Intel Core i7-3840QM vs Intel Core i7-3940XM
Physical Specifications
| Socket | Intel BGA 1224 | Intel Socket G2 (988B) |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 22 nm | 22 nm |
| Transistors | 1,400 million | 1,400 million |
| Die size | 160 mm² | 160 mm² |
| Package | FC-BGA12F | FC-PGA12F |
Performance
| Frequency | 2.8 GHz | 3 GHz |
|---|---|---|
| Turbo clock | up to 3.8 GHz | up to 3.9 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 28.0x | 30.0x |
| Multiplier unlocked | No | Yes |
| TDP | 45 W | 55 W |
Architecture Details
| Vertical Segment | Mobile | Mobile |
|---|---|---|
| Production status | unknown | End-of-life |
| Release date | Sep 3rd, 2012 | Sep 3rd, 2012 |
| Codename | Ivy Bridge | Ivy Bridge |
| Generation | Core i7 | Core i7 |
| Part | SR0UU | SR0US |
| Memory support | DDR3 Dual-channel | DDR3 Dual-channel |
| ECC memory | No | No |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel HD 4000 | Intel HD 4000 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 8MB (shared) | 8MB (shared) |
Notes
| Notes | Intel HD 4000 frequency: 650-1250MHz | This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. Intel HD 4000 frequency: 650-1300MHz |
|---|
Features & Technologies
| AES-NI | Yes | Yes |
|---|---|---|
| AVX | Yes | Yes |
| EIST | Yes | Yes |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| TXT | Yes | Yes |
| VT-d | Yes | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
