Opteron 842 vs Athlon II X4 631
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2453 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 0.51 | no data |
| Designer | AMD | AMD |
| Architecture codename | Llano (2011−2012) | SledgeHammer (2003−2005) |
| Release date | 17 August 2011 (13 years ago) | June 2003 (22 years ago) |
Detailed specifications
Athlon II X4 631 and Opteron 842 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 | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 2.6 GHz | no data |
| Boost clock speed | 2.6 GHz | 1.6 GHz |
| L1 cache | 128 KB (per core) | 128 KB |
| L2 cache | 1 MB (per core) | 1 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 32 nm | 130 nm |
| Die size | 228 mm2 | 193 mm2 |
| Number of transistors | 1,178 million | 106 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon II X4 631 and Opteron 842 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 | 8 |
| Socket | FM1 | 940 |
| Power consumption (TDP) | 100 Watt | 85 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II X4 631 and Opteron 842 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 631 and Opteron 842. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Pros & cons summary
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 32 nm | 130 nm |
| Power consumption (TDP) | 100 Watt | 85 Watt |
Athlon II X4 631 has 300% more physical cores and 300% more threads, and a 306.3% more advanced lithography process.
Opteron 842, on the other hand, has 17.6% lower power consumption.
We couldn't decide between AMD Athlon II X4 631 and AMD Opteron 842. We've got no test results to judge.
Note that Athlon II X4 631 is a desktop processor while Opteron 842 is a server/workstation one.
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