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Intel Pentium G840 vs i3-2120T

The Intel Core i3-2120T @ 2.60GHz is newer than Intel Pentium G840 @ 2.80GHz also around 16% faster in multi-threaded (CPU Mark) testing, but Intel Pentium G840 @ 2.80GHz is around 9% faster in single-thread testing. However, Intel Core i3-2120T @ 2.60GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 355 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 Pentium G840 @ 2.80GHz×Intel Core i3-2120T @ 2.60GHz+ ADD
Price Search Online $175 - BUY
Socket TypeFCLGA1155LGA1155
CPU ClassDesktopDesktop
Clockspeed2.8 GHz2.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 3MBL1: 256KB, L2: 1.0MB,
TDP65W35W
Yearly Running Cost$11.86$6.39
Other
First Seen on ChartQ2 2011Q3 2011
# of Samples224131
CPU Value22.58.8
Single Thread Rating(% diff. to max in group)1281(0.0%)1170(-8.6%)
CPU Mark(% diff. to max in group)1294(-15.9%)1538(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Pentium G840 @ 2.80GHz
1,294
Intel Core i3-2120T @ 2.60GHz
1,538
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of December 2024 - Higher results represent better value
Intel Pentium G840 @ 2.80GHz
22.5
Intel Core i3-2120T @ 2.60GHz
8.8
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Pentium G840 @ 2.80GHz
1,281
Intel Core i3-2120T @ 2.60GHz
1,170
PassMark Software © 2008-2024
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 Pentium G840 @ 2.80GHz Intel Core i3-2120T @ 2.60GHz
Max TDP65W35W
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.