AMD Epyc 7642 vs AMD Athlon X4 940
VS
AMD Epyc 7642
AMD Athlon X4 940
Key Differences
Performance
Features
General info
Memory
AMD Epyc 7642
AMD Athlon X4 940
Key Differences
|
AMD Epyc 7642 | AMD Athlon X4 940 |
|---|---|---|
| Cores | 48 | 4 |
| CPU Threads | 96 | 4 |
| Base Clock Speed | 2.3GHz | 3.2GHz |
| Turbo Clock Speed | 3.3GHz | 3.6GHz |
| TDP (THERMAL DESIGN POINT) | 225W | 65W |
| Has integrated graphics |  No
|
No
|
| Performance per watt | Not Known | Not Known |
Performance
|
AMD Epyc 7642 | AMD Athlon X4 940 |
|---|---|---|
| CPU Speed & Cores | 48 x 2.3GHz | 4 x 3.2GHz |
| Number of CPU Threads | 96 | 4 |
| L2 Cache Size | 24MB | 2MB |
| L3 Cache Size | 256MB | Not Known |
| Turbo Boost Frequency | 3.3GHz | 3.6GHz |
| L1 Cache Size | 3072KB | 320KB |
| L2 Core | 0.5MB/core | 0.5MB/core |
| L3 Core | 5.33MB/core | Not Known |
| Does it have an unlocked multiplier | No
|
 Yes
|
| Uses ARM big.LITTLE tech | No
|
No
|
| Uses ARM HMP | No
|
No
|
Features
|
AMD Epyc 7642 | AMD Athlon X4 940 |
|---|---|---|
| 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
|
Yes
|
| Has Multithreading Tech Support | Yes
|
No
|
| Has NX Processor Bit Support | Yes
|
No
|
| Has FMA3 Instructions Support | Yes
|
Yes
|
| Supports CPU Throttling | No
|
No
|
| Supports ARM TrustZone Tech | No
|
No
|
General info
|
AMD Epyc 7642 | AMD Athlon X4 940 |
|---|---|---|
| Has 64-bit Support | No Data Found | No Data Found |
| Semiconductor Size | 14nm | 28nm |
| TDP (Thermal Design Point) | 225W | 65W |
| PCI Express Version | 4 | 3 |
| Does it have Integrated Graphics | No
|
No
|
| Supports Power Optimized L2 Cache | No
|
No
|
Memory
|
AMD Epyc 7642 | AMD Athlon X4 940 |
|---|---|---|
| RAM Memory Speed | 3200MHz | 2400MHz |
| Max Memory Bandwidth | 190.7GB/s | 38.4GB/s |
| Max Memory Channels | 8 | 2 |
| Supported Memory Size | 4000GB | Not Known |
| ECC (Error-Correcting Code) Memory Support | Yes
|
No
|
| DDR Type Memory Version | 4 | Not Known |
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