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Intel Atom Z3770 vs Core2 Duo T7400

The Intel Atom Z3770 @ 1.46GHz is newer than Intel Core2 Duo T7400 @ 2.16GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, Intel Atom Z3770 @ 1.46GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 258 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 Z3770 @ 1.46GHz×Intel Core2 Duo T7400 @ 2.16GHz+ ADD
Price Search Online Search Online
Socket TypeUTFCBGA1380BGA479
CPU ClassLaptopLaptop
Clockspeed1.5 GHz2.2 GHz
Turbo SpeedUp to 2.4 GHzNot Supported
# of Physical Cores4 (Threads: 4)2 (Threads: 2)
CacheL1: 448KB, L2: 2.0MB, L3: 0MBL1: 128KB, L2: 4.0MB, L3: 0MB
TDP4W34W
Yearly Running Cost$0.73$6.21
Other
First Seen on ChartQ4 2013Q3 2010
# of Samples88170
CPU Rank48174778
CPU Value4.95.0
Single Thread Rating(% diff. to max in group)535(-30.1%)7663(0.0%)
CPU Mark(% diff. to max in group)728(-3.5%)755(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 9th of March 2026 - Higher results represent better performance
Intel Atom Z3770 @ 1.46GHz
728
Intel Core2 Duo T7400 @ 2.16GHz
755
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 9th of March 2026 - Higher results represent better value
Intel Atom Z3770 @ 1.46GHz
4.9
Intel Core2 Duo T7400 @ 2.16GHz
5.0
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 9th of March 2026 - Higher results represent better performance
Intel Atom Z3770 @ 1.46GHz
535
Intel Core2 Duo T7400 @ 2.16GHz
766
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 Z3770 @ 1.46GHz Intel Core2 Duo T7400 @ 2.16GHz
Max TDP4W34W
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.