The Intel Xeon E5640 is Quad core CPU clocked at 2.66 GHz — released January 2010
How does the Intel Xeon E5640 perform when put to the test.
Benchmark data measured with Geekbench 4 Multi Core
Data provided by Geekbench 4.
Benchmark data measured with Geekbench 4 Single Core
Data provided by Geekbench 4.
How does the Intel Xeon E5640 perform when put to the test.
Single-core speeds compared
Max turbo single-core speeds compared
Full technical specifications for the Intel Xeon E5640.
| Speed | 2.66 GHz |
| Turbo Speed | 2.93 GHz |
| Number of Cores | Quad core |
| Unlocked | No |
| Socket Type | FCLGA1366 |
| Hyperthreaded | Yes |
| NX Bit | Yes |
| Trusted Computing | Yes |
| Virtualization | Yes |
| Instruction Set Extensions | SSE4.2 |
| Dynamic Frequency Scaling | Yes |
| Bus Architecture | QPI |
| Number of Links | 2 |
| Transfer Rate | 5.86 GT/s |
| Bus Clock Speed | 0 MHz |
| Architecture | x64 |
| Cores | 4 |
| Threads | 8 threads |
| L2 Cache | 0 |
| L3 Cache | 0 |
| Manufacture Process | 32 nm |
| Max CPUs | 2 |
| Operating Temperature | up to 77.6°C |
| Voltage Range | 0.750V-1.350V |
| Thermal Design Power (TDP) | 80 W |
| Memory Type | DDR3 800/1066 |
| Channels | 3 |
| ECC Memory Support | Yes |