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Intel Atom C2758 vs i7-620M

The Intel Atom C2758 @ 2.40GHz is newer than Intel Core i7-620M @ 2.67GHz also around 18% faster in multi-threaded (CPU Mark) testing, but Intel Core i7-620M @ 2.67GHz is significantly faster in single-thread testing. However, Intel Atom C2758 @ 2.40GHz uses substantially less power. The CPUs selected in this comparison belong in different CPU Classes: Laptop, Mobile/Embedded. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 1455 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 C2758 @ 2.40GHz×Intel Core i7-620M @ 2.67GHz+ ADD
Price Search Online Search Online
Socket TypeBGA 1283BGA1288
CPU ClassLaptop, Mobile/EmbeddedLaptop
Clockspeed2.4 GHz2.7 GHz
Turbo SpeedNot SupportedUp to 3.3 GHz
# of Physical Cores8 (Threads: 8)2 (Threads: 4)
CacheL1: 448KB, L2: 2.0MB, L3: 0MBL1: 128KB, L2: 0.5MB, L3: 4MB
TDP20W35W
Yearly Running Cost$3.65$6.39
Other
First Seen on ChartQ3 2015Q1 2010
# of Samples101445
CPU Value11.211.3
Single Thread Rating(% diff. to max in group)576(-55.2%)1287(0.0%)
CPU Mark(% diff. to max in group)2397(0.0%)1977(-17.5%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 3rd of December 2024 - Higher results represent better performance
Intel Atom C2758 @ 2.40GHz
2,397
Intel Core i7-620M @ 2.67GHz
1,977
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 3rd of December 2024 - Higher results represent better value
Intel Atom C2758 @ 2.40GHz
11.2
Intel Core i7-620M @ 2.67GHz
11.3
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 3rd of December 2024 - Higher results represent better performance
Intel Atom C2758 @ 2.40GHz
576
Intel Core i7-620M @ 2.67GHz
1,287
PassMark Software © 2008-2024
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 C2758 @ 2.40GHz Intel Core i7-620M @ 2.67GHz
Max TDP20W35W
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.