AMD Athlon II X3 400e vs AMD Phenom II X2 555 BE
Physical Specifications
| Socket | AMD Socket AM3 | AMD Socket AM3 |
|---|---|---|
| Process size | 45 nm | 45 nm |
| Transistors | 300 million | 758 million |
| Die size | 169 mm² | 258 mm² |
| Package | µPGA | µPGA |
Performance
| Frequency | 2.2 GHz | 3.2 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 200 MHz | 200 MHz |
| Multiplier | 11.0x | 16.0x |
| Multiplier unlocked | No | Yes |
| Voltage | 1.25 V | 1.4 V |
| TDP | 45 W | 80 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Oct 20th, 2009 | Jan 25th, 2010 |
| Codename | Rana | Callisto |
| Generation | Athlon II X3 | Phenom II X2 |
| Part | AD400EHDK32GIAD405EHDGIBOX | HDZ555WFK2DGMHDZ555WFGMBOX |
| Memory support | DDR3 Dual-channel | DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 2 | Gen 2 |
Cores
| Total Cores | 3 | 2 |
|---|---|---|
| Total Threads | 3 | 2 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 128K (per core) | 128K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 512K (per core) |
| Cache L3 | — | 6MB (shared) |
Features & Technologies
| 3DNow! | Yes | Yes |
|---|---|---|
| AMD-V | Yes | Yes |
| AMD64 | Yes | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4A | Yes | Yes |
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. |
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