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Intel i5-661 vs AMD A8-3870K APU

The AMD A8-3870K APU is newer than Intel Core i5-661 @ 3.33GHz, while Intel Core i5-661 @ 3.33GHz is around 6% faster in multi-threaded (CPU Mark) testing, it is around 16% faster in single-thread testing. However, AMD A8-3870K APU uses around 14% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 796 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.

×Intel Core i5-661 @ 3.33GHz×AMD A8-3870K APU+ ADD
Price Search Online Search Online
Socket TypeLGA1156FM1
CPU ClassDesktopDesktop
Clockspeed3.3 GHz3.0 GHz
Turbo SpeedUp to 3.6 GHzNot Supported
# of Physical Cores2 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 4MBL1: 512KB, L2: 4.0MB,
TDP87W100W
Yearly Running Cost$15.88$18.25
Other
First Seen on ChartQ1 2010Q4 2011
# of Samples192604
CPU Value30.934.2
Single Thread Rating(% diff. to max in group)1448(0.0%)1210(-16.4%)
CPU Mark(% diff. to max in group)2470(0.0%)2328(-5.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 1st of December 2024 - Higher results represent better performance
Intel Core i5-661 @ 3.33GHz
2,470
AMD A8-3870K APU
2,328
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 1st of December 2024 - Higher results represent better value
Intel Core i5-661 @ 3.33GHz
30.9
AMD A8-3870K APU
34.2
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 1st of December 2024 - Higher results represent better performance
Intel Core i5-661 @ 3.33GHz
1,448
AMD A8-3870K APU
1,210
PassMark Software © 2008-2024
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.
Intel Core i5-661 @ 3.33GHz AMD A8-3870K APU
Max TDP87W100W
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.