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Intel Celeron N4000 vs Celeron 3965U

The Intel Celeron N4000 @ 1.10GHz is newer than Intel Celeron 3965U @ 2.20GHz, while Intel Celeron 3965U @ 2.20GHz is around 18% faster in multi-threaded (CPU Mark) testing, it is around 23% faster in single-thread testing. However, Intel Celeron N4000 @ 1.10GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 961 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 N4000 @ 1.10GHz×Intel Celeron 3965U @ 2.20GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1090FCBGA1356
CPU ClassLaptopLaptop
Clockspeed1.1 GHz2.2 GHz
Turbo SpeedUp to 2.6 GHzNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 112KB, L2: 4.0MB, L3: 0MBL1: 128KB, L2: 0.5MB, L3: 2MB
TDP6W15W
Yearly Running Cost$1.10$2.74
OtherIntel UHD Graphics 600 Intel HD Graphics 610
First Seen on ChartQ2 2018Q4 2017
# of Samples91744
CPU Value13.316.2
Single Thread Rating(% diff. to max in group)1037(-22.6%)1339(0.0%)
CPU Mark(% diff. to max in group)1427(-17.6%)1732(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 24th of March 2025 - Higher results represent better performance
Intel Celeron N4000 @ 1.10GHz
1,427
Intel Celeron 3965U @ 2.20GHz
1,732
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 24th of March 2025 - Higher results represent better value
Intel Celeron N4000 @ 1.10GHz
13.3
Intel Celeron 3965U @ 2.20GHz
16.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 24th of March 2025 - Higher results represent better performance
Intel Celeron N4000 @ 1.10GHz
1,037
Intel Celeron 3965U @ 2.20GHz
1,339
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 Celeron N4000 @ 1.10GHz Intel Celeron 3965U @ 2.20GHz
Max TDP6W15W
Power consumption per day (kWh)NA0.03
Running cost per dayNA$0.007
Power consumption per year (kWh)NA10.9
Running cost per yearNA$2.74
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.