AMD Athlon 64 X2 6400+ BE vs AMD Phenom II X2 550
Physical Specifications
| Socket | AMD Socket AM2 | AMD Socket AM3 |
|---|---|---|
| Process size | 90 nm | 45 nm |
| Transistors | 227 million | 758 million |
| Die size | 230 mm² | 258 mm² |
| Package | µPGA | µPGA |
Performance
| Frequency | 3.2 GHz | 3.1 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 200 MHz | 200 MHz |
| Multiplier | 16.0x | 15.5x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.35 V | 1.4 V |
| TDP | 125 W | 80 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Aug 20th, 2007 | Nov 4th, 2009 |
| Codename | Windsor | Callisto |
| Generation | Athlon 64 X2 | Phenom II X2 |
| Part | ADX6400IAA6CZ | HDX550WFK2DGMHDX550WFGMBOX |
| Memory support | unknown Dual-channel | DDR3 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 | — | 6MB (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. | — |
|---|
Features & Technologies
| 3DNow! | Yes | Yes |
|---|---|---|
| AMD-V | Yes | Yes |
| AMD64 | Yes | Yes |
| Dual-Core | Yes | — |
| MMX | Yes | Yes |
| NX bit | — | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4A | — | Yes |
