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AMD Sempron 3850 APU vs Intel Core2 Duo E7400

The AMD Sempron 3850 APU is newer than Intel Core2 Duo E7400 @ 2.80GHz and is around 12% faster in multi-threaded (CPU Mark) testing. However, it is significantly slower in single-thread testing. Also, AMD Sempron 3850 APU uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 1456 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 Sempron 3850 APU×Intel Core2 Duo E7400 @ 2.80GHz+ ADD
Price Search Online Search Online
Socket TypeAM1,FS1bLGA775
CPU ClassDesktopDesktop
Clockspeed1.3 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)2 (Threads: 2)
CacheL1: 256KB, L2: 8.0MB, L1: 128KB, L2: 3.0MB, L3: 0MB
TDP25W65W
Yearly Running Cost$4.56$11.86
Otherwith Radeon R3
First Seen on ChartQ2 2014Q4 2008
# of Samples1111345
CPU Value24.621.3
Single Thread Rating(% diff. to max in group)447(-59.5%)11043(0.0%)
CPU Mark(% diff. to max in group)1168(0.0%)1043(-10.7%)
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 November 2025 - Higher results represent better performance
AMD Sempron 3850 APU
1,168
Intel Core2 Duo E7400 @ 2.80GHz
1,043
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 7th of November 2025 - Higher results represent better value
AMD Sempron 3850 APU
24.6
Intel Core2 Duo E7400 @ 2.80GHz
21.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 7th of November 2025 - Higher results represent better performance
AMD Sempron 3850 APU
447
Intel Core2 Duo E7400 @ 2.80GHz
1,104
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 Sempron 3850 APU Intel Core2 Duo E7400 @ 2.80GHz
Max TDP25W65W
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.