Intel Pentium D 920 vs Intel Xeon E5540
Physical Specifications
| Socket | Intel Socket 775 | Intel Socket 1366 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 65 nm | 45 nm |
| Transistors | 376 million | 731 million |
| Die size | 140 mm² | 263 mm² |
| Package | FC-LGA4 | FC-LGA8 |
Performance
| Frequency | 2.8 GHz | 2.533 GHz |
|---|---|---|
| Turbo clock | — | up to 2.8 GHz |
| Base clock | 200 MHz | 133 MHz |
| Multiplier | 14.0x | 19.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.33 V | 1.35 V |
| TDP | 130 W | 80 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Jan 16th, 2006 | Mar 30th, 2009 |
| Codename | Presler | Gainestown |
| Generation | Pentium D | Xeon |
| Part | SL94S | SLBF6 |
| Memory support | DDR1, DDR2, DDR3 Dual-channel | DDR3 Triple-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2 | Gen 2 |
Cores
| Total Cores | 2 | 4 |
|---|---|---|
| Total Threads | 2 | 8 |
| SMP # CPUs | 2 | 2 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 28K | 64K (per core) |
|---|---|---|
| Cache L2 | 4MB | 256K (per core) |
| Cache L3 | — | 8MB (shared) |
Features & Technologies
| EIST | Yes | Yes |
|---|---|---|
| HTT | — | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | — | Yes |
| SSSE3 | — | Yes |
| TXT | — | Yes |
| VT-x | — | Yes |
| XD-Bit | — | Yes |
