Ryzen 9 9955HX3D vs Pentium III 1400
Aggregate performance score
Ryzen 9 9955HX3D outperforms Pentium III 1400 by a whopping 31200% 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 | 3562 | 97 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Power efficiency | 0.15 | 27.32 |
| Designer | Intel | AMD |
| Architecture codename | Tualatin (2000−2002) | Fire Range-HX (Zen 5) (2025) |
| Release date | December 2001 (23 years ago) | 6 January 2025 (less than a year ago) |
Detailed specifications
Pentium III 1400 and Ryzen 9 9955HX3D 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 | 1 (Single-Core) | 16 (Hexadeca-Core) |
| Threads | 1 | 32 |
| Boost clock speed | 1.4 GHz | 5.4 GHz |
| L1 cache | 8 KB | 1.3 MB |
| L2 cache | 256 KB | 16 MB |
| L3 cache | 0 KB | 128 MB |
| Chip lithography | 130 nm | no data |
| Die size | 80 mm2 | no data |
| Maximum case temperature (TCase) | 69 °C | no data |
| Number of transistors | 44 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Pentium III 1400 and Ryzen 9 9955HX3D 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 | no data |
| Socket | 370 | no data |
| Power consumption (TDP) | 31 Watt | 55 Watt |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 610M ( - 2200 MHz) |
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 | 0.12 | 37.56 |
| Physical cores | 1 | 16 |
| Threads | 1 | 32 |
| Power consumption (TDP) | 31 Watt | 55 Watt |
Pentium III 1400 has 77.4% lower power consumption.
Ryzen 9 9955HX3D, on the other hand, has a 31200% higher aggregate performance score, and 1500% more physical cores and 3100% more threads.
The AMD Ryzen 9 9955HX3D is our recommended choice as it beats the Intel Pentium III 1400 in performance tests.
Note that Pentium III 1400 is a desktop processor while Ryzen 9 9955HX3D is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
