Intel Core i7-4770K vs Intel Core i7-4771
Physical Specifications
| Socket | Intel Socket 1150 | Intel Socket 1150 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 22 nm | 22 nm |
| Transistors | 1,400 million | 1,400 million |
| Die size | 177 mm² | 177 mm² |
| Package | — | — |
| tCaseMax | 72°C | 72°C |
Performance
| Frequency | 3.5 GHz | 3.5 GHz |
|---|---|---|
| Turbo clock | up to 3.9 GHz | up to 3.9 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 35.0x | 35.0x |
| Multiplier unlocked | Yes | No |
| TDP | 84 W | 84 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | Active | Active |
| Release date | Jun 2nd, 2013 | Sep 1st, 2013 |
| Codename | Haswell | Haswell |
| Generation | Core i7 | Core i7 |
| Part | SR147 | SR1BW |
| Memory support | DDR3 Dual-channel | DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 3 | Gen 3 |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel HD 4600 | Intel HD 4600 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 8MB (shared) | 8MB (shared) |
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. | — |
|---|
Features & Technologies
| AES-NI | Yes | Yes |
|---|---|---|
| AVX | Yes | Yes |
| AVX2 | Yes | Yes |
| BMI1 | Yes | Yes |
| BMI2 | Yes | Yes |
| Boost 2.0 | Yes | Yes |
| CLMUL | Yes | Yes |
| EIST | Yes | Yes |
| F16C | Yes | 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 |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
| vPro | — | Yes |
