EPYC 9455 vs AMD-K5-PR166ABR
Primary details
Comparing AMD-K5-PR166ABR and EPYC 9455 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 | Desktop processor | Server |
| Series | AMD K5 | no data |
| Architecture codename | K5 (1996−1997) | Turin (2024) |
| Release date | 6 January 1997 (27 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $5,412 |
Detailed specifications
AMD-K5-PR166ABR and EPYC 9455 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) | 48 (Octatetraconta-Core) |
| Threads | 1 | 96 |
| Base clock speed | no data | 3.15 GHz |
| Boost clock speed | 0.07 GHz | 4.4 GHz |
| Bus type | FSB | no data |
| Bus rate | 66.66 MT/s | no data |
| Multiplier | 1.75 | no data |
| L1 cache | no data | 80 KB (per core) |
| L2 cache | no data | 1 MB (per core) |
| L3 cache | no data | 192 MB (shared) |
| Chip lithography | 350 nm | 4 nm |
| Die size | 181 mm2 | 6x 70.6 mm2 |
| Number of transistors | 4 Million | 49,890 million |
| 64 bit support | - | + |
Compatibility
Information on AMD-K5-PR166ABR and EPYC 9455 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) | no data | 300 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by AMD-K5-PR166ABR and EPYC 9455. 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 AMD-K5-PR166ABR and EPYC 9455 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by AMD-K5-PR166ABR and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
| Maximum memory size | 4 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 AMD-K5-PR166ABR and EPYC 9455.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 6 January 1997 | 10 October 2024 |
| Physical cores | 1 | 48 |
| Threads | 1 | 96 |
| Chip lithography | 350 nm | 4 nm |
EPYC 9455 has an age advantage of 27 years, 4700% more physical cores and 9500% more threads, and a 8650% more advanced lithography process.
We couldn't decide between AMD-K5-PR166ABR and EPYC 9455. We've got no test results to judge.
Note that AMD-K5-PR166ABR is a desktop processor while EPYC 9455 is a server/workstation one.
Should you still have questions on choice between AMD-K5-PR166ABR and EPYC 9455, ask them in Comments section, and we shall answer.
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