Intel Core i5-8250U vs Intel Core i7-3940XM
Physical Specifications
| Socket | Intel BGA 1356 | Intel Socket G2 (988B) |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 14 nm | 22 nm |
| Transistors | unknown | 1,400 million |
| Die size | 123 mm² | 160 mm² |
| Package | FC-BGA1356 | FC-PGA12F |
| tCaseMax | 72°C | — |
Performance
| Frequency | 1600 MHz | 3 GHz |
|---|---|---|
| Turbo clock | up to 3.4 GHz | up to 3.9 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 16.0x | 30.0x |
| Multiplier unlocked | No | Yes |
| TDP | 15 W | 55 W |
Architecture Details
| Vertical Segment | Mobile | Mobile |
|---|---|---|
| Production status | Active | End-of-life |
| Release date | Aug 21st, 2017 | Sep 3rd, 2012 |
| Codename | Kaby Lake-R | Ivy Bridge |
| Generation | Core i5 | Core i7 |
| Part | SR3LA | SR0US |
| Memory support | DDR4 | DDR3 Dual-channel |
| ECC memory | No | No |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | UHD 620 | Intel HD 4000 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 6MB (shared) | 8MB (shared) |
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 |
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 |
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