 | 64-bit Intel Xeon 2.80E GHz | Intel Xeon E5520 |
|---|---|---|
| L2 Cache Count | 1 | 1 |
| Bus Speed | 800 MHz | 5.86 GT/s |
| Number of cores | 1 | 4 |
| L2 cache size | 2048 KB | 8192 KB |
| CPU Speed | 2.8 GHz | 2.26 GHz |
| Processor Family | Xeon | Xeon |
| 1ku Bulk Budgetary Price | $193 (as of Feb 02, 2011) | $373 (as of Feb 02, 2011) |
| Manufacturing Technology | 90 nm | 45 nm |
| 32 Bit Operating Mode | No | No |
| 64 Bit Operating Mode | Yes | Yes |
| Status | Launched | Launched |
| Bus/Core Ratio | 14 | 17 |
| Bus Type | FSB | QPI |
| Embedded Options Available | No | No |
| Physical Address Extensions | 32-bit | 40-bit |
| ECC Memory Supported | No | Yes |
| Package Size | 42.5mm x 42.5mm | 42.5mm x 45mm |
| Processing Die Size | 135 mm² | 263 mm² |
| Sockets Supported | PPGA604 | FCLGA1366 |
| Intel Turbo Boost Technology | No | Yes |
| Intel Hyper-Threading Technology | No | Yes |
| Intel Virtualization Technology (VT-x) | No | Yes |
| Intel Trusted Execution Technology | No | No |
| Intel 64 | Yes | Yes |
| Idle States | Yes | Yes |
| Enhanced Intel SpeedStep Technology | Yes | Yes |
| Intel Demand Based Switching | No | Yes |
| Execute Disable Bit | Yes | Yes |
| Manufacturer | Intel | Intel |
| For use in | Servers | Servers |
| Number of threads | 1 | 8 |
| Tcase | 72°C | 72°C |
| Number of Transistors | 169 million | 731 million |
| Wattage | 110 W | 80 W |
| Voltages | 1.25V-1.4V | 0.75V -1.35V |
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