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Intel Celeron 3867U vs i3-3120M

The Intel Celeron 3867U @ 1.80GHz is newer than Intel Core i3-3120M @ 2.50GHz and is around -17% slower in multi-threaded (CPU Mark) testing. The Intel Celeron 3867U @ 1.80GHz is around -15% slower in single-thread testing. Also, Intel Celeron 3867U @ 1.80GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 1511 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 Celeron 3867U @ 1.80GHz×Intel Core i3-3120M @ 2.50GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1356PGA988
CPU ClassLaptopLaptop
Clockspeed1.8 GHz2.5 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 2MBL1: 128KB, L2: 0.5MB, L3: 3MB
TDP15W35W
Yearly Running Cost$2.74$6.39
OtherIntel HD Graphics 610
First Seen on ChartQ2 2019Q1 2012
# of Samples381473
CPU Rank40713840
CPU Value13.315.6
Single Thread Rating(% diff. to max in group)1088(-14.5%)1274(0.0%)
CPU Mark(% diff. to max in group)1425(-16.9%)1714(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 13th of March 2026 - Higher results represent better performance
Intel Celeron 3867U @ 1.80GHz
1,425
Intel Core i3-3120M @ 2.50GHz
1,714
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 13th of March 2026 - Higher results represent better value
Intel Celeron 3867U @ 1.80GHz
13.3
Intel Core i3-3120M @ 2.50GHz
15.6
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 13th of March 2026 - Higher results represent better performance
Intel Celeron 3867U @ 1.80GHz
1,088
Intel Core i3-3120M @ 2.50GHz
1,274
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 Celeron 3867U @ 1.80GHz Intel Core i3-3120M @ 2.50GHz
Max TDP15W35W
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.