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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Duo T9900 vs Core2 Duo T9550

The Intel Core2 Duo T9900 @ 3.06GHz is newer than Intel Core2 Duo T9550 @ 2.66GHz also around 18% faster in multi-threaded (CPU Mark) testing, it is around 10% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 610 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 T9900 @ 3.06GHz×Intel Core2 Duo T9550 @ 2.66GHz+ ADD
Price Search Online Search Online
Socket TypeBGA479,PGA478BGA479
CPU ClassLaptopLaptop
Clockspeed3.1 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 6.0MB, L3: 0MBL1: 128KB, L2: 6.0MB, L3: 0MB
TDP35W35W
Yearly Running Cost$6.39$6.39
Other
First Seen on ChartQ3 2009Q1 2009
# of Samples277333
CPU Value3.03.3
Single Thread Rating(% diff. to max in group)1190(0.0%)10713(-10.0%)
CPU Mark(% diff. to max in group)1199(0.0%)986(-17.8%)
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 14th of March 2025 - Higher results represent better performance
Intel Core2 Duo T9900 @ 3.06GHz
1,199
Intel Core2 Duo T9550 @ 2.66GHz
986
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
Intel Core2 Duo T9900 @ 3.06GHz
3.0
Intel Core2 Duo T9550 @ 2.66GHz
3.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Core2 Duo T9900 @ 3.06GHz
1,190
Intel Core2 Duo T9550 @ 2.66GHz
1,071
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 T9900 @ 3.06GHz Intel Core2 Duo T9550 @ 2.66GHz
Max TDP35W35W
Power consumption per day (kWh)0.070.07
Running cost per day$0.018$0.018
Power consumption per year (kWh)25.625.6
Running cost per year$6.39$6.39
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.