Intel Core 2 Extreme QX9775 vs Intel Core i5-4250U
Physical Specifications
| Socket | Intel Socket 771 | Intel BGA 1168 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 45 nm | 22 nm |
| Transistors | 820 million | 1,400 million |
| Die size | 2x 107 mm² | 118 mm² |
| Package | FC-LGA6 | FC-BGA1168 |
| tCaseMax | 63°C | — |
Performance
| Frequency | 3.2 GHz | 1300 MHz |
|---|---|---|
| Turbo clock | — | up to 2.6 GHz |
| Base clock | 400 MHz | 100 MHz |
| Multiplier | 8.0x | 13.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.35 V | — |
| TDP | 150 W | 15 W |
Architecture Details
| Vertical Segment | Desktop | Mobile |
|---|---|---|
| Production status | End-of-life | unknown |
| Release date | Mar 24th, 2008 | Jun 4th, 2013 |
| Codename | Yorkfield | Haswell |
| Generation | Core 2 Extreme | Core i5 |
| Part | EU80574XL088N | SR16M |
| Memory support | DDR2 | DDR3 |
| ECC memory | No | No |
Cores
| Total Cores | 4 | 2 |
|---|---|---|
| Total Threads | 4 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | Intel HD 5000 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 12MB (shared) | 256K (per core) |
| Cache L3 | — | 3MB (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", | — |
|---|
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 |
