Pentium Extreme Edition 955 vs Ryzen 5 8640U
Primary details
Comparing Ryzen 5 8640U and Pentium Extreme Edition 955 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 555 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Architecture codename | Hawk Point-U (Zen 4) (2023) | Presler (2005−2007) |
| Release date | 6 December 2023 (less than a year ago) | 27 December 2005 (18 years ago) |
Detailed specifications
Ryzen 5 8640U and Pentium Extreme Edition 955 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) | 2 (Dual-core) |
| Threads | 12 | 4 |
| Base clock speed | 3.5 GHz | 3.466 GHz |
| Boost clock speed | 4.9 GHz | 0.47 GHz |
| L1 cache | 384 KB | 16 KB (per core) |
| L2 cache | 6 MB | 2 MB (per core) |
| L3 cache | 16 MB | no data |
| Chip lithography | 4 nm | 65 nm |
| Die size | 178 mm2 | 2x 81 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | 25,000 million | 376 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 5 8640U and Pentium Extreme Edition 955 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/FP7r2/FP8 | 775 |
| Power consumption (TDP) | 28 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 8640U and Pentium Extreme Edition 955. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 | no data |
| AES-NI | + | - |
| AVX | + | - |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 8640U and Pentium Extreme Edition 955 are enumerated here.
| AMD-V | + | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 8640U and Pentium Extreme Edition 955. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR1, DDR2, DDR3 Depends on motherboard |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 760M | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 8640U and Pentium Extreme Edition 955.
| PCIe version | 4.0 | no data |
| PCI Express lanes | 20 | no data |
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 | 6 December 2023 | 27 December 2005 |
| Physical cores | 6 | 2 |
| Threads | 12 | 4 |
| Chip lithography | 4 nm | 65 nm |
| Power consumption (TDP) | 28 Watt | 130 Watt |
Ryzen 5 8640U has an age advantage of 17 years, 200% more physical cores and 200% more threads, a 1525% more advanced lithography process, and 364.3% lower power consumption.
We couldn't decide between Ryzen 5 8640U and Pentium Extreme Edition 955. We've got no test results to judge.
Be aware that Ryzen 5 8640U is a notebook processor while Pentium Extreme Edition 955 is a desktop one.
Should you still have questions on choice between Ryzen 5 8640U and Pentium Extreme Edition 955, ask them in Comments section, and we shall answer.
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