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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Duo E6700 @ 2.66GHz vs AMD Phenom II X2 555

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


×Intel Core2 Duo E6700 @ 2.66GHz×AMD Phenom II X2 555+ ADD
Price$29.991$13.15
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Socket TypeLGA775AM2+/AM3
CPU ClassDesktopDesktop
Clockspeed2.7 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
Max TDP65W80W
Yearly Running Cost$11.86$14.60
First Seen on ChartQ1 2010Q1 2010
# of Samples542456
Single Thread Rating(% diff. to max in group)10363(-21.3%)13153(0.0%)
CPU Mark(% diff. to max in group)985(-24.7%)1308(0.0%)
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 7th of July 2022 - Higher results represent better performance
Intel Core2 Duo E6700 @ 2.66GHz
 985
AMD Phenom II X2 555
 1,308
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 7th of July 2022 - Higher results represent better value
Intel Core2 Duo E6700 @ 2.66GHz
 32.83
AMD Phenom II X2 555
 99.49
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 7th of July 2022 - Higher results represent better performance
Intel Core2 Duo E6700 @ 2.66GHz
 1,036
AMD Phenom II X2 555
 1,315
PassMark Software © 2008-2022

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 E6700 @ 2.66GHzAMD Phenom II X2 555
Max TDP65W80W
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.