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Intel i7-14700 vs Core2 Quad Q9400

The Intel Core i7-14700 is newer than Intel Core2 Quad Q9400 @ 2.66GHz and is significantly faster in multi-threaded (CPU Mark) testing. It is also significantly faster in single-thread testing. Also, Intel Core2 Quad Q9400 @ 2.66GHz uses around 38% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 3747 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 i7-14700×Intel Core2 Quad Q9400 @ 2.66GHz+ ADD
Price $319 - BUY Search Online
Socket TypeFCLGA1700LGA775
CPU ClassDesktopDesktop
Clockspeed2.1 GHz2.7 GHz
Turbo SpeedUp to 5.4 GHzNot Supported
# of Physical Cores20 (Threads: 28)4 (Threads: 4)
CacheL1: 1,600KB, L2: 22.0MB, L3: 33MBL1: 256KB, L2: 6.0MB, L3: 0MB
TDP65W95W
Yearly Running Cost$11.86$17.34
OtherIntel UHD Graphics 770
First Seen on ChartQ1 2024Q4 2008
# of Samples12362511
CPU Value131.385.7
Single Thread Rating(% diff. to max in group)4267(0.0%)1138(-73.3%)
CPU Mark(% diff. to max in group)41895(0.0%)2147(-94.9%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 22nd of April 2025 - Higher results represent better performance
Intel Core i7-14700
41,895
Intel Core2 Quad Q9400 @ 2.66GHz
2,147
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 22nd of April 2025 - Higher results represent better value
Intel Core i7-14700
131.3
Intel Core2 Quad Q9400 @ 2.66GHz
85.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 22nd of April 2025 - Higher results represent better performance
Intel Core i7-14700
4,267
Intel Core2 Quad Q9400 @ 2.66GHz
1,138
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 Core i7-14700 Intel Core2 Quad Q9400 @ 2.66GHz
Max TDP65W95W
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.