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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Duo E8400 @ 3.00GHz vs AMD A4-3420 APU

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


×Intel Core2 Duo E8400 @ 3.00GHz×AMD A4-3420 APU+ ADD
Price$24.041$1361
Socket TypeLGA775FM1
CPU ClassDesktopDesktop
Clockspeed3.0 GHz2.8 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 ChartQ4 2008Q1 2012
# of Samples6979106
Single Thread Rating1241311503
CPU Mark11681094
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 27th of June 2022 - Higher results represent better performance
Intel Core2 Duo E8400 @ 3.00GHz
 1,168
AMD A4-3420 APU
 1,094
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 27th of June 2022 - Higher results represent better value
Intel Core2 Duo E8400 @ 3.00GHz
 48.58
AMD A4-3420 APU
 8.04
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 27th of June 2022 - Higher results represent better performance
Intel Core2 Duo E8400 @ 3.00GHz
 1,241
AMD A4-3420 APU
 1,150
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 E8400 @ 3.00GHzAMD A4-3420 APU
Max TDP65W65W
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.