Intel Core i7-4870HQ vs Intel Xeon E5-1428L
Physical Specifications
| Socket | Intel BGA 1364 | Intel Socket 1356 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 22 nm | 32 nm |
| Transistors | 1,400 million | 1,270 million |
| Die size | 264 mm² | 294 mm² |
| Package | FC-BGA1364 | — |
| tCaseMax | 100°C | — |
Performance
| Frequency | 2.5 GHz | 1800 MHz |
|---|---|---|
| Turbo clock | up to 3.7 GHz | — |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 25.0x | 18.0x |
| Multiplier unlocked | No | No |
| TDP | 47 W | 60 W |
| Voltage | — | 1.35 V |
Architecture Details
| Vertical Segment | Mobile | Server/Workstation |
|---|---|---|
| Production status | Active | unknown |
| Release date | Jul 1st, 2014 | May 14th, 2012 |
| Codename | Crystalwell | Sandy Bridge-EN |
| Generation | Core i7 | Xeon E5 |
| Part | SR1ZX | SR0JWSR0M4 |
| Memory support | DDR3 | DDR3 |
| ECC memory | No | Yes |
Cores
| Total Cores | 4 | 6 |
|---|---|---|
| Total Threads | 8 | 12 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel HD 5200 | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 8MB (shared) | 15MB (shared) |
Features & Technologies
| AES-NI | Yes | Yes |
|---|---|---|
| AVX | Yes | Yes |
| AVX2 | Yes | — |
| CLMUL | Yes | — |
| EIST | Yes | 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 |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
