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Intel Core2 Quad Q6600 vs i5-12400

The Intel Core i5-12400 is newer than Intel Core2 Quad Q6600 @ 2.40GHz and is significantly faster in multi-threaded (CPU Mark) testing and is significantly faster in single-thread testing. However, Intel Core2 Quad Q6600 @ 2.40GHz uses around 47% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 10656 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 Q6600 @ 2.40GHz×Intel Core i5-12400+ ADD
Price Search Online Search Online
Socket TypeLGA775LGA 1700
CPU ClassDesktopDesktop
Clockspeed2.4 GHz2.5 GHz
Turbo SpeedNot SupportedUp to 4.4 GHz
# of Physical Cores4 (Threads: 4)6 (Threads: 12)
CacheL1: 256KB, L2: 8.0MB, L3: 0MBL1: 480KB, L2: 7.5MB, L3: 18MB
TDP105W65W
Yearly Running Cost$19.16$11.86
OtherIntel UHD Graphics 730
First Seen on ChartQ4 2008Q1 2022
# of Samples75143142
CPU Value38.1100.5
Single Thread Rating(% diff. to max in group)953(-72.9%)3510(0.0%)
CPU Mark(% diff. to max in group)1830(-90.5%)19297(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of February 2025 - Higher results represent better performance
Intel Core2 Quad Q6600 @ 2.40GHz
1,830
Intel Core i5-12400
19,297
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of February 2025 - Higher results represent better value
Intel Core2 Quad Q6600 @ 2.40GHz
38.1
Intel Core i5-12400
100.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of February 2025 - Higher results represent better performance
Intel Core2 Quad Q6600 @ 2.40GHz
953
Intel Core i5-12400
3,510
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 Q6600 @ 2.40GHz Intel Core i5-12400
Max TDP105W65W
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.