Opteron X2 865 HE vs Opteron 856
Primary details
Comparing Opteron 856 and Opteron X2 865 HE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Architecture codename | Athens (2003−2006) | Egypt (2005−2006) |
| Release date | April 2006 (18 years ago) | August 2005 (19 years ago) |
Detailed specifications
Opteron 856 and Opteron X2 865 HE 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) | 2 (Dual-core) |
| Threads | 1 | 2 |
| Boost clock speed | 3 GHz | 1.8 GHz |
| L1 cache | 128 KB | 128 KB |
| L2 cache | 1 MB | 1 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 90 nm | 90 nm |
| Number of transistors | 106 million | 233 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Opteron 856 and Opteron X2 865 HE 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 | 8 |
| Socket | 940 | 940 |
| Power consumption (TDP) | 92 Watt | 55 Watt |
Pros & cons summary
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Power consumption (TDP) | 92 Watt | 55 Watt |
Opteron X2 865 HE has 100% more physical cores and 100% more threads, and 67.3% lower power consumption.
We couldn't decide between Opteron 856 and Opteron X2 865 HE. We've got no test results to judge.
Should you still have questions on choice between Opteron 856 and Opteron X2 865 HE, ask them in Comments section, and we shall answer.
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