Ryzen 5 PRO 4650U vs Athlon 64 FX-51
Aggregate performance score
Ryzen 5 PRO 4650U outperforms Athlon 64 FX-51 by a whopping 2644% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3400 | 1168 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Renoir (Ryzen 4000 APU) |
| Power efficiency | 0.12 | 19.46 |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | SledgeHammer (2003−2005) | Renoir-U PRO (Zen 2) (2020) |
| Release date | September 2003 (22 years ago) | 7 May 2020 (5 years ago) |
Detailed specifications
Athlon 64 FX-51 and Ryzen 5 PRO 4650U 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 | 1 (Single-Core) | 6 (Hexa-Core) |
| Threads | 1 | 12 |
| Base clock speed | no data | 2.1 GHz |
| Boost clock speed | 2.2 GHz | 4 GHz |
| Bus type | no data | PCIe 3.0 |
| Multiplier | no data | 21 |
| L1 cache | 128 KB | 384 KB |
| L2 cache | 1 MB | 3 MB |
| L3 cache | 0 KB | 8 MB (shared) |
| Chip lithography | 130 nm | 7 nm |
| Die size | 193 mm2 | 156 mm2 |
| Maximum core temperature | no data | 105 °C |
| Number of transistors | 105 million | 9800 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Athlon 64 FX-51 and Ryzen 5 PRO 4650U 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 | 940 | FP6 |
| Power consumption (TDP) | 89 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 FX-51 and Ryzen 5 PRO 4650U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | PRO, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon 64 FX-51 and Ryzen 5 PRO 4650U are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 FX-51 and Ryzen 5 PRO 4650U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | no data | 68.27 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon RX Vega 6 (Ryzen 4000/5000) ( - 1500 MHz) |
Peripherals
Specifications and connection of peripherals supported by Athlon 64 FX-51 and Ryzen 5 PRO 4650U.
| PCIe version | no data | 3.0 |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 0.25 | 6.86 |
| Physical cores | 1 | 6 |
| Threads | 1 | 12 |
| Chip lithography | 130 nm | 7 nm |
| Power consumption (TDP) | 89 Watt | 15 Watt |
Ryzen 5 PRO 4650U has a 2644% higher aggregate performance score, 500% more physical cores and 1100% more threads, a 1757.1% more advanced lithography process, and 493.3% lower power consumption.
The AMD Ryzen 5 PRO 4650U is our recommended choice as it beats the AMD Athlon 64 FX-51 in performance tests.
Note that Athlon 64 FX-51 is a desktop processor while Ryzen 5 PRO 4650U is a notebook one.
Other comparisons
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