Athlon 64 FX-55 vs A4-4000
Primary details
Comparing A4-4000 and Athlon 64 FX-55 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2682 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.05 | no data |
| Architecture codename | Richland (2013−2014) | Clawhammer (2001−2005) |
| Release date | 1 June 2013 (11 years ago) | 10 October 2004 (20 years ago) |
| Launch price (MSRP) | no data | $180 |
Detailed specifications
A4-4000 and Athlon 64 FX-55 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 2 (Dual-core) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Base clock speed | 3 GHz | 2.6 GHz |
| Boost clock speed | 3.2 GHz | 2.6 GHz |
| L1 cache | 128 KB (per core) | 128 KB |
| L2 cache | 1 MB (per core) | 1 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 32 nm | 130 nm |
| Die size | 246 mm2 | 193 mm2 |
| Maximum case temperature (TCase) | 70 °C | 63 °C |
| Number of transistors | 1,178 million | 105 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on A4-4000 and Athlon 64 FX-55 compatibility with other computer components: 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 | 1 |
| Socket | FM2 | 939 |
| Power consumption (TDP) | 65 Watt | 104 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by A4-4000 and Athlon 64 FX-55 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-4000 and Athlon 64 FX-55. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1 Depends on motherboard |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 7480D | On certain motherboards (Chipset feature) |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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.
Pros & cons summary
| Recency | 1 June 2013 | 10 October 2004 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 32 nm | 130 nm |
| Power consumption (TDP) | 65 Watt | 104 Watt |
A4-4000 has an age advantage of 8 years, 100% more physical cores and 100% more threads, a 306.3% more advanced lithography process, and 60% lower power consumption.
We couldn't decide between A4-4000 and Athlon 64 FX-55. We've got no test results to judge.
Should you still have questions on choice between A4-4000 and Athlon 64 FX-55, ask them in Comments section, and we shall answer.
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