Pentium Extreme Edition 955 vs Athlon 64 X2 4400+
Aggregate performance score
Athlon 64 X2 4400+ outperforms Pentium Extreme Edition 955 by a considerable 41% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3201 | 3335 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | 2x Athlon 64 (Desktop) | no data |
| Power efficiency | 0.25 | 0.09 |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Windsor (2006−2007) | Presler (2005−2007) |
| Release date | no data | 27 December 2005 (19 years ago) |
| Launch price (MSRP) | no data | $999 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Athlon 64 X2 (Desktop) 4400+ 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 | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 2 | 4 |
| Base clock speed | no data | 3.466 GHz |
| Boost clock speed | 2.2 GHz | 0.47 GHz |
| Bus rate | 1000 MHz | no data |
| L1 cache | 256K | 16 KB (per core) |
| L2 cache | 512K | 2 MB (per core) |
| L3 cache | 0 KB | no data |
| Chip lithography | 90 nm | 65 nm |
| Die size | 220 mm2 | 2x 81 mm2 |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | 233 million | 376 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Athlon 64 X2 (Desktop) 4400+ 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 | 939 | 775 |
| Power consumption (TDP) | 65 Watt | 130 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon 64 X2 (Desktop) 4400+ and Pentium Extreme Edition 955 are enumerated here.
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 X2 (Desktop) 4400+ and Pentium Extreme Edition 955. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2, DDR3 Depends on motherboard |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | On certain motherboards (Chipset feature) |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 0.38 | 0.27 |
| Threads | 2 | 4 |
| Chip lithography | 90 nm | 65 nm |
| Power consumption (TDP) | 65 Watt | 130 Watt |
Athlon 64 X2 4400+ has a 40.7% higher aggregate performance score, and 100% lower power consumption.
Pentium Extreme Edition 955, on the other hand, has 100% more threads, and a 38.5% more advanced lithography process.
The AMD Athlon 64 X2 4400+ is our recommended choice as it beats the Intel Pentium Extreme Edition 955 in performance tests.
Other comparisons
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