AMD FX-8120 vs Intel Xeon E5520
Physical Specifications
| Socket | AMD Socket AM3+ | Intel Socket 1366 |
|---|---|---|
| Process size | 32 nm | 45 nm |
| Transistors | 1,200 million | 731 million |
| Die size | 315 mm² | 263 mm² |
| Package | µPGA | FC-LGA8 |
| Foundry | — | Intel |
Performance
| Frequency | 3.1 GHz | 2.266 GHz |
|---|---|---|
| Turbo clock | up to 4 GHz | up to 2.533 GHz |
| Base clock | 200 MHz | 133 MHz |
| Multiplier | 15.5x | 17.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.425 V | 1.35 V |
| TDP | 125 W | 80 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Oct 12th, 2011 | Mar 30th, 2009 |
| Codename | Zambezi | Gainestown |
| Generation | FX | Xeon |
| Part | FD8120FRGUBOXFD8120FRW8KGU | SLBFD |
| Memory support | DDR3 Dual-channel | DDR3 Triple-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2 | Gen 2 |
Cores
| Total Cores | 8 | 4 |
|---|---|---|
| Total Threads | 8 | 8 |
| SMP # CPUs | 1 | 2 |
| Integrated graphics | — | — |
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 | — |
|---|
Features & Technologies
| AES | Yes | — |
|---|---|---|
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| AVX | Yes | — |
| CLMUL | Yes | — |
| CVT16 | 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-x | — | Yes |
| XD-Bit | — | Yes |
| XOP | Yes | — |
