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CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.

Intel Core2 Duo E8400 @ 3.00GHzIntel Pentium E6500 @ 2.93GHz
Price$157.951$157.951
Socket TypeLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed3.0 GHz2.9 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP65W65W
Yearly Running Cost$11.86$11.86
First Seen on ChartQ4 2008Q4 2009
# of Samples6267464
Single Thread Rating12481193
CPU Mark21491762
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.


CPU Mark Rating
As of 21st of March 2019 - Higher results represent better performance
Intel Core2 Duo E8400 @ 3.00GHz
2,149
Intel Pentium E6500 @ 2.93GHz
1,762
AMD Ryzen 7 2700X
16,990
Intel Core i7-8700K @ 3.70GHz
15,968
Intel Core i7-8700 @ 3.20GHz
15,141
AMD Ryzen 7 1700
13,754
AMD Ryzen 5 2600
13,551
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 21st of March 2019 - Higher results represent better value
Intel Core2 Duo E8400 @ 3.00GHz
13.61
Intel Pentium E6500 @ 2.93GHz
11.16
AMD Ryzen 7 2700X
54.81
Intel Core i7-8700K @ 3.70GHz
42.02
Intel Core i7-8700 @ 3.20GHz
48.07
AMD Ryzen 7 1700
85.97
AMD Ryzen 5 2600
82.13
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 21st of March 2019 - Higher results represent better performance
Intel Core2 Duo E8400 @ 3.00GHz
1,248
Intel Pentium E6500 @ 2.93GHz
1,193
AMD Ryzen 7 2700X
2,194
Intel Core i7-8700K @ 3.70GHz
2,703
Intel Core i7-8700 @ 3.20GHz
2,630
AMD Ryzen 7 1700
1,775
AMD Ryzen 5 2600
2,007
PassMark Software © 2008-2019





Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day
Average CPU Utilization (0-100%)1
Power 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 E8400 @ 3.00GHzIntel Pentium E6500 @ 2.93GHz
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.


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