Intel Core i7-3940XM vs Intel Core i7-8550U
Physical Specifications
| Socket | Intel Socket G2 (988B) | Intel BGA 1356 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 22 nm | 14 nm |
| Transistors | 1,400 million | unknown |
| Die size | 160 mm² | 123 mm² |
| Package | FC-PGA12F | FC-BGA1356 |
| tCaseMax | — | 72°C |
Performance
| Frequency | 3 GHz | 1800 MHz |
|---|---|---|
| Turbo clock | up to 3.9 GHz | up to 4 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 30.0x | 18.0x |
| Multiplier unlocked | Yes | No |
| TDP | 55 W | 15 W |
Architecture Details
| Vertical Segment | Mobile | Mobile |
|---|---|---|
| Production status | End-of-life | Active |
| Release date | Sep 3rd, 2012 | Aug 21st, 2017 |
| Codename | Ivy Bridge | Kaby Lake-R |
| Generation | Core i7 | Core i7 |
| Part | SR0US | SR3LC |
| Memory support | DDR3 Dual-channel | DDR4 |
| ECC memory | No | No |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel HD 4000 | UHD 620 |
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 | 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 |
| AVX2 | — | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| Boost 2.0 | — | Yes |
| CLMUL | — | Yes |
| EIST | Yes | Yes |
| F16C | — | Yes |
| FMA3 | — | 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 |
| TSX | — | Yes |
| TXT | Yes | Yes |
| VT-d | Yes | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
