Intel Core i7-975 vs Intel Xeon X5698
Physical Specifications
| Socket | Intel Socket 1366 | Intel Socket 1366 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 45 nm | 32 nm |
| Transistors | 731 million | 1,170 million |
| Die size | 263 mm² | 239 mm² |
| Package | FC-LGA8 | FC-LGA10 |
Performance
| Frequency | 3.333 GHz | 4.4 GHz |
|---|---|---|
| Turbo clock | up to 3.6 GHz | — |
| Base clock | 133 MHz | 133 MHz |
| Multiplier | 25.0x | 33.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.375 V | — |
| TDP | 130 W | 130 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Jun 2nd, 2009 | Feb 14th, 2011 |
| Codename | Bloomfield | Westmere-EP |
| Generation | Core i7 | Xeon |
| Part | SLBEQ | SLC32 |
| Memory support | DDR3 Triple-channel | DDR3 Triple-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2 | Gen 2 |
Cores
| Total Cores | 4 | 2 |
|---|---|---|
| Total Threads | 8 | 4 |
| SMP # CPUs | 1 | 2 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 8MB (shared) | 12MB (shared) |
Notes
| Notes | This processor comes with an unlocked FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. | Official release date unknown. Assumed Q1 2011. This processor is reportedly only available in the HP ProLiant DL380 G7 and Dell PowerEdge R710 servers. It is assumed due to its high initial clock, this model lacks Turbo Boost. |
|---|
Features & Technologies
| 6.4GT/s QPI | — | Yes |
|---|---|---|
| AES-NI | — | Yes |
| EIST | Yes | Yes |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SMT | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | — | Yes |
| TXT | Yes | Yes |
| VT-x | Yes | Yes |
| XD-Bit | Yes | Yes |
