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Intel Atom Z3745 vs Celeron Dual- T3100

The Intel Atom Z3745 @ 1.33GHz is newer than Celeron Dual-Core T3100 @ 1.90GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, Intel Atom Z3745 @ 1.33GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 244 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 Z3745 @ 1.33GHz×Celeron Dual-Core T3100 @ 1.90GHz+ ADD
Price Search Online $35.68 - BUY
Socket TypeUTFCBGA1380BGA479
CPU ClassLaptopLaptop
Clockspeed1.3 GHz1.9 GHz
Turbo SpeedUp to 1.9 GHzNot Supported
# of Physical Cores4 (Threads: 4)2 (Threads: 2)
CacheL1: 448KB, L2: 2.0MB, L3: 0MBL1: 128KB, L2: 1.0MB, L3: 0MB
TDP4W35W
Yearly Running Cost$0.73$6.39
OtherIntel HD Graphics for Intel Atom Processor Z3700 Series
First Seen on ChartQ1 2014Q4 2009
# of Samples98146
CPU Value20.717.5
Single Thread Rating(% diff. to max in group)435(-34.3%)6623(0.0%)
CPU Mark(% diff. to max in group)621(-0.6%)625(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 16th of November 2025 - Higher results represent better performance
Intel Atom Z3745 @ 1.33GHz
621
Celeron Dual-Core T3100 @ 1.90GHz
625
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 16th of November 2025 - Higher results represent better value
Intel Atom Z3745 @ 1.33GHz
20.7
Celeron Dual-Core T3100 @ 1.90GHz
17.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 16th of November 2025 - Higher results represent better performance
Intel Atom Z3745 @ 1.33GHz
435
Celeron Dual-Core T3100 @ 1.90GHz
662
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 Z3745 @ 1.33GHz Celeron Dual-Core T3100 @ 1.90GHz
Max TDP4W35W
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.