AMD FX-8320 vs Intel Xeon E3-1275 v2
Physical Specifications
| Socket | AMD Socket AM3+ | Intel Socket 1155 |
|---|---|---|
| Process size | 32 nm | 22 nm |
| Transistors | 1,200 million | 1,400 million |
| Die size | 315 mm² | 160 mm² |
| Package | µPGA | FC-LGA12C |
| Foundry | — | Intel |
Performance
| Frequency | 3.5 GHz | 3.5 GHz |
|---|---|---|
| Turbo clock | up to 4 GHz | up to 3.9 GHz |
| Base clock | 200 MHz | 100 MHz |
| Multiplier | 17.5x | 35.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.425 V | — |
| TDP | 125 W | 77 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | unknown | unknown |
| Release date | Oct 23rd, 2012 | May 14th, 2012 |
| Codename | Vishera | Ivy Bridge |
| Generation | FX | Xeon E3 |
| Part | FD8320FRW8KHKFD8320FRHKBOX | SR0PA |
| Memory support | DDR3 Dual-channel | DDR3 Dual-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2 | Gen 3, 16 Lanes(CPU only) |
Cores
| Total Cores | 8 | 4 |
|---|---|---|
| Total Threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | Intel HD P4000 |
Cache
| Cache L1 | 384K | 64K (per core) |
|---|---|---|
| Cache L2 | 8MB | 256K (per core) |
| Cache L3 | 8MB (shared) | 8MB (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 unlocked multiplier, allowing users to set the multiplier value higher than the shipped | Intel HD P4000 frequency: 650-1250MHz |
|---|
Features & Technologies
| AES | Yes | — |
|---|---|---|
| AES-NI | — | Yes |
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| AVX | Yes | Yes |
| CLMUL | Yes | — |
| CVT16 | Yes | — |
| ECC | — | Yes |
| EIST | — | Yes |
| EVP | Yes | — |
| FMA4 | Yes | — |
| HT3.1 | 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 |
| TXT | — | Yes |
| Turbo Core | Yes | — |
| VT-d | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
| XOP | Yes | — |
