Intel Core 2 Extreme QX9775 vs Intel Core i7-3555LE
Physical Specifications
| Socket | Intel Socket 771 | Intel BGA 1023 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 45 nm | 22 nm |
| Transistors | 820 million | unknown |
| Die size | 2x 107 mm² | 118 mm² |
| Package | FC-LGA6 | FC-BGA12F |
| tCaseMax | 63°C | — |
Performance
| Frequency | 3.2 GHz | 2.5 GHz |
|---|---|---|
| Turbo clock | — | up to 3.2 GHz |
| Base clock | 400 MHz | 100 MHz |
| Multiplier | 8.0x | 25.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.35 V | — |
| TDP | 150 W | 25 W |
Architecture Details
| Vertical Segment | Desktop | Mobile |
|---|---|---|
| Production status | End-of-life | unknown |
| Release date | Mar 24th, 2008 | Jun 3rd, 2012 |
| Codename | Yorkfield | Ivy Bridge |
| Generation | Core 2 Extreme | Core i7 |
| Part | EU80574XL088N | SR0T5 |
| Memory support | DDR2 | unknown Dual-channel |
| ECC memory | No | No |
Cores
| Total Cores | 4 | 2 |
|---|---|---|
| Total Threads | 4 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | Intel HD 4000 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 12MB (shared) | 256K (per core) |
| Cache L3 | — | 4MB (shared) |
Notes
| Notes | Being an Extreme Edition processor, it features an unlocked FSB multiplier that allows users to set the multiplier value above its shipped value. Unlike the QX9770, this chip uses the LGA-771 socket and is only compatible with Intel D5400XS "Skulltrail", | ECC memory support. Intel HD 4000 frequency: 550-1000MHz |
|---|
Features & Technologies
| AES-NI | — | Yes |
|---|---|---|
| AVX | — | Yes |
| EIST | Yes | Yes |
| HTT | — | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | — |
| SSE4.2 | — | Yes |
| SSSE3 | Yes | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | — | Yes |
