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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Duo E6400 @ 2.13GHz vs Intel Core2 Duo E6550 @ 2.33GHz

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


×Intel Core2 Duo E6400 @ 2.13GHz×Intel Core2 Duo E6550 @ 2.33GHz+ ADD
Price$19.891$14.951
Socket TypeLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed2.1 GHz2.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
Max TDP65W65W
Yearly Running Cost$11.86$11.86
First Seen on ChartQ1 2009Q4 2008
# of Samples10291371
Cross-Platform Rating19982267
Single Thread Rating85138963
CPU Mark800871
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 25th of January 2021 - Higher results represent better performance
Intel Core2 Duo E6400 @ 2.13GHz
 800
Intel Core2 Duo E6550 @ 2.33GHz
 871
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 25th of January 2021 - Higher results represent better value
Intel Core2 Duo E6400 @ 2.13GHz
 40.20
Intel Core2 Duo E6550 @ 2.33GHz
 58.26
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 25th of January 2021 - Higher results represent better performance
Intel Core2 Duo E6400 @ 2.13GHz
 851
Intel Core2 Duo E6550 @ 2.33GHz
 896
PassMark Software © 2008-2021

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 Core2 Duo E6400 @ 2.13GHzIntel Core2 Duo E6550 @ 2.33GHz
Max TDP65W65W
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.