Intel Core 2 Extreme QX9770 vs Intel Pentium B940
Physical Specifications
| Socket | Intel Socket 775 | Intel Socket G2 (988B) |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 45 nm | 32 nm |
| Transistors | 820 million | 504 million |
| Die size | 2x 107 mm² | 131 mm² |
| Package | FC-LGA4 | rPGA |
| tCaseMax | 55°C | — |
Performance
| Frequency | 3.2 GHz | 2000 MHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 400 MHz | 100 MHz |
| Multiplier | 8.0x | 20.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.35 V | — |
| TDP | 136 W | 35 W |
Architecture Details
| Vertical Segment | Desktop | Mobile |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Mar 24th, 2008 | Jun 19th, 2011 |
| Codename | Yorkfield | Sandy Bridge |
| Generation | Core 2 Extreme | Pentium |
| Part | SLAWM | SR07S |
| Memory support | DDR1, DDR2, DDR3 Dual-channel | DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 2 | — |
Cores
| Total Cores | 4 | 2 |
|---|---|---|
| Total Threads | 4 | 2 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | Intel HD (Sandy Bridge) |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 12MB (shared) | 256K (per core) |
| Cache L3 | — | 2MB (shared) |
Notes
| Notes | 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
| EIST | Yes | Yes |
|---|---|---|
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | Yes |
| SSE4.2 | — | Yes |
| SSSE3 | Yes | Yes |
| Smart Cache | — | Yes |
| VT-x | Yes | — |
| XD bit | — | Yes |
