Ryzen 5 PRO 7640U vs Opteron 856
Primary details
Comparing Opteron 856 and Ryzen 5 PRO 7640U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 551 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | no data | AMD Phoenix (Zen 4, Ryzen 7040) |
| Power efficiency | no data | 84.56 |
| Architecture codename | Athens (2003−2006) | Phoenix (Zen4) (2023) |
| Release date | April 2006 (18 years ago) | 23 May 2023 (1 year ago) |
Detailed specifications
Opteron 856 and Ryzen 5 PRO 7640U 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 | 3.5 GHz |
| Boost clock speed | 3 GHz | 4.9 GHz |
| L1 cache | 128 KB | 384 KB |
| L2 cache | 1 MB | 6 MB |
| L3 cache | 0 KB | 16 MB |
| Chip lithography | 90 nm | 4 nm |
| Die size | no data | 178 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 106 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Opteron 856 and Ryzen 5 PRO 7640U 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 | 8 | no data |
| Socket | 940 | no data |
| Power consumption (TDP) | 92 Watt | 15 Watt |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 760M |
Pros & cons summary
| Physical cores | 1 | 6 |
| Threads | 1 | 12 |
| Chip lithography | 90 nm | 4 nm |
| Power consumption (TDP) | 92 Watt | 15 Watt |
Ryzen 5 PRO 7640U has 500% more physical cores and 1100% more threads, a 2150% more advanced lithography process, and 513.3% lower power consumption.
We couldn't decide between Opteron 856 and Ryzen 5 PRO 7640U. We've got no test results to judge.
Be aware that Opteron 856 is a server/workstation processor while Ryzen 5 PRO 7640U is a notebook one.
Should you still have questions on choice between Opteron 856 and Ryzen 5 PRO 7640U, ask them in Comments section, and we shall answer.
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