Pentium III 1266S vs Ryzen AI 9 HX 375
Primary details
Comparing Ryzen AI 9 HX 375 and Pentium III 1266S processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 288 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Strix Point (Zen 5/5c, Ryzen AI 3/5/7/9) | no data |
| Power efficiency | 34.07 | no data |
| Architecture codename | Strix Point-HX (Zen 5) (2024) | Tualatin (2000−2002) |
| Release date | 25 July 2024 (less than a year ago) | July 2001 (23 years ago) |
Detailed specifications
Ryzen AI 9 HX 375 and Pentium III 1266S 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 | 12 (Dodeca-Core) | 1 (Single-Core) |
| Threads | 24 | 1 |
| Base clock speed | 2 GHz | no data |
| Boost clock speed | 5.1 GHz | 1.27 GHz |
| L1 cache | no data | 8 KB |
| L2 cache | 12 MB | 512 KB |
| L3 cache | 24 MB | 0 KB |
| Chip lithography | 4 nm | 130 nm |
| Die size | no data | 80 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | no data | 44 million |
| 64 bit support | + | - |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Ryzen AI 9 HX 375 and Pentium III 1266S 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 | no data | 1 |
| Socket | FP8 | 370 |
| Power consumption (TDP) | 54 Watt | 30 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen AI 9 HX 375 and Pentium III 1266S. You'll probably need this information if you require some particular technology.
| Instruction set extensions | USB 4, XDNA 2 NPU (55 TOPS), SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A | no data |
| AES-NI | + | - |
| AVX | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen AI 9 HX 375 and Pentium III 1266S. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 890M | 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
| Physical cores | 12 | 1 |
| Threads | 24 | 1 |
| Chip lithography | 4 nm | 130 nm |
| Power consumption (TDP) | 54 Watt | 30 Watt |
Ryzen AI 9 HX 375 has 1100% more physical cores and 2300% more threads, and a 3150% more advanced lithography process.
Pentium III 1266S, on the other hand, has 80% lower power consumption.
We couldn't decide between Ryzen AI 9 HX 375 and Pentium III 1266S. We've got no test results to judge.
Be aware that Ryzen AI 9 HX 375 is a notebook processor while Pentium III 1266S is a desktop one.
Should you still have questions on choice between Ryzen AI 9 HX 375 and Pentium III 1266S, ask them in Comments section, and we shall answer.
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