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AMD EPYC 7551 vs AMD EPYC 7643
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
More benchmarks
Geekbench 6 (SC)
1,989 entries
1,989 entries
Geekbench 6 (MC)
1,927 entries
1,927 entries
Geekbench 5 (SC)
2,512 entries
2,512 entries
Geekbench 5 (MC)
2,483 entries
2,483 entries
PassMark CPU-Mark
2,504 entries
2,504 entries
Monero Hashrate
94 entries
94 entries
Cinebench R15 (SC)
1,113 entries
1,113 entries
Cinebench R15 (MC)
1,110 entries
1,110 entries
Geekbench 3 (SC)
945 entries
945 entries
Geekbench 3 (MC)
941 entries
941 entries
Cinebench R11.5 (SC)
826 entries
826 entries
Cinebench R11.5 (MC)
837 entries
837 entries
Specifications
At a glance
|
Wischen
|
AMD EPYC 7551 | AMD EPYC 7643 |
|---|---|---|
| Family | AMD EPYC (147) | AMD EPYC (147) |
| CPU group | AMD EPYC 7001 (12) | AMD EPYC 7003 (29) |
| Architecture | Naples (Zen) | Milan (Zen 3) |
| Technology | 14 nm | 7 nm |
| Segment | Server | Server |
| Socket | SP3 | SP3 |
| Predecessor | AMD EPYC 7642 | |
| Successor | AMD EPYC 7552 |
CPU Cores and Base Frequency
|
Wischen
|
AMD EPYC 7551 | AMD EPYC 7643 |
|---|---|---|
| CPU Cores / Threads | 32 / 64 | 48 / 96 |
| Hyperthreading / SMT | ✓ | ✓ |
| Core architecture | normal | normal |
| Cores: | 32x | 48x Zen 3 |
| Frequency: | 2.00 GHz | 2.30 GHz |
| Turbo (1 Core): | 3.00 GHz | 3.60 GHz |
| Turbo (All Cores): | 2.55 GHz | 3.40 GHz |
| L2-Cache | ||
| L3-Cache | 64.00 MB | 256.00 MB |
| Overclocking | ✗ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
AMD EPYC 7551 | AMD EPYC 7643 |
|---|---|---|
| GPU name | no iGPU | no iGPU |
| GPU frequency | ||
| CUs / Shader | / | / |
| Raytracing | ✗ | ✗ |
| Max. displays | ||
| Max. GPU Memory | ||
| Technology | ||
| Release date |
NPU AI performance
|
Wischen
|
AMD EPYC 7551 | AMD EPYC 7643 |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
AMD EPYC 7551 | AMD EPYC 7643 |
|---|---|---|
| Memory | DDR4-2666 (170.6 GB/s) | DDR4-3200 (204.8 GB/s) |
| Max. Memory | 4096 GB | |
| Memory channels | 8 | 8 |
| ECC | Yes | Yes |
| PCIe | 3.0 x 128 | 4.0 x 128 |
| PCIe Bandwidth | 126.1 GB/s | 252.0 GB/s |
Thermal Management
|
Wischen
|
AMD EPYC 7551 | AMD EPYC 7643 |
|---|---|---|
| TDP | 180 W | 240 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | 225 W | |
| T. junction max. |
Technical details
|
Wischen
|
AMD EPYC 7551 | AMD EPYC 7643 |
|---|---|---|
| Chip design | Chiplet | Chiplet |
| AES-NI | ✓ | ✓ |
| Operating systems | Windows 10, Linux | Windows 10, Linux |
| Instruction set | x86-64 (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| Release date | Q3/2017 | Q1/2021 |
| Release price | 3200 $ | 4995 $ |
| Documents | Technical data sheet | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of AMD EPYC 7551 is 4.0 stars (1 ratings), while AMD EPYC 7643 has received 5.0 stars (1 ratings).
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