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Intel Celeron J3355 vs Celeron 3865U

The Intel Celeron 3865U @ 1.80GHz is newer than Intel Celeron J3355 @ 2.00GHz also around 10% faster in multi-threaded (CPU Mark) testing, it is around 21% faster in single-thread testing. However, Intel Celeron 3865U @ 1.80GHz uses around 40% more power. The CPUs selected in this comparison belong in different CPU Classes: Desktop, Laptop. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 142 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 J3355 @ 2.00GHz×Intel Celeron 3865U @ 1.80GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1296BGA1356
CPU ClassDesktop, LaptopLaptop
Clockspeed2.0 GHz1.8 GHz
Turbo SpeedUp to 2.5 GHzNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 896KB, L2: 4.0MB, L3: 0MBL1: 128KB, L2: 0.5MB, L3: 2MB
TDP10W15W
Yearly Running Cost$1.83$2.74
OtherIntel HD Graphics 500Intel HD Graphics 610
First Seen on ChartQ1 2017Q2 2017
# of Samples5488
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)826(-20.7%)1043(0.0%)
CPU Mark(% diff. to max in group)1197(-10.0%)1331(0.0%)

CPU Mark Rating
As of 13th of March 2025 - Higher results represent better performance
Intel Celeron J3355 @ 2.00GHz
1,197
Intel Celeron 3865U @ 1.80GHz
1,331
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 13th of March 2025 - Higher results represent better performance
Intel Celeron J3355 @ 2.00GHz
826
Intel Celeron 3865U @ 1.80GHz
1,043
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 J3355 @ 2.00GHz Intel Celeron 3865U @ 1.80GHz
Max TDP10W15W
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.