Xeon Platinum 8481C vs EPYC 9655P
Aggregate performance score
EPYC 9655P outperforms Xeon Platinum 8481C by a whopping 1261% based on our aggregate benchmark results.
Primary details
Comparing EPYC 9655P and Xeon Platinum 8481C processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1 | 986 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.62 | no data |
| Market segment | Server | Server |
| Power efficiency | 23.66 | 1.99 |
| Architecture codename | Turin (2024) | Sapphire Rapids (2023−2024) |
| Release date | 10 October 2024 (less than a year ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | $10,811 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 9655P and Xeon Platinum 8481C 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 | 96 | 56 (Hexapentaconta-Core) |
| Threads | 192 | 112 |
| Base clock speed | 2.6 GHz | 2 GHz |
| Boost clock speed | 4.5 GHz | 3.8 GHz |
| L1 cache | 80 KB (per core) | 80 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 384 MB (shared) | 105 MB |
| Chip lithography | 4 nm | 10 nm |
| Die size | 12x 70.6 mm2 | 4x 477 mm2 |
| Maximum case temperature (TCase) | no data | 79 °C |
| Number of transistors | 99,780 million | no data |
| 64 bit support | + | + |
Compatibility
Information on EPYC 9655P and Xeon Platinum 8481C 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 | 2 |
| Socket | SP5 | 4677 |
| Power consumption (TDP) | 400 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9655P and Xeon Platinum 8481C. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
Security technologies
EPYC 9655P and Xeon Platinum 8481C technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 9655P and Xeon Platinum 8481C are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 9655P and Xeon Platinum 8481C. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by EPYC 9655P and Xeon Platinum 8481C.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 128 | 80 |
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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
| Performance score | 100.00 | 7.35 |
| Recency | 10 October 2024 | 10 January 2023 |
| Physical cores | 96 | 56 |
| Threads | 192 | 112 |
| Chip lithography | 4 nm | 10 nm |
| Power consumption (TDP) | 400 Watt | 350 Watt |
EPYC 9655P has a 1260.5% higher aggregate performance score, an age advantage of 1 year, 71.4% more physical cores and 71.4% more threads, and a 150% more advanced lithography process.
Xeon Platinum 8481C, on the other hand, has 14.3% lower power consumption.
The EPYC 9655P is our recommended choice as it beats the Xeon Platinum 8481C in performance tests.
Should you still have questions on choice between EPYC 9655P and Xeon Platinum 8481C, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
