AMD Phenom II X4 975 BE vs Intel Xeon E3-1220L v2
Physical Specifications
| Socket | AMD Socket AM3 | Intel Socket 1155 |
|---|---|---|
| Process size | 45 nm | 22 nm |
| Transistors | 758 million | unknown |
| Die size | 258 mm² | unknown |
| Package | µPGA | FC-LGA12C |
| Foundry | — | Intel |
Performance
| Frequency | 3.6 GHz | 2.3 GHz |
|---|---|---|
| Turbo clock | — | up to 3.5 GHz |
| Base clock | 2000 MHz | 100 MHz |
| Multiplier | 18.0x | 23.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.4 V | — |
| TDP | 125 W | 17 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | End-of-life | unknown |
| Release date | Jan 4th, 2011 | May 14th, 2012 |
| Codename | Deneb | Ivy Bridge |
| Generation | Phenom II X4 | Xeon E3 |
| Part | HDZ975FBK4DGMHDZ975FBGMBOX | SR0R6 |
| 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 | 4 | 2 |
|---|---|---|
| Total Threads | 4 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 128K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 256K (per core) |
| Cache L3 | 6MB (shared) | 8MB (shared) |
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. It is branded under the Black Edition label. | — |
|---|
Features & Technologies
| 3DNow! | Yes | — |
|---|---|---|
| AES-NI | — | Yes |
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| AVX | — | Yes |
| ECC | — | Yes |
| EIST | — | Yes |
| HTT | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | — | Yes |
| SSE4A | Yes | — |
| SSSE3 | — | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
