AMD Phenom II X4 975 BE vs Intel Core 2 Extreme QX9770
Physical Specifications
| Socket | AMD Socket AM3 | Intel Socket 775 |
|---|---|---|
| Process size | 45 nm | 45 nm |
| Transistors | 758 million | 820 million |
| Die size | 258 mm² | 2x 107 mm² |
| Package | µPGA | FC-LGA4 |
| Foundry | — | Intel |
| tCaseMax | — | 55°C |
Performance
| Frequency | 3.6 GHz | 3.2 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 2000 MHz | 400 MHz |
| Multiplier | 18.0x | 8.0x |
| Multiplier unlocked | Yes | Yes |
| Voltage | 1.4 V | 1.35 V |
| TDP | 125 W | 136 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Jan 4th, 2011 | Mar 24th, 2008 |
| Codename | Deneb | Yorkfield |
| Generation | Phenom II X4 | Core 2 Extreme |
| Part | HDZ975FBK4DGMHDZ975FBGMBOX | SLAWM |
| Memory support | DDR3 Dual-channel | DDR1, DDR2, DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 2 | Gen 2 |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 4 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 128K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 12MB (shared) |
| Cache L3 | 6MB (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. | This processor comes with an unlocked FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. |
|---|
Features & Technologies
| 3DNow! | Yes | — |
|---|---|---|
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| EIST | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | — | Yes |
| SSE4A | Yes | — |
| SSSE3 | — | Yes |
| VT-x | — | Yes |
