AMD Phenom II X4 955 BE vs Intel Core 2 Quad Q9550
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-LGA6 |
| Foundry | — | Intel |
| tCaseMax | — | 71°C |
Performance
| Frequency | 3.2 GHz | 2.833 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 200 MHz | 333 MHz |
| Multiplier | 16.0x | 8.5x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.5 V | 1.11 V |
| TDP | 125 W | 95 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Apr 23rd, 2009 | Mar 25th, 2008 |
| Codename | Deneb | Yorkfield |
| Generation | Phenom II X4 | Core 2 Quad |
| Part | HDZ955FBK4DGIHDZ955FBGIBOXHDZ955FBK4DGMHDZ955FBGMBOX | SLAWQSLB8V |
| 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 FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Black Edition label. | Also available with E0 Stepping, Part #: SLB8V, Released in August 2008 |
|---|
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 | — |
| TXT | — | Yes |
| VT-x | — | Yes |
| iAMT2 | — | Yes |
