximum frequency of 2200 MHz and a locked multiplier.
Compatibility-wise, this is AMD Socket 940 processor with a TDP of 89 Watt.
Primary details
Athlon 64 FX-51 processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | 3120 | |
| Place by popularity | not in top-100 | |
| Market segment | Desktop processor | |
| Power efficiency | 0.30 | of 100.00 (Core Ultra 7 164U) |
| Architecture codename | SledgeHammer (2003−2005) | |
| Release date | September 2003 (21 year ago) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 1 (Single-Core) | |
| Threads | 1 | |
| Boost clock speed | 2.2 GHz | of 6.2 GHz (Core i9-14900KS) |
| L1 cache | 128 KB | of 80 KB (EPYC 9965) |
| L2 cache | 1 MB | of 2 MB (Xeon 6980P) |
| L3 cache | 0 KB | of 1152 MB (EPYC 9684X) |
| Chip lithography | 130 nm | of 3 nm (Apple M3 Max 16-Core) |
| Die size | 193 mm2 | |
| Number of transistors | 105 million | of 135,240 million (EPYC 9684X) |
| 64 bit support | + | |
| Windows 11 compatibility | - |
Compatibility
Information on Athlon 64 FX-51 compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | of 8 (Opteron 842) |
| Socket | 940 | |
| Power consumption (TDP) | 89 Watt | of 3100 ‑ 4500 (Ryzen 7 7435H) |
Benchmark performance
Single-core and multi-core benchmark results of Athlon 64 FX-51. Overall benchmark performance is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Send your test results of Athlon 64 FX-51.
Intel equivalent
According to our data, the closest Intel alternative to Athlon 64 FX-51 is Celeron 450, which is slower by 4% and lower by 4 positions in our ranking.
Here are some closest Intel rivals to Athlon 64 FX-51:
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for Athlon 64 FX-51, according to our PC configuration statistics.
These are the fastest graphics cards for Athlon 64 FX-51 in our user configuration statistics. There is a total of 5 configurations using Athlon 64 FX-51 in our database.
