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Intel i5-8257U vs Celeron N4020

The Intel Celeron N4020 @ 1.10GHz is newer than Intel Core i5-8257U @ 1.40GHz, while Intel Core i5-8257U @ 1.40GHz is significantly faster in multi-threaded (CPU Mark) testing, it is around 49% faster in single-thread testing. However, Intel Celeron N4020 @ 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 1481 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 Core i5-8257U @ 1.40GHz×Intel Celeron N4020 @ 1.10GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1528FCBGA1090
CPU ClassLaptopLaptop
Clockspeed1.4 GHz1.1 GHz
Turbo SpeedUp to 3.9 GHzUp to 2.8 GHz
# of Physical Cores4 (Threads: 8)2 (Threads: 2)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 112KB, L2: 4.0MB, L3: 0MB
TDP15W6W
Yearly Running Cost$2.74$1.10
OtherIntel Iris Plus Graphics 645Intel UHD Graphics 600
First Seen on ChartQ4 2019Q1 2020
# of Samples547934
CPU Value23.30.0
Single Thread Rating(% diff. to max in group)2261(0.0%)1146(-49.3%)
CPU Mark(% diff. to max in group)7466(0.0%)1549(-79.3%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i5-8257U @ 1.40GHz
7,466
Intel Celeron N4020 @ 1.10GHz
1,549
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 8th of January 2025 - Higher results represent better value
Intel Core i5-8257U @ 1.40GHz
23.3
Intel Celeron N4020 @ 1.10GHz
NA
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i5-8257U @ 1.40GHz
2,261
Intel Celeron N4020 @ 1.10GHz
1,146
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 Core i5-8257U @ 1.40GHz Intel Celeron N4020 @ 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.