Intel Core i7-2715QE vs Intel Core i7-5557U
Physical Specifications
| Socket | Intel BGA 1023 | Intel BGA 1168 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 32 nm | 14 nm |
| Transistors | 1,160 million | unknown |
| Die size | 216 mm² | unknown |
| Package | BGA2 | FC-BGA1168 |
| tCaseMax | — | 105°C |
Performance
| Frequency | 2.1 GHz | 3.1 GHz |
|---|---|---|
| Turbo clock | up to 3 GHz | up to 3.4 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 21.0x | 31.0x |
| Multiplier unlocked | No | No |
| TDP | 45 W | 28 W |
Architecture Details
| Vertical Segment | Mobile | Mobile |
|---|---|---|
| Production status | End-of-life | Active |
| Release date | Jan 3rd, 2011 | Mar 1st, 2015 |
| Codename | Sandy Bridge | Broadwell-U |
| Generation | Core i7 | Core i7 |
| Part | SR076 | SR26E |
| Memory support | unknown Dual-channel | DDR3 |
| ECC memory | No | No |
Cores
| Total Cores | 4 | 2 |
|---|---|---|
| Total Threads | 8 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel HD 3000 | Intel Iris 6100 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 6MB (shared) | 4MB (shared) |
Features & Technologies
| 64-bit | — | Yes |
|---|---|---|
| ADX | — | Yes |
| AES-NI | Yes | — |
| AVX | Yes | — |
| EIST | Yes | 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 |
| TXT | Yes | — |
| VT-d | Yes | — |
| VT-x | Yes | Yes |
| XD bit | — | Yes |
Notes
| Notes | — | Intel HD frequency: 300-1100MHz |
|---|
