EPYC 9255 vs Mobile Pentium II 266
Primary details
Comparing Mobile Pentium II 266 and EPYC 9255 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Mobile Pentium II | no data |
| Architecture codename | P6 | Turin (2024) |
| Release date | no data (2024 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $2,495 |
Detailed specifications
Mobile Pentium II 266 and EPYC 9255 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) | 24 (Tetracosa-Core) |
| Threads | 1 | 48 |
| Base clock speed | no data | 3.25 GHz |
| Boost clock speed | 0.27 GHz | 4.8 GHz |
| Bus type | FSB | no data |
| Multiplier | 4 | no data |
| L1 cache | no data | 80 KB (per core) |
| L2 cache | 512 KB | 1 MB (per core) |
| L3 cache | no data | 128 MB (shared) |
| Chip lithography | 250 nm | 4 nm |
| Die size | 131 mm2 | 4x 70.6 mm2 |
| Number of transistors | 8 Million | 33,260 million |
| 64 bit support | - | + |
Compatibility
Information on Mobile Pentium II 266 and EPYC 9255 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 | 2 |
| Socket | no data | SP5 |
| Power consumption (TDP) | 10.3 Watt | 200 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Mobile Pentium II 266 and EPYC 9255. 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 Mobile Pentium II 266 and EPYC 9255 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Mobile Pentium II 266 and EPYC 9255. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
| Maximum memory size | 64 GB | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Mobile Pentium II 266 and EPYC 9255.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Physical cores | 1 | 24 |
| Threads | 1 | 48 |
| Chip lithography | 250 nm | 4 nm |
| Power consumption (TDP) | 10 Watt | 200 Watt |
Mobile Pentium II 266 has 1900% lower power consumption.
EPYC 9255, on the other hand, has 2300% more physical cores and 4700% more threads, and a 6150% more advanced lithography process.
We couldn't decide between Mobile Pentium II 266 and EPYC 9255. We've got no test results to judge.
Be aware that Mobile Pentium II 266 is a notebook processor while EPYC 9255 is a server/workstation one.
Should you still have questions on choice between Mobile Pentium II 266 and EPYC 9255, ask them in Comments section, and we shall answer.
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