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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5645 @ 2.40GHz vs Intel Xeon E5-1660 @ 3.30GHz

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 E5-1660 @ 3.30GHz+ ADD
Price$94.08
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$20251
Socket TypeLGA1366LGA2011
CPU ClassServerServer
Clockspeed2.4 GHz3.3 GHz
Turbo SpeedUp to 2.7 GHzUp to 3.9 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
Max TDP80W130W
Yearly Running Cost$14.60$23.73
First Seen on ChartQ2 2011Q2 2012
# of Samples76183
Cross-Platform Rating1133018525
Single Thread Rating11601784
CPU Mark49638312
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 27th of January 2021 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
4,963
Intel Xeon E5-1660 @ 3.30GHz
8,312
CPU Value (CPU Mark / $Price)
As of 27th of January 2021 - Higher results represent better value
Intel Xeon E5645 @ 2.40GHz
52.75
Intel Xeon E5-1660 @ 3.30GHz
4.10
CPU Single Thread Rating
As of 27th of January 2021 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
1,160
Intel Xeon E5-1660 @ 3.30GHz
1,784

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 E5-1660 @ 3.30GHz
Max TDP80W130W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.