AMD Epyc 7551 vs Intel Xeon E5-2643
VS
AMD Epyc 7551
Intel Xeon E5-2643
Key Differences
Performance
Features
General info
Memory
Benchmarks
AMD Epyc 7551
Intel Xeon E5-2643
Key Differences
|
AMD Epyc 7551 | Intel Xeon E5-2643 |
|---|---|---|
| Cores | 32 | 4 |
| CPU Threads | 64 | 8 |
| Base Clock Speed | 2GHz | 3.3GHz |
| Turbo Clock Speed | 3GHz | 3.5GHz |
| TDP (THERMAL DESIGN POINT) | 180W | 130W |
| Has integrated graphics |  No
|
No
|
| Performance per watt | Not Known | Not Known |
Performance
|
AMD Epyc 7551 | Intel Xeon E5-2643 |
|---|---|---|
| CPU Speed & Cores | 32 x 2GHz | 4 x 3.3GHz |
| Number of CPU Threads | 64 | 8 |
| L2 Cache Size | 16MB | 1MB |
| L3 Cache Size | 64MB | 10MB |
| Turbo Boost Frequency | 3GHz | 3.5GHz |
| L1 Cache Size | 3072KB | 256KB |
| L2 Core | 0.5MB/core | 0.25MB/core |
| L3 Core | 2MB/core | 2.5MB/core |
| Does it have an unlocked multiplier | No
|
No
|
| Uses ARM big.LITTLE tech | No
|
No
|
| Uses ARM HMP | No
|
No
|
| Clock Multiplier | Not Known | 33 |
Features
|
AMD Epyc 7551 | Intel Xeon E5-2643 |
|---|---|---|
| Has AES Support |  Yes
|
Yes
|
| Supported SSE Version | 4.2 | 4.2 |
| Has AVX Support | Yes
|
Yes
|
| Has MMX Tech Support | Yes
|
Yes
|
| Has F16C Support | Yes
|
No
|
| Has NX Processor Bit Support | Yes
|
Yes
|
| Has FMA3 Instructions Support | Yes
|
No
|
| Supports CPU Throttling | No
|
Yes
|
| Supports ARM TrustZone Tech | No
|
No
|
| Has FMA4 Instructions Support | No
|
No
|
| Has Multithreading Tech Support | No
|
Yes
|
General info
|
AMD Epyc 7551 | Intel Xeon E5-2643 |
|---|---|---|
| Has 64-bit Support | No Data Found | No Data Found |
| Semiconductor Size | 14nm | 32nm |
| TDP (Thermal Design Point) | 180W | 130W |
| PCI Express Version | 3 | 3 |
| Transistor Count | 19200 million | 2270 million |
| Does it have Integrated Graphics | No
|
No
|
| 3DMark06 Score | Not Known | No Data Found |
| Supports Power Optimized L2 Cache | No
|
No Data Found |
Memory
|
AMD Epyc 7551 | Intel Xeon E5-2643 |
|---|---|---|
| RAM Memory Speed | 2666MHz | 1600MHz |
| Max Memory Bandwidth | 341GB/s | 51.2GB/s |
| Max Memory Channels | 8 | 4 |
| Supported Memory Size | 2000GB | 750GB |
| ECC (Error-Correcting Code) Memory Support | Yes
|
Yes
|
| DDR Type Memory Version | 4 | Not Known |
| Bus Bandwidth | Not Known | 8GT/s |
Benchmarks
|
AMD Epyc 7551 | Intel Xeon E5-2643 |
|---|---|---|
| PassMark Score | 19606 | 8501 |
| PassMark Score (Single Thread) | 1660 | 1786 |
| Power Consumption Under High Load | Not Known | No Data Found |
| Standard Power Consumption | Not Known | No Data Found |
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