Intel Core i7-4870HQ vs Intel Core i7-8650U
Physical Specifications
| Socket | Intel BGA 1364 | Intel BGA 1356 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 22 nm | 14 nm |
| Transistors | 1,400 million | unknown |
| Die size | 264 mm² | 123 mm² |
| Package | FC-BGA1364 | FC-BGA1356 |
| tCaseMax | 100°C | 72°C |
Performance
| Frequency | 2.5 GHz | 1900 MHz |
|---|---|---|
| Turbo clock | up to 3.7 GHz | up to 4.2 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 25.0x | 19.0x |
| Multiplier unlocked | No | No |
| TDP | 47 W | 15 W |
Architecture Details
| Vertical Segment | Mobile | Mobile |
|---|---|---|
| Production status | Active | Active |
| Release date | Jul 1st, 2014 | Aug 21st, 2017 |
| Codename | Crystalwell | Kaby Lake-R |
| Generation | Core i7 | Core i7 |
| Part | SR1ZX | SR3L8 |
| Memory support | DDR3 | DDR4 |
| ECC memory | No | No |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel HD 5200 | 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) |
Features & Technologies
| AES-NI | Yes | Yes |
|---|---|---|
| AVX | Yes | Yes |
| AVX2 | Yes | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| Boost 2.0 | — | Yes |
| CLMUL | Yes | Yes |
| EIST | Yes | Yes |
| F16C | — | Yes |
| FMA3 | 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 |
| TSX | Yes | Yes |
| TXT | Yes | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
