AMD Phenom II X4 975 BE vs Intel Xeon E5520
Physical Specifications
| Socket | AMD Socket AM3 | Intel Socket 1366 |
|---|---|---|
| Process size | 45 nm | 45 nm |
| Transistors | 758 million | 731 million |
| Die size | 258 mm² | 263 mm² |
| Package | µPGA | FC-LGA8 |
| Foundry | — | Intel |
Performance
| Frequency | 3.6 GHz | 2.266 GHz |
|---|---|---|
| Turbo clock | — | up to 2.533 GHz |
| Base clock | 2000 MHz | 133 MHz |
| Multiplier | 18.0x | 17.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.4 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 | Jan 4th, 2011 | Mar 30th, 2009 |
| Codename | Deneb | Gainestown |
| Generation | Phenom II X4 | Xeon |
| Part | HDZ975FBK4DGMHDZ975FBGMBOX | SLBFD |
| Memory support | DDR3 Dual-channel | DDR3 Triple-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2 | Gen 2 |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 4 | 8 |
| SMP # CPUs | 1 | 2 |
| 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 | — |
|---|---|---|
| AMD-V | Yes | — |
| AMD64 | 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-x | — | Yes |
| XD-Bit | — | Yes |
