AMD Phenom X3 8400 vs Intel Core 2 Extreme QX9650
Physical Specifications
| Socket | AMD Socket AM2+ | Intel Socket 775 |
|---|---|---|
| Process size | 65 nm | 45 nm |
| Transistors | 450 million | 820 million |
| Die size | 285 mm² | 2x 107 mm² |
| Package | µPGA | FC-LGA4 |
| Foundry | — | Intel |
| tCaseMax | — | 64°C |
Performance
| Frequency | 2.1 GHz | 3 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 200 MHz | 333 MHz |
| Multiplier | 10.5x | 9.0x |
| Multiplier unlocked | No | Yes |
| Voltage | 1.25 V | 1.25 V |
| TDP | 95 W | 130 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Mar 27th, 2008 | Nov 30th, 2007 |
| Codename | Toliman | Yorkfield |
| Generation | Phenom X3 | Core 2 Extreme |
| Part | HD8400WCJ3BGD | SLAN3 |
| Memory support | unknown Dual-channel | DDR1, DDR2, DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 2 | Gen 2 |
Cores
| Total Cores | 3 | 4 |
|---|---|---|
| Total Threads | 3 | 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 | 2MB (shared) | — |
Notes
| Notes | Processor with the older B2 revision and TLB Bug. | 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. Also available with C1 Stepping, Part #: SLAWN, R |
|---|
Features & Technologies
| 3DNow! | Yes | — |
|---|---|---|
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| CnQ | Yes | — |
| EIST | — | Yes |
| HT3.0 | Yes | — |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | — | Yes |
| SSE4A | Yes | — |
| SSSE3 | — | Yes |
| VT-x | — | Yes |
