AMD Athlon 64 X2 6400+ BE vs Intel Core 2 Extreme QX9770
Physical Specifications
| Socket | AMD Socket AM2 | Intel Socket 775 |
|---|---|---|
| Process size | 90 nm | 45 nm |
| Transistors | 227 million | 820 million |
| Die size | 230 mm² | 2x 107 mm² |
| Package | µPGA | FC-LGA4 |
| Foundry | — | Intel |
| tCaseMax | — | 55°C |
Performance
| Frequency | 3.2 GHz | 3.2 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 200 MHz | 400 MHz |
| Multiplier | 16.0x | 8.0x |
| Multiplier unlocked | Yes | Yes |
| Voltage | 1.35 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 | Aug 20th, 2007 | Mar 24th, 2008 |
| Codename | Windsor | Yorkfield |
| Generation | Athlon 64 X2 | Core 2 Extreme |
| Part | ADX6400IAA6CZ | SLAWM |
| Memory support | unknown Dual-channel | DDR1, DDR2, DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 2 | Gen 2 |
Cores
| Total Cores | 2 | 4 |
|---|---|---|
| Total Threads | 2 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 256K | 64K (per core) |
|---|---|---|
| Cache L2 | 1MB | 12MB (shared) |
Notes
| Notes | This CPU features an unlocked FSB multiplier, allowing the user to set the multiplier higher than its rated value. 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 | — |
| Dual-Core | Yes | — |
| EIST | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | — | Yes |
| SSSE3 | — | Yes |
| VT-x | — | Yes |
