Apple M3 Max 14-Core vs EPYC 7251
Aggregate performance score
M3 Max 14-Core outperforms EPYC 7251 by a whopping 144% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 986 | 315 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.93 | no data |
| Market segment | Server | Laptop |
| Series | AMD EPYC | Apple M3 |
| Power efficiency | 2.99 | 11.26 |
| Designer | AMD | Apple |
| Architecture codename | Naples (2017−2018) | no data |
| Release date | 29 June 2017 (8 years ago) | 30 October 2023 (1 year ago) |
| Launch price (MSRP) | $574 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
EPYC 7251 and M3 Max 14-Core 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) | 14 (Tetradeca-Core) |
| Threads | 16 | 14 |
| Base clock speed | 2.1 GHz | 2.748 GHz |
| Boost clock speed | 2.9 GHz | 4.06 GHz |
| Multiplier | 21 | no data |
| L1 cache | 96K (per core) | no data |
| L2 cache | 512K (per core) | no data |
| L3 cache | 32 MB (shared) | no data |
| Chip lithography | 14 nm | 3 nm |
| Die size | 192 mm2 | no data |
| Number of transistors | 4,800 million | 92000 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC 7251 and M3 Max 14-Core 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) | no data |
| Socket | TR4 | no data |
| Power consumption (TDP) | 120 Watt | 78 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7251 and M3 Max 14-Core. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7251 and M3 Max 14-Core are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7251 and M3 Max 14-Core. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | no data |
| Maximum memory size | 2 TiB | no data |
| Max memory channels | 8 | no data |
| Maximum memory bandwidth | 153.652 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Apple M3 Max 30-Core GPU |
Peripherals
Specifications and connection of peripherals supported by EPYC 7251 and M3 Max 14-Core.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 128 | no data |
Synthetic benchmarks
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 8.50 | 20.78 |
| Recency | 29 June 2017 | 30 October 2023 |
| Physical cores | 8 | 14 |
| Threads | 16 | 14 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 120 Watt | 78 Watt |
EPYC 7251 has 14.3% more threads.
Apple M3 Max 14-Core, on the other hand, has a 144.5% higher aggregate performance score, an age advantage of 6 years, 75% more physical cores, a 366.7% more advanced lithography process, and 53.8% lower power consumption.
The Apple M3 Max 14-Core is our recommended choice as it beats the AMD EPYC 7251 in performance tests.
Be aware that EPYC 7251 is a server/workstation processor while Apple M3 Max 14-Core is a notebook one.
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