Ryzen 9 9900X3D vs Pentium Extreme Edition 955
Aggregate performance score
Ryzen 9 9900X3D outperforms Pentium Extreme Edition 955 by a whopping 12021% based on our aggregate benchmark results.
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3183 | 116 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 58.56 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 0.21 | 27.20 |
| Designer | Intel | AMD |
| Architecture codename | Presler (2005−2007) | Granite Ridge (2024−2025) |
| Release date | 27 December 2005 (19 years ago) | 6 January 2025 (less than a year ago) |
| Launch price (MSRP) | $999 | $599 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Pentium Extreme Edition 955 and Ryzen 9 9900X3D have a nearly equal value for money.
Detailed specifications
Pentium Extreme Edition 955 and Ryzen 9 9900X3D 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) | 12 (Dodeca-Core) |
| Threads | 4 | 24 |
| Base clock speed | 3.466 GHz | 4.4 GHz |
| Boost clock speed | 0.47 GHz | 5.5 GHz |
| L1 cache | 16 KB (per core) | 80 KB (per core) |
| L2 cache | 2 MB (per core) | 1 MB (per core) |
| L3 cache | no data | 128 MB (shared) |
| Chip lithography | 65 nm | 4 nm |
| Die size | 2x 81 mm2 | 2x 70.6 mm2 |
| Maximum case temperature (TCase) | 69 °C | no data |
| Number of transistors | 376 million | 16,630 million |
| 64 bit support | + | + |
| Unlocked multiplier | + | + |
Compatibility
Information on Pentium Extreme Edition 955 and Ryzen 9 9900X3D 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 | 775 | AM5 |
| Power consumption (TDP) | 130 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium Extreme Edition 955 and Ryzen 9 9900X3D. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium Extreme Edition 955 and Ryzen 9 9900X3D are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium Extreme Edition 955 and Ryzen 9 9900X3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 Depends on motherboard | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | AMD Radeon Graphics |
Peripherals
Specifications and connection of peripherals supported by Pentium Extreme Edition 955 and Ryzen 9 9900X3D.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 24 |
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 | 0.29 | 35.15 |
| Recency | 27 December 2005 | 6 January 2025 |
| Physical cores | 2 | 12 |
| Threads | 4 | 24 |
| Chip lithography | 65 nm | 4 nm |
| Power consumption (TDP) | 130 Watt | 120 Watt |
Ryzen 9 9900X3D has a 12020.7% higher aggregate performance score, an age advantage of 19 years, 500% more physical cores and 500% more threads, a 1525% more advanced lithography process, and 8.3% lower power consumption.
The AMD Ryzen 9 9900X3D is our recommended choice as it beats the Intel Pentium Extreme Edition 955 in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
