Pentium 4 HT 651 vs Phenom II X6 1055T (125W)
Primary details
Comparing Phenom II X6 1055T (125W) and Pentium 4 HT 651 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 | Desktop processor |
| Architecture codename | Thuban (2010) | Cedar Mill (2006) |
| Release date | 27 April 2010 (14 years ago) | January 2006 (18 years ago) |
Detailed specifications
Phenom II X6 1055T (125W) and Pentium 4 HT 651 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 | 6 (Hexa-Core) | 1 (Single-Core) |
| Threads | 6 | 2 |
| Base clock speed | 2.8 GHz | no data |
| Boost clock speed | 3.3 GHz | 3.4 GHz |
| L1 cache | 128 KB (per core) | 28 KB |
| L2 cache | 512 KB (per core) | 2 MB |
| L3 cache | 6 MB (shared) | 0 KB |
| Chip lithography | 45 nm | 65 nm |
| Die size | 346 mm2 | 81 mm2 |
| Number of transistors | 904 million | 188 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X6 1055T (125W) and Pentium 4 HT 651 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 | AM3 | 775 |
| Power consumption (TDP) | 125 Watt | 86 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X6 1055T (125W) and Pentium 4 HT 651. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 |
Peripherals
Specifications and connection of peripherals supported by Phenom II X6 1055T (125W) and Pentium 4 HT 651.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Physical cores | 6 | 1 |
| Threads | 6 | 2 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 125 Watt | 86 Watt |
Phenom II X6 1055T (125W) has 500% more physical cores and 200% more threads, and a 44.4% more advanced lithography process.
Pentium 4 HT 651, on the other hand, has 45.3% lower power consumption.
We couldn't decide between Phenom II X6 1055T (125W) and Pentium 4 HT 651. We've got no test results to judge.
Should you still have questions on choice between Phenom II X6 1055T (125W) and Pentium 4 HT 651, ask them in Comments section, and we shall answer.
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