Athlon II X4 640 vs Ryzen 7 8745HS
Aggregate performance score
Ryzen 7 8745HS outperforms Athlon II X4 640 by a whopping 1180% 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 | 457 | 2478 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 2.92 |
| Market segment | Laptop | Desktop processor |
| Power efficiency | no data | 1.46 |
| Designer | AMD | AMD |
| Architecture codename | Hawk Point-HS (Zen 4) (2023−2024) | Propus (2009−2011) |
| Release date | no data | 11 May 2010 (15 years ago) |
| Launch price (MSRP) | no data | $80 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen 7 8745HS and Athlon II X4 640 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 | 8 (Octa-Core) | 4 (Quad-Core) |
| Threads | 16 | 4 |
| Base clock speed | 3.8 GHz | 3 GHz |
| Boost clock speed | 4.9 GHz | 3 GHz |
| L1 cache | no data | 128 KB (per core) |
| L2 cache | no data | 512 KB (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | no data | 45 nm |
| Die size | no data | 169 mm2 |
| Number of transistors | no data | 300 million |
| 64 bit support | - | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Ryzen 7 8745HS and Athlon II X4 640 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 | no data | 1 |
| Socket | no data | AM3 |
| Power consumption (TDP) | 8 MB + 16 MB | 95 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 8745HS and Athlon II X4 640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 8745HS and Athlon II X4 640.
| PCIe version | no data | 2.0 |
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 | 16.51 | 1.29 |
| Physical cores | 8 | 4 |
| Threads | 16 | 4 |
| Power consumption (TDP) | 8 Watt | 95 Watt |
Ryzen 7 8745HS has a 1179.8% higher aggregate performance score, 100% more physical cores and 300% more threads, and 1087.5% lower power consumption.
The AMD Ryzen 7 8745HS is our recommended choice as it beats the AMD Athlon II X4 640 in performance tests.
Be aware that Ryzen 7 8745HS is a notebook processor while Athlon II X4 640 is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
