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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Duo E8600 vs i3-540 vs i5-660

All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 2713 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 Core2 Duo E8600 @ 3.33GHz×Intel Core i3-540 @ 3.07GHz×Intel Core i5-660 @ 3.33GHz+ ADD
Price Search Online $230 - BUY $149.95 - BUY
Socket TypeLGA775LGA1156LGA1156
CPU ClassDesktopDesktopDesktop
Clockspeed3.3 GHz3.1 GHz3.3 GHz
Turbo SpeedNot SupportedNot SupportedUp to 3.6 GHz
# of Physical Cores2 (Threads: 2)2 (Threads: 4)2 (Threads: 4)
CacheL1: 128KB, L2: 6.0MB, L3: 0MBL1: 128KB, L2: 0.5MB, L3: 4MBL1: 128KB, L2: 0.5MB, L3: 4MB
TDP65W73W73W
Yearly Running Cost$11.86$13.32$13.32
Other
First Seen on ChartQ4 2008Q1 2010Q4 2009
# of Samples7631567383
CPU Value13.76.716.1
Single Thread Rating(% diff. to max in group)13833(-3.6%)1265(-11.7%)1434(0.0%)
CPU Mark(% diff. to max in group)1360(-43.7%)1544(-36.1%)2416(0.0%)
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 29th of March 2025 - Higher results represent better performance
Intel Core2 Duo E8600 @ 3.33GHz
1,360
Intel Core i3-540 @ 3.07GHz
1,544
Intel Core i5-660 @ 3.33GHz
2,416
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 29th of March 2025 - Higher results represent better value
Intel Core2 Duo E8600 @ 3.33GHz
13.7
Intel Core i3-540 @ 3.07GHz
6.7
Intel Core i5-660 @ 3.33GHz
16.1
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 29th of March 2025 - Higher results represent better performance
Intel Core2 Duo E8600 @ 3.33GHz
1,383
Intel Core i3-540 @ 3.07GHz
1,265
Intel Core i5-660 @ 3.33GHz
1,434
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.
Intel Core2 Duo E8600 @ 3.33GHz Intel Core i3-540 @ 3.07GHz Intel Core i5-660 @ 3.33GHz
Max TDP65W73W73W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.