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Intel Atom C2538 vs i5-460M

The Intel Atom C2538 @ 2.40GHz is newer than Intel Core i5-460M @ 2.53GHz, while Intel Core i5-460M @ 2.53GHz is around 33% faster in multi-threaded (CPU Mark) testing and is significantly faster in single-thread testing. However, Intel Atom C2538 @ 2.40GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 2174 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 C2538 @ 2.40GHz×Intel Core i5-460M @ 2.53GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1283BGA1288
CPU ClassLaptopLaptop
Clockspeed2.4 GHz2.5 GHz
Turbo SpeedNot SupportedUp to 2.8 GHz
# of Physical Cores4 (Threads: 4)2 (Threads: 4)
CacheL1: 224KB, L2: 2.0MB, L3: 0MBL1: 128KB, L2: 0.5MB, L3: 3MB
TDP15W35W
Yearly Running Cost$2.74$6.39
Other
First Seen on ChartQ2 2018Q3 2010
# of Samples72167
CPU Value8.410.1
Single Thread Rating(% diff. to max in group)538(-52.3%)1130(0.0%)
CPU Mark(% diff. to max in group)874(-33.3%)1309(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of April 2025 - Higher results represent better performance
Intel Atom C2538 @ 2.40GHz
874
Intel Core i5-460M @ 2.53GHz
1,309
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of April 2025 - Higher results represent better value
Intel Atom C2538 @ 2.40GHz
8.4
Intel Core i5-460M @ 2.53GHz
10.1
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of April 2025 - Higher results represent better performance
Intel Atom C2538 @ 2.40GHz
538
Intel Core i5-460M @ 2.53GHz
1,130
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 C2538 @ 2.40GHz Intel Core i5-460M @ 2.53GHz
Max TDP15W35W
Power consumption per day (kWh)0.030.07
Running cost per day$0.007$0.018
Power consumption per year (kWh)10.925.6
Running cost per year$2.74$6.39
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.