AMD Opteron 6378 vs Intel Core i7-3820
Physical Specifications
| Socket | AMD Socket G34 | Intel Socket 2011 |
|---|---|---|
| Process size | 32 nm | 32 nm |
| Transistors | 2,400 million | 1,270 million |
| Die size | 315 mm² | 294 mm² |
| Package | — | FC-LGA10 |
| Foundry | — | Intel |
| tCaseMax | — | 67°C |
Performance
| Frequency | 2.4 GHz | 3.6 GHz |
|---|---|---|
| Turbo clock | up to 3.3 GHz | up to 3.8 GHz |
| Base clock | 200 MHz | 100 MHz |
| Multiplier | 12.0x | 36.0x |
| Multiplier unlocked | No | Yes |
| TDP | 115 W | 130 W |
| Voltage | — | 1.35 V |
Architecture Details
| Vertical Segment | Server/Workstation | Desktop |
|---|---|---|
| Production status | unknown | unknown |
| Release date | Nov 5th, 2012 | Feb 13th, 2012 |
| Codename | Abu Dhabi | Sandy Bridge-E |
| Generation | Opteron | Core i7 |
| Part | OS6378WKTGGHKOS6378WKTGGHKWOF | SR0LD |
| Memory support | DDR3 | DDR3 Quad-channel |
| ECC memory | No | No |
| PCI Express | Gen 2 | Gen 3 |
Cores
| Total Cores | 16 | 4 |
|---|---|---|
| Total Threads | 16 | 8 |
| SMP # CPUs | 4 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 768K | 64K (per core) |
|---|---|---|
| Cache L2 | 16MB | 256K (per core) |
| Cache L3 | 8MB (per die) | 10MB (shared) |
Notes
| Notes | 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). | This processor comes with an partially unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. The maximum multiplier value is 45. |
|---|
Features & Technologies
| AES | Yes | — |
|---|---|---|
| AES-NI | — | Yes |
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| AVX | Yes | Yes |
| AVX 1.1 | Yes | — |
| CLMUL | Yes | — |
| CVT16 | Yes | — |
| EIST | — | Yes |
| F16C | Yes | — |
| FMA3 | Yes | — |
| FMA4 | Yes | — |
| HTT | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | Yes |
| SSE4A | Yes | — |
| SSSE3 | Yes | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
| XOP | Yes | — |
