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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q9400 vs i5-6500T vs N100

The CPUs selected in this comparison belong in different CPU Classes: Desktop, Mobile/Embedded. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 6438 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 Quad Q9400 @ 2.66GHz×Intel Core i5-6500T @ 2.50GHz×Intel N100+ ADD
Price Search Online $75 - BUY Search Online
Socket TypeLGA775LGA 1151FCBGA1264
CPU ClassDesktopDesktopMobile/Embedded
Clockspeed2.7 GHz2.5 GHz0.7 GHz
Turbo SpeedNot SupportedUp to 3.1 GHzUp to 3.4 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 6.0MB, L3: 0MBL1: 256KB, L2: 1.0MB, L3: 6MBL1: 384KB, L2: 2.0MB, L3: 6MB
TDP95W35W6W
Yearly Running Cost$17.34$6.39$1.10
OtherIntel UHD Graphics
First Seen on ChartQ4 2008Q4 2015Q1 2023
# of Samples251113882539
CPU Value85.763.542.3
Single Thread Rating(% diff. to max in group)1138(-40.5%)1778(-7.1%)1914(0.0%)
CPU Mark(% diff. to max in group)2147(-60.4%)4760(-12.1%)5416(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 16th of April 2025 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
2,147
Intel Core i5-6500T @ 2.50GHz
4,760
Intel N100
5,416
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 16th of April 2025 - Higher results represent better value
Intel Core2 Quad Q9400 @ 2.66GHz
85.7
Intel Core i5-6500T @ 2.50GHz
63.5
Intel N100
42.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 16th of April 2025 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
1,138
Intel Core i5-6500T @ 2.50GHz
1,778
Intel N100
1,914
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 Quad Q9400 @ 2.66GHz Intel Core i5-6500T @ 2.50GHz Intel N100
Max TDP95W35W6W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.