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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-750 vs i3-2120

The Intel Core i3-2120 @ 3.30GHz is newer than Intel Core i5-750 @ 2.67GHz, while Intel Core i5-750 @ 2.67GHz is around 23% faster in multi-threaded (CPU Mark) testing, but Intel Core i3-2120 @ 3.30GHz is around 19% faster in single-thread testing. However, Intel Core i5-750 @ 2.67GHz 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 8431 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 Core i3-2120 @ 3.30GHz+ ADD
Price Search Online $89.95 - BUY
Socket TypeLGA1156LGA1155
CPU ClassDesktopDesktop
Clockspeed2.7 GHz3.3 GHz
Turbo SpeedUp to 3.2 GHzNot Supported
# of Physical Cores4 (Threads: 4)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 128KB, L2: 0.5MB, L3: 3MB
TDP95W65W
Yearly Running Cost$17.34$11.86
Other
First Seen on ChartQ3 2009Q1 2011
# of Samples35824849
CPU Value26.921.8
Single Thread Rating(% diff. to max in group)1229(-18.6%)1510(0.0%)
CPU Mark(% diff. to max in group)2537(0.0%)1964(-22.6%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 1st of April 2025 - Higher results represent better performance
Intel Core i5-750 @ 2.67GHz
2,537
Intel Core i3-2120 @ 3.30GHz
1,964
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 1st of April 2025 - Higher results represent better value
Intel Core i5-750 @ 2.67GHz
26.9
Intel Core i3-2120 @ 3.30GHz
21.8
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 1st of April 2025 - Higher results represent better performance
Intel Core i5-750 @ 2.67GHz
1,229
Intel Core i3-2120 @ 3.30GHz
1,510
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 Core i5-750 @ 2.67GHz Intel Core i3-2120 @ 3.30GHz
Max TDP95W65W
Power consumption per day (kWh)0.190.13
Running cost per day$0.048$0.033
Power consumption per year (kWh)69.347.5
Running cost per year$17.34$11.86
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.