Athlon II X4 651K vs Ryzen 5 PRO 6650U
Primary details
Comparing Ryzen 5 PRO 6650U and Athlon II X4 651K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 746 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Power efficiency | 66.18 | no data |
| Architecture codename | Rembrandt-U PRO (Zen 3+) (2022) | Llano (2011−2012) |
| Release date | 19 April 2022 (2 years ago) | 14 November 2011 (13 years ago) |
Detailed specifications
Ryzen 5 PRO 6650U and Athlon II X4 651K 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 | 6 (Hexa-Core) | 4 (Quad-Core) |
| Threads | 12 | 4 |
| Base clock speed | 2.9 GHz | 3 GHz |
| Boost clock speed | 4.5 GHz | 3 GHz |
| L1 cache | 64K (per core) | 128 KB (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 16 MB (shared) | 0 KB |
| Chip lithography | 6 nm | 32 nm |
| Die size | 208 mm2 | 228 mm2 |
| Maximum core temperature | 95 °C | no data |
| Number of transistors | no data | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
Compatibility
Information on Ryzen 5 PRO 6650U and Athlon II X4 651K 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 | FP7 | FM1 |
| Power consumption (TDP) | 15 Watt | 100 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 PRO 6650U and Athlon II X4 651K. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 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 | no data |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 PRO 6650U and Athlon II X4 651K are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 PRO 6650U and Athlon II X4 651K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 660M ( - 1900 MHz) | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 PRO 6650U and Athlon II X4 651K.
| PCIe version | 4.0 | no data |
| PCI Express lanes | 20 | no data |
Pros & cons summary
| Recency | 19 April 2022 | 14 November 2011 |
| Physical cores | 6 | 4 |
| Threads | 12 | 4 |
| Chip lithography | 6 nm | 32 nm |
| Power consumption (TDP) | 15 Watt | 100 Watt |
Ryzen 5 PRO 6650U has an age advantage of 10 years, 50% more physical cores and 200% more threads, a 433.3% more advanced lithography process, and 566.7% lower power consumption.
We couldn't decide between Ryzen 5 PRO 6650U and Athlon II X4 651K. We've got no test results to judge.
Be aware that Ryzen 5 PRO 6650U is a notebook processor while Athlon II X4 651K is a desktop one.
Should you still have questions on choice between Ryzen 5 PRO 6650U and Athlon II X4 651K, ask them in Comments section, and we shall answer.
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