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Intel i7-940XM vs i5-2540M

The Intel Core i5-2540M @ 2.60GHz is newer than Intel Core i7-940XM @ 2.13GHz also around 7% faster in multi-threaded (CPU Mark) testing, it is around 19% faster in single-thread testing. However, Intel Core i7-940XM @ 2.13GHz uses around 44% more power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 1922 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 Core i7-940XM @ 2.13GHz×Intel Core i5-2540M @ 2.60GHz+ ADD
Price Search Online Search Online
Socket TypePGA988BGA1023
CPU ClassLaptopLaptop
Clockspeed2.1 GHz2.6 GHz
Turbo SpeedUp to 3.3 GHzUp to 3.3 GHz
# of Physical Cores4 (Threads: 8)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 128KB, L2: 0.5MB, L3: 3MB
TDP55W35W
Yearly Running Cost$10.04$6.39
Other
First Seen on ChartQ3 2010Q4 2010
# of Samples1081814
CPU Value0.029.6
Single Thread Rating(% diff. to max in group)1139(-19.1%)1409(0.0%)
CPU Mark(% diff. to max in group)2209(-6.6%)2365(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 28th of November 2024 - Higher results represent better performance
Intel Core i7-940XM @ 2.13GHz
2,209
Intel Core i5-2540M @ 2.60GHz
2,365
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 28th of November 2024 - Higher results represent better value
Intel Core i7-940XM @ 2.13GHz
NA
Intel Core i5-2540M @ 2.60GHz
29.6
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 28th of November 2024 - Higher results represent better performance
Intel Core i7-940XM @ 2.13GHz
1,139
Intel Core i5-2540M @ 2.60GHz
1,409
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 Core i7-940XM @ 2.13GHz Intel Core i5-2540M @ 2.60GHz
Max TDP55W35W
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.