 | Intel Pentium D 820 | Intel Pentium D 940 |
|---|---|---|
| Integrated Graphics | No | No |
| L2 Cache Count | 1 | 1 |
| Bus Speed | 800 MHz | 800 MHz |
| Number of cores | 2 | 2 |
| L2 cache size | 2048 KB | 4096 KB |
| CPU Speed | 2.8 GHz | 3.2 GHz |
| Processor Family | Pentium | Pentium |
| Processor Model | 820 | 940 |
| Manufacturing Technology | 90 nm | 65 nm |
| 32 Bit Operating Mode | No | No |
| 64 Bit Operating Mode | Yes | Yes |
| Status | End of Interactive Support | End of Interactive Support |
| Launch Date | Q2'05 | Q1'06 |
| Bus/Core Ratio | 14 | 16 |
| Bus Type | FSB | FSB |
| FSB Parity | No | No |
| Embedded Options Available | No | No |
| Physical Address Extensions | 32-bit | 32-bit |
| ECC Memory Supported | No | No |
| Package Size | 37.5mm x 37.5mm | 37.5mm x 37.5mm |
| Processing Die Size | 206 mm² | 162 mm² |
| Sockets Supported | PLGA775 | PLGA775 |
| Intel Turbo Boost Technology | No | No |
| Intel Hyper-Threading Technology | No | No |
| Intel Virtualization Technology (VT-x) | No | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) | No | No |
| Intel Trusted Execution Technology | No | No |
| AES New Instructions | No | No |
| Intel 64 | Yes | Yes |
| Idle States | Yes | Yes |
| Enhanced Intel SpeedStep Technology | No | Yes |
| Intel Demand Based Switching | No | No |
| Thermal Monitoring Technologies | No | No |
| Execute Disable Bit | Yes | Yes |
| Manufacturer | Intel | Intel |
| For use in | Desktops | Desktops |
| Number of threads | 2 | 2 |
| Tcase | 64.1°C | B1=68.6°C, C1=63.4°C |
| Number of Transistors | 230 million | 376 million |
| Wattage | 95 W | 130 W |
| Voltages | 1.200V-1.400V | 1.200V-1.3375V |
Add content for Intel Pentium D 820 vs. Intel Pentium D 940 or review and improve the comparison table above.