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Over 1,000,000 CPUs benchmarked

Intel i5-750 vs Core2 Quad Q8300

The Intel Core i5-750 @ 2.67GHz is newer than Intel Core2 Quad Q8300 @ 2.50GHz and is around 33% faster in multi-threaded (CPU Mark) testing. The Intel Core i5-750 @ 2.67GHz is around 15% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 5817 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 i5-750 @ 2.67GHz×Intel Core2 Quad Q8300 @ 2.50GHz+ ADD
Price Search Online $79.1 - BUY
Socket TypeLGA1156LGA775
CPU ClassDesktopDesktop
Clockspeed2.7 GHz2.5 GHz
Turbo SpeedUp to 3.2 GHzNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 4.0MB, L3: 0MB
TDP95W95W
Yearly Running Cost$17.34$17.34
Other
First Seen on ChartQ3 2009Q1 2009
# of Samples36852132
CPU Rank32533660
CPU Value52.424.2
Single Thread Rating(% diff. to max in group)1223(0.0%)1062(-13.2%)
CPU Mark(% diff. to max in group)2547(0.0%)1916(-24.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 18th of February 2026 - Higher results represent better performance
Intel Core i5-750 @ 2.67GHz
2,547
Intel Core2 Quad Q8300 @ 2.50GHz
1,916
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 18th of February 2026 - Higher results represent better value
Intel Core i5-750 @ 2.67GHz
52.4
Intel Core2 Quad Q8300 @ 2.50GHz
24.2
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 18th of February 2026 - Higher results represent better performance
Intel Core i5-750 @ 2.67GHz
1,223
Intel Core2 Quad Q8300 @ 2.50GHz
1,062
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 i5-750 @ 2.67GHz Intel Core2 Quad Q8300 @ 2.50GHz
Max TDP95W95W
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.