AMD EPYC 7281 vs AMD EPYC 7551P
Comparative analysis of AMD EPYC 7281 and AMD EPYC 7551P processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.
Differences
Reasons to consider the AMD EPYC 7281
- Around 6% lower typical power consumption: 155/170 Watt vs 180 Watt
Max number of CPUs in a configuration | 2 vs 1 |
Thermal Design Power (TDP) | 155/170 Watt vs 180 Watt |
Reasons to consider the AMD EPYC 7551P
- 16 more cores, run more applications at once: 32 vs 16
- 32 more threads: 64 vs 32
- Around 11% higher clock speed: 3 GHz vs 2.7 GHz
- 2x more L1 cache, more data can be stored in the L1 cache for quick access later
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
- 2x more L3 cache, more data can be stored in the L3 cache for quick access later
- Around 9% better performance in PassMark - Single thread mark: 1770 vs 1626
- Around 76% better performance in PassMark - CPU mark: 38126 vs 21621
Specifications (specs) | |
Number of cores | 32 vs 16 |
Number of threads | 64 vs 32 |
Maximum frequency | 3 GHz vs 2.7 GHz |
L1 cache | 96 KB (per core) vs 96 KB (per core) |
L2 cache | 512 KB (per core) vs 512 KB (per core) |
L3 cache | 64 MB vs 32 MB |
Benchmarks | |
PassMark - Single thread mark | 1770 vs 1626 |
PassMark - CPU mark | 38126 vs 21621 |
Compare benchmarks
CPU 1: AMD EPYC 7281
CPU 2: AMD EPYC 7551P
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | AMD EPYC 7281 | AMD EPYC 7551P |
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PassMark - Single thread mark | 1626 | 1770 |
PassMark - CPU mark | 21621 | 38126 |
Geekbench 4 - Single Core | 609 | |
Geekbench 4 - Multi-Core | 6648 |
Compare specifications (specs)
AMD EPYC 7281 | AMD EPYC 7551P | |
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Essentials |
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Architecture codename | Zen | Zen |
Family | AMD EPYC | AMD EPYC |
Launch date | June 2017 | June 2017 |
Place in performance rating | 1190 | 1235 |
Series | AMD EPYC 7000 Series | AMD EPYC 7000 Series |
Vertical segment | Server | Server |
Performance |
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64 bit support | ||
Base frequency | 2.1 GHz | 2 GHz |
Die size | 192 mm | 192 mm |
L1 cache | 96 KB (per core) | 96 KB (per core) |
L2 cache | 512 KB (per core) | 512 KB (per core) |
L3 cache | 32 MB | 64 MB |
Manufacturing process technology | 14 nm | 14 nm |
Maximum frequency | 2.7 GHz | 3 GHz |
Number of cores | 16 | 32 |
Number of threads | 32 | 64 |
Transistor count | 4800 million | 4800 million |
Unlocked | ||
Memory |
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Max memory channels | 8 | 8 |
Maximum memory bandwidth | 307/341 GB/s | 341 GB/s |
Supported memory frequency | 2400/2666 MHz | 2666 MHz |
Supported memory types | DDR4 | DDR4 |
Compatibility |
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Max number of CPUs in a configuration | 2 | 1 |
Socket Count | 1P/2P | 1P |
Sockets supported | TR4 | TR4 |
Thermal Design Power (TDP) | 155/170 Watt | 180 Watt |
Peripherals |
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PCI Express revision | x128 | x128 |
Virtualization |
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AMD Virtualization (AMD-V™) |