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Intel Celeron G3900E vs Celeron 3965U

The Intel Celeron 3965U @ 2.20GHz is newer than Intel Celeron G3900E @ 2.40GHz and is around -14% slower in multi-threaded (CPU Mark) testing. The Intel Celeron 3965U @ 2.20GHz is around -11% slower in single-thread testing. Also, Intel Celeron 3965U @ 2.20GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 50 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 G3900E @ 2.40GHz×Intel Celeron 3965U @ 2.20GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1440FCBGA1356
CPU ClassLaptopLaptop
Clockspeed2.4 GHz2.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 1.0MB, L3: 2MBL1: 128KB, L2: 0.5MB, L3: 2MB
TDP35W15W
Yearly Running Cost$6.39$2.74
OtherIntel HD Graphics 510 Intel HD Graphics 610
First Seen on ChartQ2 2017Q4 2017
# of Samples149
CPU Rank35783793
CPU Value19.016.4
Single Thread Rating(% diff. to max in group)1499(0.0%)1338(-10.8%)
CPU Mark(% diff. to max in group)2034(0.0%)1753(-13.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 17th of February 2026 - Higher results represent better performance
Intel Celeron G3900E @ 2.40GHz
2,034
Intel Celeron 3965U @ 2.20GHz
1,753
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 17th of February 2026 - Higher results represent better value
Intel Celeron G3900E @ 2.40GHz
19.0
Intel Celeron 3965U @ 2.20GHz
16.4
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 17th of February 2026 - Higher results represent better performance
Intel Celeron G3900E @ 2.40GHz
1,499
Intel Celeron 3965U @ 2.20GHz
1,338
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 G3900E @ 2.40GHz Intel Celeron 3965U @ 2.20GHz
Max TDP35W15W
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.