Server
Intel Xeon E5645 @ 2.40GHz
Multicore performance
4,926
Single-core performance
1,130
Estimated price
$441.05
Last price change 2026-07-30
Processor specifications
Normalized fields from the source detail page.
- Class
- Server
- Socket
- LGA1366
- Base clock
- 2.4 GHz
- Turbo clock
- 2.7 GHz
- Cores
- 6
- Threads
- 12
- Typical TDP
- 80 W
- Release / first seen
- Q2 2011
Cache per CPU package
Source values are kept verbatim to preserve package multipliers.
- L1 Instruction Cache
- 6 x 32 KB
- L1 Data Cache
- 6 x 32 KB
- L2 Cache
- 6 x 256 KB
- L3 Cache
- 12 MB