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AMD Athlon II X3 400e vs Intel Core2 Duo E8500

The AMD Athlon II X3 400e is newer than Intel Core2 Duo E8500 @ 3.16GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, Intel Core2 Duo E8500 @ 3.16GHz uses around 36% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 2557 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 Athlon II X3 400e×Intel Core2 Duo E8500 @ 3.16GHz+ ADD
Price Search Online Search Online
Socket TypeAM3LGA775
CPU ClassDesktopDesktop
Clockspeed2.2 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores3 (Threads: 3)2 (Threads: 2)
CacheL1: 384KB, L2: 1.5MB, L1: 128KB, L2: 6.0MB, L3: 0MB
TDP45W65W
Yearly Running Cost$8.21$11.86
Other
First Seen on ChartQ4 2009Q4 2008
# of Samples332524
CPU Value51.811.8
Single Thread Rating(% diff. to max in group)908(-31.4%)13233(0.0%)
CPU Mark(% diff. to max in group)1320(0.0%)1297(-1.7%)
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 8th of November 2025 - Higher results represent better performance
AMD Athlon II X3 400e
1,320
Intel Core2 Duo E8500 @ 3.16GHz
1,297
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 8th of November 2025 - Higher results represent better value
AMD Athlon II X3 400e
51.8
Intel Core2 Duo E8500 @ 3.16GHz
11.8
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 8th of November 2025 - Higher results represent better performance
AMD Athlon II X3 400e
908
Intel Core2 Duo E8500 @ 3.16GHz
1,323
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 Athlon II X3 400e Intel Core2 Duo E8500 @ 3.16GHz
Max TDP45W65W
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.