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Intel Atom N570 vs i7-2640M

The Intel Core i7-2640M @ 2.80GHz is newer than Intel Atom N570 @ 1.66GHz and is significantly faster in multi-threaded (CPU Mark) testing and is significantly faster in single-thread testing. However, Intel Atom N570 @ 1.66GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 1767 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 N570 @ 1.66GHz×Intel Core i7-2640M @ 2.80GHz+ ADD
Price Search Online $83.11 - BUY
Socket TypeBGA559BGA1023
CPU ClassLaptopLaptop
Clockspeed1.7 GHz2.8 GHz
Turbo SpeedNot SupportedUp to 3.5 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 56KB, L2: 0.5MB, L3: 0MBL1: 128KB, L2: 0.5MB, L3: 4MB
TDP8.5W35W
Yearly Running Cost$1.46$6.39
Other
First Seen on ChartQ2 2011Q4 2011
# of Samples1131654
CPU Value4.029.7
Single Thread Rating(% diff. to max in group)273(-81.8%)1496(0.0%)
CPU Mark(% diff. to max in group)341(-86.2%)2465(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 5th of February 2025 - Higher results represent better performance
Intel Atom N570 @ 1.66GHz
341
Intel Core i7-2640M @ 2.80GHz
2,465
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 5th of February 2025 - Higher results represent better value
Intel Atom N570 @ 1.66GHz
4.0
Intel Core i7-2640M @ 2.80GHz
29.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 5th of February 2025 - Higher results represent better performance
Intel Atom N570 @ 1.66GHz
273
Intel Core i7-2640M @ 2.80GHz
1,496
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 N570 @ 1.66GHz Intel Core i7-2640M @ 2.80GHz
Max TDP8.5W35W
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.