AMD Epyc 7742 vs AMD Ryzen Threadripper 3970X
VS
AMD Epyc 7742
AMD Ryzen Threadripper 3970X
Key Differences
Performance
Features
General info
Memory
Benchmarks
AMD Epyc 7742
AMD Ryzen Threadripper 3970X
Key Differences
|
AMD Epyc 7742 | AMD Ryzen Threadripper 3970X |
|---|---|---|
| Cores | 64 | 32 |
| CPU Threads | 128 | 64 |
| Base Clock Speed | 2.25GHz | 3.7GHz |
| Turbo Clock Speed | 3.4GHz | 4.5GHz |
| TDP (THERMAL DESIGN POINT) | 225W | 280W |
| Has integrated graphics |  No
|
No
|
| Performance per watt | 66.7 | 81.8 |
Performance
|
AMD Epyc 7742 | AMD Ryzen Threadripper 3970X |
|---|---|---|
| CPU Speed & Cores | 64 x 2.25GHz | 32 x 3.7GHz |
| Number of CPU Threads | 128 | 64 |
| L2 Cache Size | 32MB | 16MB |
| L3 Cache Size | 256MB | 128MB |
| Turbo Boost Frequency | 3.4GHz | 4.5GHz |
| L1 Cache Size | 4096KB | 3000KB |
| L2 Core | 0.5MB/core | 0.5MB/core |
| L3 Core | 4MB/core | 4MB/core |
| Does it have an unlocked multiplier | No
|
 Yes
|
| Uses ARM big.LITTLE tech | No
|
No
|
| Uses ARM HMP | No
|
No
|
Features
|
AMD Epyc 7742 | AMD Ryzen Threadripper 3970X |
|---|---|---|
| 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 FMA4 Instructions Support | No
|
No
|
| Has Multithreading Tech 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
|
General info
|
AMD Epyc 7742 | AMD Ryzen Threadripper 3970X |
|---|---|---|
| Has 64-bit Support | No Data Found | No Data Found |
| Semiconductor Size | 14nm | 7nm |
| TDP (Thermal Design Point) | 225W | 280W |
| PCI Express Version | 4 | 4 |
| Does it have Integrated Graphics | No
|
No
|
| CPU Temperature | Not Known | 68°C |
| Supports Power Optimized L2 Cache | No
|
No
|
Memory
|
AMD Epyc 7742 | AMD Ryzen Threadripper 3970X |
|---|---|---|
| RAM Memory Speed | 3200MHz | 3200MHz |
| Max Memory Bandwidth | 190.7GB/s | 95.37GB/s |
| Max Memory Channels | 8 | 4 |
| Supported Memory Size | 4000GB | Not Known |
| ECC (Error-Correcting Code) Memory Support | Yes
|
Yes
|
| DDR Type Memory Version | 4 | 4 |
Benchmarks
|
AMD Epyc 7742 | AMD Ryzen Threadripper 3970X |
|---|---|---|
| PassMark Score | 67185 | 64262 |
| PassMark Score (Single Thread) | 2376 | 2716 |
| Geekbench 5 Score (Multi-Thread) | 15005 | 22917 |
| Cinebench R20 Score (Multi-Thread) | 20644 | 17444 |
| Cinebench R20 Score (Single Thread) | 398 | 509 |
| Geekbench 5 Score (Single Thread) | 725 | 1258 |
| Blender Score (bmw27) | 33.9seconds | 47.4seconds |
| Blender Score (Classroom) | 95.8seconds | 143.5seconds |
| CPU Performance (Per Watt) | 66.7 | 81.8 |
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