Pentium 4 HT 551 vs Opteron 844
Primary Details
Comparing Opteron 844 and Pentium 4 HT 551 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 | Server | Desktop processor |
| Architecture codename | SledgeHammer (2003−2004) | Prescott (2001−2005) |
| Release date | June 2003 (20 years ago) | June 2005 (18 years ago) |
Detailed Specifications
Opteron 844 and Pentium 4 HT 551 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 | 2 |
| Boost clock speed | 1.8 GHz | 3.4 GHz |
| L1 cache | 128 KB | 16 KB |
| L2 cache | 1 MB | 1 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 130 nm | 90 nm |
| Die size | 193 mm2 | 109 mm2 |
| Number of transistors | 106 million | 125 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Opteron 844 and Pentium 4 HT 551 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 | 1 |
| Socket | 940 | 775 |
| Power consumption (TDP) | 85 Watt | 115 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 844 and Pentium 4 HT 551. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2, DDR3 |
Pros & Cons Summary
| Threads | 1 | 2 |
| Chip lithography | 130 nm | 90 nm |
| Power consumption (TDP) | 85 Watt | 115 Watt |
We couldn't decide between Opteron 844 and Pentium 4 HT 551. We've got no test results to judge.
Be aware that Opteron 844 is a server/workstation processor while Pentium 4 HT 551 is a desktop one.
Should you still have questions on choice between Opteron 844 and Pentium 4 HT 551, ask them in Comments section, and we shall answer.
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