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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Celeron N4020 vs Celeron N4120 vs i7-2640M

All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 3139 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 Celeron N4020 @ 1.10GHz×Intel Celeron N4120 @ 1.10GHz×Intel Core i7-2640M @ 2.80GHz+ ADD
Price Search Online Search Online Search Online
Socket TypeFCBGA1090FCBGA1090BGA1023
CPU ClassLaptopLaptopLaptop
Clockspeed1.1 GHz1.1 GHz2.8 GHz
Turbo SpeedUp to 2.8 GHzUp to 2.6 GHzUp to 3.5 GHz
# of Physical Cores2 (Threads: 2)4 (Threads: 4)2 (Threads: 4)
CacheL1: 112KB, L2: 4.0MB, L3: 0MBL1: 224KB, L2: 4.0MB, L3: 0MBL1: 128KB, L2: 0.5MB, L3: 4MB
TDP6W6W35W
Yearly Running Cost$1.10$1.10$6.39
OtherIntel UHD Graphics 600Intel UHD Graphics 600
First Seen on ChartQ1 2020Q1 2020Q4 2011
# of Samples10554171667
CPU Value0.00.029.6
Single Thread Rating(% diff. to max in group)1145(-23.3%)1079(-27.6%)1492(0.0%)
CPU Mark(% diff. to max in group)1554(-37.2%)2474(0.0%)2463(-0.4%)
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 Celeron N4020 @ 1.10GHz
1,554
Intel Celeron N4120 @ 1.10GHz
2,474
Intel Core i7-2640M @ 2.80GHz
2,463
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of April 2025 - Higher results represent better value
Intel Celeron N4020 @ 1.10GHz
NA
Intel Celeron N4120 @ 1.10GHz
NA
Intel Core i7-2640M @ 2.80GHz
29.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of April 2025 - Higher results represent better performance
Intel Celeron N4020 @ 1.10GHz
1,145
Intel Celeron N4120 @ 1.10GHz
1,079
Intel Core i7-2640M @ 2.80GHz
1,492
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 Celeron N4020 @ 1.10GHz Intel Celeron N4120 @ 1.10GHz Intel Core i7-2640M @ 2.80GHz
Max TDP6W6W35W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.