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Intel Celeron 3965U vs Celeron N4000

The Intel Celeron N4000 @ 1.10GHz is newer than Intel Celeron 3965U @ 2.20GHz and is around -18% slower in multi-threaded (CPU Mark) testing. The Intel Celeron N4000 @ 1.10GHz is around -23% slower in single-thread testing. Also, 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 1110 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 3965U @ 2.20GHz×Intel Celeron N4000 @ 1.10GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1356FCBGA1090
CPU ClassLaptopLaptop
Clockspeed2.2 GHz1.1 GHz
Turbo SpeedNot SupportedUp to 2.6 GHz
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 0.5MB, L3: 2MBL1: 112KB, L2: 4.0MB, L3: 0MB
TDP15W6W
Yearly Running Cost$2.74$1.10
Other Intel HD Graphics 610Intel UHD Graphics 600
First Seen on ChartQ4 2017Q2 2018
# of Samples491061
CPU Rank37443980
CPU Value16.413.4
Single Thread Rating(% diff. to max in group)1338(0.0%)1036(-22.5%)
CPU Mark(% diff. to max in group)1753(0.0%)1431(-18.4%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 23rd of January 2026 - Higher results represent better performance
Intel Celeron 3965U @ 2.20GHz
1,753
Intel Celeron N4000 @ 1.10GHz
1,431
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 23rd of January 2026 - Higher results represent better value
Intel Celeron 3965U @ 2.20GHz
16.4
Intel Celeron N4000 @ 1.10GHz
13.4
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 23rd of January 2026 - Higher results represent better performance
Intel Celeron 3965U @ 2.20GHz
1,338
Intel Celeron N4000 @ 1.10GHz
1,036
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 3965U @ 2.20GHz Intel Celeron N4000 @ 1.10GHz
Max TDP15W6W
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.