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Intel i3-2100 vs i5-650

The Intel Core i3-2100 @ 3.10GHz is newer than Intel Core i5-650 @ 3.20GHz and is around -18% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, Intel Core i5-650 @ 3.20GHz uses around 12% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 7308 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 i3-2100 @ 3.10GHz×Intel Core i5-650 @ 3.20GHz+ ADD
Price $49 - BUY Search Online
Socket TypeLGA1155LGA1156
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.2 GHz
Turbo SpeedNot SupportedUp to 3.5 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 3MBL1: 128KB, L2: 0.5MB, L3: 4MB
TDP65W73W
Yearly Running Cost$11.86$13.32
Other
First Seen on ChartQ1 2011Q1 2010
# of Samples41443164
CPU Value37.937.6
Single Thread Rating(% diff. to max in group)1409(0.0%)1356(-3.8%)
CPU Mark(% diff. to max in group)1856(-17.6%)2252(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 8th of November 2025 - Higher results represent better performance
Intel Core i3-2100 @ 3.10GHz
1,856
Intel Core i5-650 @ 3.20GHz
2,252
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 8th of November 2025 - Higher results represent better value
Intel Core i3-2100 @ 3.10GHz
37.9
Intel Core i5-650 @ 3.20GHz
37.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 8th of November 2025 - Higher results represent better performance
Intel Core i3-2100 @ 3.10GHz
1,409
Intel Core i5-650 @ 3.20GHz
1,356
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 i3-2100 @ 3.10GHz Intel Core i5-650 @ 3.20GHz
Max TDP65W73W
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.