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Intel Atom Z3745D vs Atom Z3775

The Intel Atom Z3745D @ 1.33GHz is newer than Intel Atom Z3775 @ 1.46GHz and is around -15% slower in multi-threaded (CPU Mark) testing. The Intel Atom Z3745D @ 1.33GHz is around -18% slower in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 219 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 Z3745D @ 1.33GHz×Intel Atom Z3775 @ 1.46GHz+ ADD
Price Search Online Search Online
Socket TypeNA2UTFCBGA1380
CPU ClassLaptopLaptop
Clockspeed1.3 GHz1.5 GHz
Turbo SpeedUp to 1.8 GHzUp to 2.4 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 448KB, L2: 2.0MB, L3: 0MBL1: 448KB, L2: 2.0MB, L3: 0MB
TDP4.4W4W
Yearly Running Cost$0.73$0.73
OtherIntel HD Graphics for Intel Atom Processor Z3700 Series
First Seen on ChartQ4 2014Q3 2014
# of Samples13206
CPU Rank48714753
CPU Value0.01.4
Single Thread Rating(% diff. to max in group)415(-18.1%)506(0.0%)
CPU Mark(% diff. to max in group)599(-14.8%)702(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 24th of January 2026 - Higher results represent better performance
Intel Atom Z3745D @ 1.33GHz
599
Intel Atom Z3775 @ 1.46GHz
702
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 24th of January 2026 - Higher results represent better value
Intel Atom Z3745D @ 1.33GHz
NA
Intel Atom Z3775 @ 1.46GHz
1.4
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 24th of January 2026 - Higher results represent better performance
Intel Atom Z3745D @ 1.33GHz
415
Intel Atom Z3775 @ 1.46GHz
506
PassMark Software © 2008-2026
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 Z3745D @ 1.33GHz Intel Atom Z3775 @ 1.46GHz
Max TDP4.4W4W
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.