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Intel Atom Z3770D vs Celeron N2820

The Intel Atom Z3770D @ 1.49GHz is newer than Intel Celeron N2820 @ 2.13GHz, while the multi-threaded (CPU Mark) is simliar, Intel Celeron N2820 @ 2.13GHz is around 40% faster in single-thread testing. However, Intel Atom Z3770D @ 1.49GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 235 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 Z3770D @ 1.49GHz×Intel Celeron N2820 @ 2.13GHz+ ADD
Price Search Online Search Online
Socket TypeBGA1380FCBGA1170
CPU ClassLaptopLaptop
Clockspeed1.5 GHz2.1 GHz
Turbo SpeedUp to 2.4 GHzUp to 2.4 GHz
# of Physical Cores4 (Threads: 4)2 (Threads: 2)
CacheL1: 448KB, L2: 2.0MB, L3: 0MBL1: 112KB, L2: 1.0MB, L3: 0MB
TDP4.4W7.5W
Yearly Running Cost$0.73$1.28
Other
First Seen on ChartQ2 2014Q1 2014
# of Samples1234
CPU Value0.02.2
Single Thread Rating(% diff. to max in group)361(-40.0%)6023(0.0%)
CPU Mark(% diff. to max in group)488(-2.9%)502(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 7th of April 2025 - Higher results represent better performance
Intel Atom Z3770D @ 1.49GHz
488
Intel Celeron N2820 @ 2.13GHz
502
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 7th of April 2025 - Higher results represent better value
Intel Atom Z3770D @ 1.49GHz
NA
Intel Celeron N2820 @ 2.13GHz
2.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 7th of April 2025 - Higher results represent better performance
Intel Atom Z3770D @ 1.49GHz
361
Intel Celeron N2820 @ 2.13GHz
602
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 Z3770D @ 1.49GHz Intel Celeron N2820 @ 2.13GHz
Max TDP4.4W7.5W
Power consumption per day (kWh)0.010.01
Running cost per day$0.002$0.004
Power consumption per year (kWh)3.25.5
Running cost per year$0.80$1.37
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.