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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5645 @ 2.40GHz vs Intel Xeon X5660 @ 2.80GHz

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

×Intel Xeon E5645 @ 2.40GHz×Intel Xeon X5660 @ 2.80GHz+ ADD
Price$39.99
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$421
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.4 GHz2.8 GHz
Turbo SpeedUp to 2.7 GHzUp to 3.2 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
Max TDP80W95W
Yearly Running Cost$14.60$17.34
First Seen on ChartQ2 2011Q2 2010
# of Samples81258
Cross-Platform Rating1150814416
Single Thread Rating11391392
CPU Mark49156210
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 24th of September 2021 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
4,915
Intel Xeon X5660 @ 2.80GHz
6,210
CPU Value (CPU Mark / $Price)
As of 24th of September 2021 - Higher results represent better value
Intel Xeon E5645 @ 2.40GHz
122.91
Intel Xeon X5660 @ 2.80GHz
147.86
CPU Single Thread Rating
As of 24th of September 2021 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
1,139
Intel Xeon X5660 @ 2.80GHz
1,392

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 X5660 @ 2.80GHz
Max TDP80W95W
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.