AMD Athlon 64 X2 6400+ BE vs AMD Athlon X2 7750 BE
Physical Specifications
| Socket | AMD Socket AM2 | AMD Socket AM2+ |
|---|---|---|
| Process size | 90 nm | 65 nm |
| Transistors | 227 million | 450 million |
| Die size | 230 mm² | 285 mm² |
| Package | µPGA | µPGA |
Performance
| Frequency | 3.2 GHz | 2.7 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 200 MHz | 200 MHz |
| Multiplier | 16.0x | 13.5x |
| Multiplier unlocked | Yes | Yes |
| Voltage | 1.35 V | 1.325 V |
| TDP | 125 W | 95 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Aug 20th, 2007 | Dec 15th, 2008 |
| Codename | Windsor | Kuma |
| Generation | Athlon 64 X2 | Athlon X2 |
| Part | ADX6400IAA6CZ | AD775ZWCJ2BGH |
| Memory support | unknown Dual-channel | unknown Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 2 | Gen 2 |
Cores
| Total Cores | 2 | 2 |
|---|---|---|
| Total Threads | 2 | 2 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 256K | 128K (per core) |
|---|---|---|
| Cache L2 | 1MB | 512K (per core) |
| Cache L3 | — | 2MB (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 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 | Yes |
|---|---|---|
| AMD-V | Yes | Yes |
| AMD64 | Yes | Yes |
| CnQ | — | Yes |
| Dual-Core | Yes | — |
| HT3.0 | — | Yes |
| MMX | Yes | Yes |
| NX bit | — | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4A | — | Yes |
