Am486DX2-66 vs EPYC 9555
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 14 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.27 | no data |
| Market segment | Server | Desktop processor |
| Series | no data | AMD Am486 |
| Power efficiency | 8.92 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | no data |
| Architecture codename | Turin (2024) | 80486 (1989) |
| Release date | 10 October 2024 (1 year ago) | no data |
| Launch price (MSRP) | $9,826 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
EPYC 9555 and Am486DX2-66 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 | 64 (Tetrahexaconta-Core) | 1 (Single-Core) |
| Threads | 128 | no data |
| Base clock speed | 3.2 GHz | no data |
| Boost clock speed | 4.4 GHz | 0.07 GHz |
| Bus type | no data | FSB |
| Bus rate | no data | 33 MT/s |
| Multiplier | no data | 2 |
| L1 cache | 80 KB (per core) | 8 KB |
| L2 cache | 1 MB (per core) | no data |
| L3 cache | 256 MB (shared) | no data |
| Chip lithography | 4 nm | 700 nm, 500 nm |
| Die size | 8x 70.6 mm2 | no data |
| Number of transistors | 66,520 million | 1 Million |
| 64 bit support | + | - |
Compatibility
Information on EPYC 9555 and Am486DX2-66 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 | 2 | no data |
| Socket | SP5 | no data |
| Power consumption (TDP) | 360 Watt | no data |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9555 and Am486DX2-66. 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 EPYC 9555 and Am486DX2-66 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 9555 and Am486DX2-66. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | no data |
| Maximum memory size | no data | 4 GB |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by EPYC 9555 and Am486DX2-66.
| PCIe version | 5.0 | no data |
| PCI Express lanes | 128 | no data |
Pros & cons summary
| Physical cores | 64 | 1 |
| Chip lithography | 4 nm | 700 nm |
EPYC 9555 has 6300% more physical cores, and a 17400% more advanced lithography process.
We couldn't decide between AMD EPYC 9555 and AMD Am486DX2-66. We've got no test results to judge.
Be aware that EPYC 9555 is a server/workstation processor while Am486DX2-66 is a desktop one.
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