EPYC 9654P vs Athlon X4 950
Aggregate performance score
EPYC 9654P outperforms Athlon X4 950 by a whopping 3075% based on our aggregate benchmark results.
Primary details
Comparing Athlon X4 950 and EPYC 9654P processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1783 | 6 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.66 | 0.71 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC |
| Architecture codename | Bristol Ridge (2016−2019) | Genoa (2022−2023) |
| Release date | 27 July 2017 (7 years ago) | 10 November 2022 (1 year ago) |
| Launch price (MSRP) | $60 | $10,625 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Athlon X4 950 has 415% better value for money than EPYC 9654P.
Detailed specifications
Athlon X4 950 and EPYC 9654P 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 | 4 (Quad-Core) | 96 |
| Threads | 4 | 192 |
| Base clock speed | 3.5 GHz | 2.4 GHz |
| Boost clock speed | 3.8 GHz | 2.4 GHz |
| Multiplier | no data | 24 |
| L1 cache | 128 KB (per core) | 6 MB |
| L2 cache | 512 KB (per core) | 96 MB |
| L3 cache | 0 KB | 384 MB (shared) |
| Chip lithography | 28 nm | 5 nm, 6 nm |
| Die size | 246 mm2 | 12x 72 mm2 |
| Maximum case temperature (TCase) | 74 °C | no data |
| Number of transistors | 1,178 million | 78,840 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Athlon X4 950 and EPYC 9654P 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 | AM4 | SP5 |
| Power consumption (TDP) | 65 Watt | 360 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon X4 950 and EPYC 9654P. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon X4 950 and EPYC 9654P are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon X4 950 and EPYC 9654P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR5-4800 |
| Maximum memory size | no data | 6 TiB |
| Maximum memory bandwidth | no data | 460.8 GB/s |
Peripherals
Specifications and connection of peripherals supported by Athlon X4 950 and EPYC 9654P.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 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.
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 | 2.32 | 73.67 |
| Recency | 27 July 2017 | 10 November 2022 |
| Physical cores | 4 | 96 |
| Threads | 4 | 192 |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 65 Watt | 360 Watt |
Athlon X4 950 has 453.8% lower power consumption.
EPYC 9654P, on the other hand, has a 3075.4% higher aggregate performance score, an age advantage of 5 years, 2300% more physical cores and 4700% more threads, and a 460% more advanced lithography process.
The EPYC 9654P is our recommended choice as it beats the Athlon X4 950 in performance tests.
Note that Athlon X4 950 is a desktop processor while EPYC 9654P is a server/workstation one.
Should you still have questions on choice between Athlon X4 950 and EPYC 9654P, ask them in Comments section, and we shall answer.
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