EPYC 9274F vs EPYC 7251
Aggregate performance score
EPYC 9274F outperforms EPYC 7251 by a whopping 395% based on our aggregate benchmark results.
Primary details
Comparing EPYC 7251 and EPYC 9274F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 840 | 48 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.63 | 12.90 |
| Market segment | Server | Server |
| Series | AMD EPYC | AMD EPYC |
| Power efficiency | 7.40 | 13.74 |
| Architecture codename | Naples (2017−2018) | Genoa (2022−2023) |
| Release date | 20 June 2017 (7 years ago) | 10 November 2022 (2 years ago) |
| Launch price (MSRP) | $574 | $3,060 |
Cost-effectiveness evaluation
Performance per price, higher is better.
EPYC 9274F has 390% better value for money than EPYC 7251.
Detailed specifications
EPYC 7251 and EPYC 9274F 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 | 8 (Octa-Core) | 24 (Tetracosa-Core) |
| Threads | 16 | 48 |
| Base clock speed | 2.1 GHz | 4.05 GHz |
| Boost clock speed | 2.1 GHz | 4.05 GHz |
| Multiplier | 21 | 40.5 |
| L1 cache | 768 KB | 1536 KB |
| L2 cache | 4 MB | 24 MB |
| L3 cache | 32 MB (shared) | 256 MB (shared) |
| Chip lithography | 14 nm | 5 nm, 6 nm |
| Die size | 213 mm2 | 8x 72 mm2 |
| Number of transistors | 19200 Million | 52,560 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC 7251 and EPYC 9274F 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 (Multiprocessor) | 2 |
| Socket | TR4 | SP5 |
| Power consumption (TDP) | 120 Watt | 320 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7251 and EPYC 9274F. 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 7251 and EPYC 9274F are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7251 and EPYC 9274F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR5-4800 |
| Maximum memory size | 2 TiB | 6 TiB |
| Max memory channels | 8 | no data |
| Maximum memory bandwidth | 153.652 GB/s | 460.8 GB/s |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by EPYC 7251 and EPYC 9274F.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 128 | 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.
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 | 9.32 | 46.18 |
| Recency | 20 June 2017 | 10 November 2022 |
| Physical cores | 8 | 24 |
| Threads | 16 | 48 |
| Chip lithography | 14 nm | 5 nm |
| Power consumption (TDP) | 120 Watt | 320 Watt |
EPYC 7251 has 166.7% lower power consumption.
EPYC 9274F, on the other hand, has a 395.5% higher aggregate performance score, an age advantage of 5 years, 200% more physical cores and 200% more threads, and a 180% more advanced lithography process.
The EPYC 9274F is our recommended choice as it beats the EPYC 7251 in performance tests.
Other comparisons
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