EPYC 9654 vs Ryzen 9 7900X
Aggregated performance score
EPYC 9654 outperforms Ryzen 9 7900X by 135% based on our aggregated benchmark results.
Primary Details
Comparing Ryzen 9 7900X and EPYC 9654 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 100 | 4 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-Effectiveness Evaluation | 66.51 | 10.11 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC |
| Architecture codename | Raphael (Zen4) | Genoa |
| Release date | 27 September 2022 (1 year ago) | 10 November 2022 (1 year ago) |
| Launch price (MSRP) | no data | $11,805 |
| Current price | $540 | $4544 (0.4x MSRP) |
Cost-Effectiveness Evaluation
Performance per price, higher is better.
Ryzen 9 7900X has 558% better value for money than EPYC 9654.
Detailed Specifications
Ryzen 9 7900X and EPYC 9654 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) | 96 |
| Threads | 24 | 192 |
| Base clock speed | 4.7 GHz | 2.4 GHz |
| Boost clock speed | 5.6 GHz | 3.7 GHz |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 64 MB (shared) | 384 MB (shared) |
| Chip lithography | 5 nm | 5 nm, 6 nm |
| Die size | 2x 70 (CCD) mm2 + 122 (I/O) mm2 | 12x 72 mm2 |
| Maximum core temperature | 95 °C | no data |
| Maximum case temperature (TCase) | 47 °C | no data |
| Number of transistors | CCD: 6,5 Mrd + IOD: 3,4 Mrd Million | 78,840 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | Yes | No |
Compatibility
Information on Ryzen 9 7900X and EPYC 9654 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 | AM5 | SP5 |
| Power consumption (TDP) | 170 Watt | 360 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 7900X and EPYC 9654. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 5 nm (CCD), 6 nm (I/O) nm, 0.650 - 1.475V | no data |
| AES-NI | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 7900X and EPYC 9654 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7900X and EPYC 9654. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5200 | DDR5-4800 |
| Maximum memory size | no data | 6 TiB |
| Maximum memory bandwidth | no data | 460.8 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics (Ryzen 7000) | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 7900X and EPYC 9654.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 24 | 128 |
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.
EPYC 9654 outperforms Ryzen 9 7900X by 135% based on our aggregated benchmark results.
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.
Benchmark coverage: 68%
EPYC 9654 outperforms Ryzen 9 7900X by 135% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
Ryzen 9 7900X outperforms EPYC 9654 by 60% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
EPYC 9654 outperforms Ryzen 9 7900X by 4% in GeekBench 5 Multi-Core.
Pros & Cons Summary
| Performance score | 33.56 | 78.94 |
| Recency | 27 September 2022 | 10 November 2022 |
| Physical cores | 12 | 96 |
| Threads | 24 | 192 |
| Power consumption (TDP) | 170 Watt | 360 Watt |
The EPYC 9654 is our recommended choice as it beats the Ryzen 9 7900X in performance tests.
Be aware that Ryzen 9 7900X is a desktop processor while EPYC 9654 is a server/workstation one.
Should you still have questions on choice between Ryzen 9 7900X and EPYC 9654, ask them in Comments section, and we shall answer.
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