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Intel i7-860 vs i5-661

The Intel Core i5-661 @ 3.33GHz is newer than Intel Core i7-860 @ 2.80GHz, while Intel Core i7-860 @ 2.80GHz is around 18% faster in multi-threaded (CPU Mark) testing, but Intel Core i5-661 @ 3.33GHz is around 8% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 4346 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 i7-860 @ 2.80GHz×Intel Core i5-661 @ 3.33GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1156LGA1156
CPU ClassDesktopDesktop
Clockspeed2.8 GHz3.3 GHz
Turbo SpeedUp to 3.5 GHzUp to 3.6 GHz
# of Physical Cores4 (Threads: 8)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 4MB
TDP95W87W
Yearly Running Cost$17.34$15.88
Other
First Seen on ChartQ3 2009Q1 2010
# of Samples4154192
CPU Value30.330.9
Single Thread Rating(% diff. to max in group)1330(-8.1%)1448(0.0%)
CPU Mark(% diff. to max in group)2999(0.0%)2470(-17.6%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of November 2024 - Higher results represent better performance
Intel Core i7-860 @ 2.80GHz
2,999
Intel Core i5-661 @ 3.33GHz
2,470
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 21st of November 2024 - Higher results represent better value
Intel Core i7-860 @ 2.80GHz
30.3
Intel Core i5-661 @ 3.33GHz
30.9
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 21st of November 2024 - Higher results represent better performance
Intel Core i7-860 @ 2.80GHz
1,330
Intel Core i5-661 @ 3.33GHz
1,448
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 i7-860 @ 2.80GHz Intel Core i5-661 @ 3.33GHz
Max TDP95W87W
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.