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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5645 @ 2.40GHz vs Intel Xeon E5649 @ 2.53GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Xeon E5645 @ 2.40GHz×Intel Xeon E5649 @ 2.53GHz+ ADD
Price $100 - BUY $72.63 - BUY
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.4 GHz2.5 GHz
Turbo SpeedUp to 2.7 GHzUp to 2.9 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 512KB, L2: 2.0MB, L1: 512KB, L2: 2.0MB,
Max TDP80W80W
Yearly Running Cost$14.60$14.60
Other
First Seen on ChartQ2 2011Q3 2011
# of Samples8537
CPU Value49.972.0
Single Thread Rating(% diff. to max in group)1159(-5.2%)1224(0.0%)
CPU Mark(% diff. to max in group)4989(-4.6%)5229(0.0%)

CPU Mark Rating
As of 28th of January 2023 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
4,989
Intel Xeon E5649 @ 2.53GHz
5,229
PassMark Software © 2008-2023
CPU Value (CPU Mark / $Price)
As of 28th of January 2023 - Higher results represent better value
Intel Xeon E5645 @ 2.40GHz
49.9
Intel Xeon E5649 @ 2.53GHz
72.0
PassMark Software © 2008-2023
CPU Single Thread Rating
As of 28th of January 2023 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
1,159
Intel Xeon E5649 @ 2.53GHz
1,224
PassMark Software © 2008-2023

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Xeon E5645 @ 2.40GHzIntel Xeon E5649 @ 2.53GHz
Max TDP80W80W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.