Opteron 844 vs Pentium III 1400S
Primary details
Comparing Pentium III 1400S and Opteron 844 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Architecture codename | Tualatin (2000−2002) | SledgeHammer (2003−2004) |
| Release date | January 2002 (22 years ago) | June 2003 (21 year ago) |
Detailed specifications
Pentium III 1400S and Opteron 844 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) | 1 (Single-Core) |
| Threads | 1 | 1 |
| Boost clock speed | 1.4 GHz | 1.8 GHz |
| L1 cache | 8 KB | 128 KB |
| L2 cache | 512 KB | 1 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 130 nm | 130 nm |
| Die size | 80 mm2 | 193 mm2 |
| Maximum case temperature (TCase) | 69 °C | no data |
| Number of transistors | 44 million | 106 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Pentium III 1400S and Opteron 844 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 | 370 | 940 |
| Power consumption (TDP) | 32 Watt | 85 Watt |
Pros & cons summary
| Power consumption (TDP) | 32 Watt | 85 Watt |
We couldn't decide between Pentium III 1400S and Opteron 844. We've got no test results to judge.
Note that Pentium III 1400S is a desktop processor while Opteron 844 is a server/workstation one.
Should you still have questions on choice between Pentium III 1400S and Opteron 844, ask them in Comments section, and we shall answer.
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