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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Duo T7100 vs Core2 Duo T6400

The Intel Core2 Duo T6400 @ 2.00GHz is newer than Intel Core2 Duo T7100 @ 1.80GHz and is around 24% faster in multi-threaded (CPU Mark) testing. The Intel Core2 Duo T6400 @ 2.00GHz is around 17% 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 1172 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 T7100 @ 1.80GHz×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
TDP35W35W
Yearly Running Cost$6.39$6.39
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples323849
CPU Rank49894802
CPU Value39.949.5
Single Thread Rating(% diff. to max in group)6783(-14.7%)7953(0.0%)
CPU Mark(% diff. to max in group)598(-19.4%)742(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 15th of March 2026 - Higher results represent better performance
Intel Core2 Duo T7100 @ 1.80GHz
598
Intel Core2 Duo T6400 @ 2.00GHz
742
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 15th of March 2026 - Higher results represent better value
Intel Core2 Duo T7100 @ 1.80GHz
39.9
Intel Core2 Duo T6400 @ 2.00GHz
49.5
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 15th of March 2026 - Higher results represent better performance
Intel Core2 Duo T7100 @ 1.80GHz
678
Intel Core2 Duo T6400 @ 2.00GHz
795
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 T7100 @ 1.80GHz Intel Core2 Duo T6400 @ 2.00GHz
Max TDP35W35W
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.