AMD Phenom II X4 920 vs Intel Core 2 Extreme QX9775
Physical Specifications
| Socket | AMD Socket AM3 | Intel Socket 771 |
|---|---|---|
| Process size | 45 nm | 45 nm |
| Transistors | 758 million | 820 million |
| Die size | 258 mm² | 2x 107 mm² |
| Package | µPGA | FC-LGA6 |
| Foundry | — | Intel |
| tCaseMax | — | 63°C |
Performance
| Frequency | 2.8 GHz | 3.2 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 200 MHz | 400 MHz |
| Multiplier | 14.0x | 8.0x |
| Multiplier unlocked | No | Yes |
| Voltage | 1.5 V | 1.35 V |
| TDP | 125 W | 150 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Jan 8th, 2009 | Mar 24th, 2008 |
| Codename | Deneb | Yorkfield |
| Generation | Phenom II X4 | Core 2 Extreme |
| Part | HDX920XCJ4DGIHDX920XCGIBOX | EU80574XL088N |
| Memory support | DDR3 Dual-channel | DDR2 |
| ECC memory | No | No |
| PCI Express | Gen 2 | — |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 4 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 128K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 12MB (shared) |
| Cache L3 | 6MB (shared) | — |
Features & Technologies
| 3DNow! | Yes | — |
|---|---|---|
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| EIST | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | — | Yes |
| SSE4A | Yes | — |
| SSSE3 | — | Yes |
| VT-x | — | Yes |
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", |
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