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Intel Core2 Duo T5900 vs Core2 Duo T6600

The Intel Core2 Duo T5900 @ 2.20GHz is newer than Intel Core2 Duo T6600 @ 2.20GHz and is around -15% slower in multi-threaded (CPU Mark) testing. The Intel Core2 Duo T5900 @ 2.20GHz is around -10% slower in single-thread testing. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 1261 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 T5900 @ 2.20GHz×Intel Core2 Duo T6600 @ 2.20GHz+ ADD
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Socket TypeSocket PPGA478
CPU ClassLaptopLaptop
Clockspeed2.2 GHz2.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 2.0MB, L3: 0MBL1: 128KB, L2: 2.0MB, L3: 0MB
TDPNA235W
Yearly Running CostNA$6.39
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples721189
CPU Value0.020.0
Single Thread Rating(% diff. to max in group)7693(-10.0%)8553(0.0%)
CPU Mark(% diff. to max in group)677(-15.5%)801(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.
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 7th of November 2025 - Higher results represent better performance
Intel Core2 Duo T5900 @ 2.20GHz
677
Intel Core2 Duo T6600 @ 2.20GHz
801
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 7th of November 2025 - Higher results represent better value
Intel Core2 Duo T5900 @ 2.20GHz
NA
Intel Core2 Duo T6600 @ 2.20GHz
20.0
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 7th of November 2025 - Higher results represent better performance
Intel Core2 Duo T5900 @ 2.20GHz
769
Intel Core2 Duo T6600 @ 2.20GHz
855
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 T5900 @ 2.20GHz Intel Core2 Duo T6600 @ 2.20GHz
Max TDPNA35W
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.