Intel Core i5-5257U vs Intel Core i5-8250U
Physical Specifications
| Socket | Intel BGA 1168 | Intel BGA 1356 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 14 nm | 14 nm |
| Transistors | unknown | unknown |
| Die size | unknown | 123 mm² |
| Package | FC-BGA1168 | FC-BGA1356 |
| tCaseMax | 105°C | 72°C |
Performance
| Frequency | 2.7 GHz | 1600 MHz |
|---|---|---|
| Turbo clock | up to 3.1 GHz | up to 3.4 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 27.0x | 16.0x |
| Multiplier unlocked | No | No |
| TDP | 28 W | 15 W |
Architecture Details
| Vertical Segment | Mobile | Mobile |
|---|---|---|
| Production status | Active | Active |
| Release date | Mar 1st, 2015 | Aug 21st, 2017 |
| Codename | Broadwell-U | Kaby Lake-R |
| Generation | Core i5 | Core i5 |
| Part | unknown | SR3LA |
| Memory support | DDR3 | DDR4 |
| ECC memory | No | No |
Cores
| Total Cores | 2 | 4 |
|---|---|---|
| Total Threads | 4 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel Iris 6100 | UHD 620 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 3MB (shared) | 6MB (shared) |
Notes
| Notes | Intel HD frequency: 300-1050MHz | — |
|---|
Features & Technologies
| 64-bit | Yes | — |
|---|---|---|
| ADX | Yes | — |
| AES-NI | — | Yes |
| AVX | — | 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 |
| MMX | Yes | Yes |
| PREFETCHW | Yes | — |
| RDSEED | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| Smart Cache | Yes | — |
| TSX | — | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
