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Intel Atom C2538 vs Celeron J3355

The Intel Atom C2538 @ 2.40GHz is newer than Intel Celeron J3355 @ 2.00GHz, while Intel Celeron J3355 @ 2.00GHz is around 27% faster in multi-threaded (CPU Mark) testing, it is around 35% faster in single-thread testing. However, Intel Atom C2538 @ 2.40GHz uses around 40% more power. The CPUs selected in this comparison belong in different CPU Classes: Laptop, Desktop. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 61 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 Atom C2538 @ 2.40GHz×Intel Celeron J3355 @ 2.00GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1283FCBGA1296
CPU ClassLaptopDesktop, Laptop
Clockspeed2.4 GHz2.0 GHz
Turbo SpeedNot SupportedUp to 2.5 GHz
# of Physical Cores4 (Threads: 4)2 (Threads: 2)
CacheL1: 224KB, L2: 2.0MB, L3: 0MBL1: 896KB, L2: 4.0MB, L3: 0MB
TDP15W10W
Yearly Running Cost$2.74$1.83
OtherIntel HD Graphics 500
First Seen on ChartQ2 2018Q1 2017
# of Samples754
CPU Value8.40.0
Single Thread Rating(% diff. to max in group)538(-34.9%)826(0.0%)
CPU Mark(% diff. to max in group)874(-27.0%)1197(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 12th of April 2025 - Higher results represent better performance
Intel Atom C2538 @ 2.40GHz
874
Intel Celeron J3355 @ 2.00GHz
1,197
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 12th of April 2025 - Higher results represent better value
Intel Atom C2538 @ 2.40GHz
8.4
Intel Celeron J3355 @ 2.00GHz
NA
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 12th of April 2025 - Higher results represent better performance
Intel Atom C2538 @ 2.40GHz
538
Intel Celeron J3355 @ 2.00GHz
826
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 Atom C2538 @ 2.40GHz Intel Celeron J3355 @ 2.00GHz
Max TDP15W10W
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.