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AMD Phenom II X3 720 vs Intel Core2 Duo E7400

The AMD Phenom II X3 720 is newer than Intel Core2 Duo E7400 @ 2.80GHz also around 35% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, AMD Phenom II X3 720 uses around 38% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1722 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×AMD Phenom II X3 720×Intel Core2 Duo E7400 @ 2.80GHz+ ADD
Price Search Online Search Online
Socket TypeAM3LGA775
CPU ClassDesktopDesktop
Clockspeed2.8 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores3 (Threads: 3)2 (Threads: 2)
CacheL1: 384KB, L2: 1.5MB, L3: 6MBL1: 128KB, L2: 3.0MB, L3: 0MB
TDP95W65W
Yearly Running Cost$17.34$11.86
Other
First Seen on ChartQ1 2009Q4 2008
# of Samples3941328
CPU Value24.721.3
Single Thread Rating(% diff. to max in group)1107(-0.2%)11093(0.0%)
CPU Mark(% diff. to max in group)1593(0.0%)1042(-34.6%)
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 26th of February 2025 - Higher results represent better performance
AMD Phenom II X3 720
1,593
Intel Core2 Duo E7400 @ 2.80GHz
1,042
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
AMD Phenom II X3 720
24.7
Intel Core2 Duo E7400 @ 2.80GHz
21.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
AMD Phenom II X3 720
1,107
Intel Core2 Duo E7400 @ 2.80GHz
1,109
PassMark Software © 2008-2025
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
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.
AMD Phenom II X3 720 Intel Core2 Duo E7400 @ 2.80GHz
Max TDP95W65W
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.