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Intel Core2 Duo E6600 vs Core2 Duo E6550

The Intel Core2 Duo E6550 @ 2.33GHz is newer than Intel Core2 Duo E6600 @ 2.40GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. 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 3029 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 E6600 @ 2.40GHz×Intel Core2 Duo E6550 @ 2.33GHz+ ADD
Price Search Online Search Online
Socket TypePLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed2.4 GHz2.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 4.0MB, L3: 0MBL1: 128KB, L2: 4.0MB, L3: 0MB
TDP65W65W
Yearly Running Cost$11.86$11.86
Other
First Seen on ChartQ4 2008Q4 2008
# of Samples15561473
CPU Rank44524482
CPU Value53.768.4
Single Thread Rating(% diff. to max in group)9433(0.0%)909(-3.6%)
CPU Mark(% diff. to max in group)938(0.0%)910(-3.0%)
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 13th of January 2026 - Higher results represent better performance
Intel Core2 Duo E6600 @ 2.40GHz
938
Intel Core2 Duo E6550 @ 2.33GHz
910
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 13th of January 2026 - Higher results represent better value
Intel Core2 Duo E6600 @ 2.40GHz
53.7
Intel Core2 Duo E6550 @ 2.33GHz
68.4
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 13th of January 2026 - Higher results represent better performance
Intel Core2 Duo E6600 @ 2.40GHz
943
Intel Core2 Duo E6550 @ 2.33GHz
909
PassMark Software © 2008-2026
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 E6600 @ 2.40GHz Intel Core2 Duo E6550 @ 2.33GHz
Max TDP65W65W
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.