AMD Ryzen Threadripper 3990X vs AMD Epyc 7742
VS
AMD Ryzen Threadripper 3990X
AMD Epyc 7742
Key Differences
Performance
Features
General info
Memory
Benchmarks
AMD Ryzen Threadripper 3990X
AMD Epyc 7742
Key Differences
|
AMD Ryzen Threadripper 3990X | AMD Epyc 7742 |
|---|---|---|
| Cores | 64 | 64 |
| CPU Threads | 128 | 128 |
| Base Clock Speed | 2.9GHz | 2.25GHz |
| Turbo Clock Speed | 4.3GHz | 3.4GHz |
| TDP (THERMAL DESIGN POINT) | 280W | 225W |
| Has integrated graphics |  No
|
No
|
| Performance per watt | 88.9 | 66.7 |
Performance
|
AMD Ryzen Threadripper 3990X | AMD Epyc 7742 |
|---|---|---|
| CPU Speed & Cores | 64 x 2.9GHz | 64 x 2.25GHz |
| Number of CPU Threads | 128 | 128 |
| L2 Cache Size | 32MB | 32MB |
| L3 Cache Size | 256MB | 256MB |
| Turbo Boost Frequency | 4.3GHz | 3.4GHz |
| L1 Cache Size | 4000KB | 4096KB |
| L2 Core | 0.5MB/core | 0.5MB/core |
| Does it have an unlocked multiplier |  Yes
|
No
|
| L3 Core | 4MB/core | 4MB/core |
| Clock Multiplier | 29 | Not Known |
| Uses ARM big.LITTLE tech | No
|
No
|
| Uses ARM HMP | No
|
No
|
Features
|
AMD Ryzen Threadripper 3990X | AMD Epyc 7742 |
|---|---|---|
| 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 Ryzen Threadripper 3990X | AMD Epyc 7742 |
|---|---|---|
| Has 64-bit Support | No Data Found | No Data Found |
| Semiconductor Size | 7nm | 14nm |
| TDP (Thermal Design Point) | 280W | 225W |
| PCI Express Version | 4 | 4 |
| CPU Temperature | 68°C | Not Known |
| Does it have Integrated Graphics | No
|
No
|
| Supports Power Optimized L2 Cache | No
|
No
|
Memory
|
AMD Ryzen Threadripper 3990X | AMD Epyc 7742 |
|---|---|---|
| RAM Memory Speed | 3200MHz | 3200MHz |
| Max Memory Bandwidth | 95.37GB/s | 190.7GB/s |
| Max Memory Channels | 4 | 8 |
| ECC (Error-Correcting Code) Memory Support | Yes
|
Yes
|
| DDR Type Memory Version | 4 | 4 |
| Supported Memory Size | Not Known | 4000GB |
Benchmarks
|
AMD Ryzen Threadripper 3990X | AMD Epyc 7742 |
|---|---|---|
| PassMark Score | 80633 | 67185 |
| PassMark Score (Single Thread) | 2551 | 2376 |
| Geekbench 5 Score (Multi-Thread) | 24898 | 15005 |
| Cinebench R20 Score (Single Thread) | 495 | 398 |
| Cinebench R20 Score (Multi-Thread) | 24763 | 20644 |
| Geekbench 5 Score (Single Thread) | 1207 | 725 |
| Blender Score (Classroom) | 88.6seconds | 95.8seconds |
| Blender Score (bmw27) | 30seconds | 33.9seconds |
| CPU Performance (Per Watt) | 88.9 | 66.7 |
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