Pentium Extreme Edition 955 vs Phenom II 42 TWKR Black Edition
Primary details
Comparing Phenom II 42 TWKR Black Edition and Pentium Extreme Edition 955 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1804 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Deneb (2009−2011) | Presler (2005−2007) |
| Release date | 1 June 2009 (15 years ago) | 27 December 2005 (18 years ago) |
Detailed specifications
Phenom II 42 TWKR Black Edition and Pentium Extreme Edition 955 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) | 2 (Dual-core) |
| Threads | 4 | 4 |
| Base clock speed | no data | 3.466 GHz |
| Boost clock speed | 2 GHz | 0.47 GHz |
| L1 cache | 128 KB (per core) | 16 KB (per core) |
| L2 cache | 512 KB (per core) | 2 MB (per core) |
| L3 cache | 6 MB (shared) | no data |
| Chip lithography | 45 nm | 65 nm |
| Die size | 258 mm2 | 2x 81 mm2 |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | 758 million | 376 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | + |
Compatibility
Information on Phenom II 42 TWKR Black Edition and Pentium Extreme Edition 955 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 | 130 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II 42 TWKR Black Edition and Pentium Extreme Edition 955 are enumerated here.
| AMD-V | + | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II 42 TWKR Black Edition and Pentium Extreme Edition 955. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 Depends on motherboard |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Phenom II 42 TWKR Black Edition and Pentium Extreme Edition 955.
| PCIe version | 2.0 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Recency | 1 June 2009 | 27 December 2005 |
| Physical cores | 4 | 2 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 125 Watt | 130 Watt |
Phenom II 42 TWKR Black Edition has an age advantage of 3 years, 100% more physical cores, a 44.4% more advanced lithography process, and 4% lower power consumption.
We couldn't decide between Phenom II 42 TWKR Black Edition and Pentium Extreme Edition 955. We've got no test results to judge.
Should you still have questions on choice between Phenom II 42 TWKR Black Edition and Pentium Extreme Edition 955, ask them in Comments section, and we shall answer.
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