Pentium 4 HT 571 vs Phenom X4 9550
Primary details
Comparing Phenom X4 9550 and Pentium 4 HT 571 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2425 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.04 | no data |
| Architecture codename | Agena (2007−2008) | Prescott (2001−2005) |
| Release date | March 2008 (16 years ago) | June 2005 (19 years ago) |
Detailed specifications
Phenom X4 9550 and Pentium 4 HT 571 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 | 2 |
| Boost clock speed | 2.2 GHz | 3.8 GHz |
| L1 cache | 128 KB (per core) | 16 KB |
| L2 cache | 512 KB (per core) | 1 MB |
| L3 cache | 2 MB (shared) | 0 KB |
| Chip lithography | 65 nm | 90 nm |
| Die size | 285 mm2 | 109 mm2 |
| Number of transistors | 450 million | 125 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom X4 9550 and Pentium 4 HT 571 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 | 1 |
| Socket | AM2+ | 775 |
| Power consumption (TDP) | 95 Watt | 115 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom X4 9550 and Pentium 4 HT 571 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom X4 9550 and Pentium 4 HT 571. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2, DDR3 |
Pros & cons summary
| Physical cores | 4 | 1 |
| Threads | 4 | 2 |
| Chip lithography | 65 nm | 90 nm |
| Power consumption (TDP) | 95 Watt | 115 Watt |
Phenom X4 9550 has 300% more physical cores and 100% more threads, a 38.5% more advanced lithography process, and 21.1% lower power consumption.
We couldn't decide between Phenom X4 9550 and Pentium 4 HT 571. We've got no test results to judge.
Should you still have questions on choice between Phenom X4 9550 and Pentium 4 HT 571, ask them in Comments section, and we shall answer.
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