AMD EPYC 7401P vs AMD Opteron 6386 SE
Physical Specifications
| Socket | AMD Socket SP3 | AMD Socket G34 |
|---|---|---|
| Foundry | GlobalFoundries | — |
| Process size | 14 nm | 32 nm |
| Transistors | 4,800 million | 2,400 million |
| Die size | 213 mm² | 315 mm² |
| Package | FCLGA-4094 | — |
| tCaseMax | 85°C | — |
Performance
| Frequency | 2000 MHz | 2.8 GHz |
|---|---|---|
| Turbo clock | up to 3 GHz | up to 3.5 GHz |
| Base clock | 100 MHz | 200 MHz |
| Multiplier | 20.0x | 14.0x |
| Multiplier unlocked | Yes | No |
| TDP | 170 W | 140 W |
Architecture Details
| Vertical Segment | Server/Workstation | Server/Workstation |
|---|---|---|
| Production status | Active | unknown |
| Release date | Jun 29th, 2017 | Nov 5th, 2012 |
| Codename | Naples | Abu Dhabi |
| Generation | EPYC | Opteron |
| Part | PS740PBEVHCAF | OS6386YETGGHK |
| Memory support | DDR4-2666 MHz Eight-channel | DDR3 |
| ECC memory | Yes | No |
| PCI Express | Gen 3 | Gen 2 |
Cores
| Total Cores | 24 | 16 |
|---|---|---|
| Total Threads | 48 | 16 |
| SMP # CPUs | 1 | 4 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 96K (per core) | 768K |
|---|---|---|
| Cache L2 | 512K (per core) | 16MB |
| Cache L3 | 64MB (shared) | 8MB (per die) |
Notes
| Notes | This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. | 16KB L1 data cache per core. 64KB L1 instruction cache shared per two cores (per module). 2MB L2 cache shared per two cores (per module). |
|---|
Features & Technologies
| ABM | Yes | — |
|---|---|---|
| ADX | Yes | — |
| AES | Yes | Yes |
| AMD-V | Yes | Yes |
| AMD-Vi | Yes | — |
| AMD64 | — | Yes |
| AVX | Yes | Yes |
| AVX 1.1 | — | Yes |
| AVX2 | Yes | — |
| BMI1 | Yes | — |
| BMI2 | Yes | — |
| CLMUL | Yes | Yes |
| CVT16 | — | Yes |
| EMMX | Yes | — |
| F16C | Yes | Yes |
| FMA3 | Yes | Yes |
| FMA4 | — | Yes |
| FPU | Yes | — |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| Protected | Yes | — |
| RdRand | Yes | — |
| Real | Yes | — |
| SEV | Yes | — |
| SHA | Yes | — |
| SME | Yes | — |
| SMM | Yes | — |
| SMT | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSE4A | Yes | Yes |
| SSSE3 | Yes | Yes |
| SenseMi | Yes | — |
| TSME | Yes | — |
| XOP | — | Yes |
