AMD Epyc 7551 vs AMD Ryzen Threadripper 1900X
VS
AMD Epyc 7551
AMD Ryzen Threadripper 1900X
Key Differences
Performance
Features
General info
Memory
Benchmarks
AMD Epyc 7551
AMD Ryzen Threadripper 1900X
Key Differences
|
AMD Epyc 7551 | AMD Ryzen Threadripper 1900X |
|---|---|---|
| Cores | 32 | 8 |
| CPU Threads | 64 | 16 |
| Base Clock Speed | 2GHz | 3.8GHz |
| Turbo Clock Speed | 3GHz | 4GHz |
| TDP (THERMAL DESIGN POINT) | 180W | 180W |
| Has integrated graphics |  No
|
No
|
| Performance per watt | Not Known | 37.5 |
Performance
|
AMD Epyc 7551 | AMD Ryzen Threadripper 1900X |
|---|---|---|
| CPU Speed & Cores | 32 x 2GHz | 8 x 3.8GHz |
| Number of CPU Threads | 64 | 16 |
| L2 Cache Size | 16MB | 4MB |
| L3 Cache Size | 64MB | 16MB |
| Turbo Boost Frequency | 3GHz | 4GHz |
| L1 Cache Size | 3072KB | 768KB |
| L2 Core | 0.5MB/core | 0.5MB/core |
| L3 Core | 2MB/core | 2MB/core |
| Does it have an unlocked multiplier | No
|
 Yes
|
| Uses ARM big.LITTLE tech | No
|
No
|
| Uses ARM HMP | No
|
No
|
Features
|
AMD Epyc 7551 | AMD Ryzen Threadripper 1900X |
|---|---|---|
| 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
|
Yes
|
| Has NX Processor Bit Support | Yes
|
Yes
|
| Has FMA3 Instructions Support | Yes
|
Yes
|
| Supports CPU Throttling | No
|
No
|
| Supports ARM TrustZone Tech | No
|
No
|
| Has FMA4 Instructions Support | No
|
No
|
| Has Multithreading Tech Support | No
|
Yes
|
General info
|
AMD Epyc 7551 | AMD Ryzen Threadripper 1900X |
|---|---|---|
| Has 64-bit Support | No Data Found | No Data Found |
| Semiconductor Size | 14nm | 14nm |
| TDP (Thermal Design Point) | 180W | 180W |
| PCI Express Version | 3 | 3 |
| Transistor Count | 19200 million | Not Known |
| Does it have Integrated Graphics | No
|
No
|
| CPU Temperature | Not Known | 68°C |
| Supports Power Optimized L2 Cache | No
|
No
|
Memory
|
AMD Epyc 7551 | AMD Ryzen Threadripper 1900X |
|---|---|---|
| RAM Memory Speed | 2666MHz | 2667MHz |
| Max Memory Bandwidth | 341GB/s | 85.3GB/s |
| Max Memory Channels | 8 | 4 |
| Supported Memory Size | 2000GB | 2000GB |
| ECC (Error-Correcting Code) Memory Support | Yes
|
Yes
|
| DDR Type Memory Version | 4 | 4 |
Benchmarks
|
AMD Epyc 7551 | AMD Ryzen Threadripper 1900X |
|---|---|---|
| PassMark Score | 19606 | 17335 |
| PassMark Score (Single Thread) | 1660 | 2374 |
| Geekbench 5 Score (Multi-Thread) | Not Known | 6758 |
| Cinebench R20 Score (Multi-Thread) | Not Known | 3678 |
| Cinebench R20 Score (Single Thread) | Not Known | 403 |
| Geekbench 5 Score (Single Thread) | Not Known | 993 |
| Blender Score (bmw27) | Not Known | 230.5seconds |
| Blender Score (Classroom) | Not Known | 733.9seconds |
| PassMark Score (Overclocked) | Not Known | 18254 |
| CPU Performance (Per Watt) | Not Known | 37.5 |
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