Opteron 842 vs Athlon 64 X2 4000+
Primary details
Comparing Athlon 64 X2 4000+ and Opteron 842 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 | Desktop processor | Server |
| Architecture codename | Windsor (2006−2007) | SledgeHammer (2003−2005) |
| Release date | May 2006 (18 years ago) | June 2003 (21 year ago) |
Detailed specifications
Athlon 64 X2 4000+ 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 | 2 (Dual-core) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Boost clock speed | 2 GHz | 1.6 GHz |
| L1 cache | 256 KB | 128 KB |
| L2 cache | 512K | 1 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 90 nm | 130 nm |
| Die size | 220 mm2 | 193 mm2 |
| Number of transistors | 154 million | 106 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon 64 X2 4000+ 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 | AM2 | 940 |
| Power consumption (TDP) | 89 Watt | 85 Watt |
Pros & cons summary
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 90 nm | 130 nm |
| Power consumption (TDP) | 89 Watt | 85 Watt |
Athlon 64 X2 4000+ has 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.
Opteron 842, on the other hand, has 4.7% lower power consumption.
We couldn't decide between Athlon 64 X2 4000+ and Opteron 842. We've got no test results to judge.
Note that Athlon 64 X2 4000+ is a desktop processor while Opteron 842 is a server/workstation one.
Should you still have questions on choice between Athlon 64 X2 4000+ and Opteron 842, ask them in Comments section, and we shall answer.
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