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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Duo T2400 vs Core2 Duo T6400

The Intel Core Duo T2400 @ 1.83GHz is newer than Intel Core2 Duo T6400 @ 2.00GHz however is significantly slower in multi-threaded (CPU Mark) testing. The Intel Core Duo T2400 @ 1.83GHz is around -33% slower in single-thread testing. Also, Intel Core2 Duo T6400 @ 2.00GHz uses around 12% more power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 1153 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 Duo T2400 @ 1.83GHz×Intel Core2 Duo T6400 @ 2.00GHz+ ADD
Price Search Online Search Online
Socket TypeBGA479PGA478
CPU ClassLaptopLaptop
Clockspeed1.8 GHz2.0 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
TDP31W35W
Yearly Running Cost$5.66$6.39
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples306847
CPU Rank52564767
CPU Value22.949.3
Single Thread Rating(% diff. to max in group)5323(-33.0%)7943(0.0%)
CPU Mark(% diff. to max in group)366(-50.4%)739(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 9th of February 2026 - Higher results represent better performance
Intel Core Duo T2400 @ 1.83GHz
366
Intel Core2 Duo T6400 @ 2.00GHz
739
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 9th of February 2026 - Higher results represent better value
Intel Core Duo T2400 @ 1.83GHz
22.9
Intel Core2 Duo T6400 @ 2.00GHz
49.3
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 9th of February 2026 - Higher results represent better performance
Intel Core Duo T2400 @ 1.83GHz
532
Intel Core2 Duo T6400 @ 2.00GHz
794
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 Core Duo T2400 @ 1.83GHz Intel Core2 Duo T6400 @ 2.00GHz
Max TDP31W35W
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.