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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Celeron N3350 @ 1.10GHz vs Intel Celeron N2840 @ 2.16GHz vs Intel Core i7-2640M @ 2.80GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.


×Intel Celeron N3350 @ 1.10GHz×Intel Celeron N2840 @ 2.16GHz×Intel Core i7-2640M @ 2.80GHz+ ADD
Price$275.491Search Online$125.051
Socket TypeFCBGA1296FCBGA1170BGA1023
CPU ClassLaptopLaptopLaptop
Clockspeed1.1 GHz2.2 GHz2.8 GHz
Turbo SpeedUp to 2.4 GHzUp to 2.6 GHzUp to 3.5 GHz
# of Physical Cores2 (Threads: 2)2 (Threads: 2)2 (Threads: 4)
Max TDP6W7W35W
Yearly Running Cost$1.10$1.28$6.39
First Seen on ChartQ4 2016Q4 2014Q4 2011
# of Samples76113951509
Single Thread Rating(% diff. to max in group)804(-45.6%)6683(-54.9%)1480(0.0%)
CPU Mark(% diff. to max in group)1115(-54.1%)580(-76.1%)2429(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 7th of August 2022 - Higher results represent better performance
Intel Celeron N3350 @ 1.10GHz
 1,115
Intel Celeron N2840 @ 2.16GHz
 580
Intel Core i7-2640M @ 2.80GHz
 2,429
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 7th of August 2022 - Higher results represent better value
Intel Celeron N3350 @ 1.10GHz
 4.05
Intel Celeron N2840 @ 2.16GHz
 NA
Intel Core i7-2640M @ 2.80GHz
 19.42
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 7th of August 2022 - Higher results represent better performance
Intel Celeron N3350 @ 1.10GHz
 804
Intel Celeron N2840 @ 2.16GHz
 668
Intel Core i7-2640M @ 2.80GHz
 1,480
PassMark Software © 2008-2022

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 N3350 @ 1.10GHzIntel Celeron N2840 @ 2.16GHzIntel Core i7-2640M @ 2.80GHz
Max TDP6W7W35W
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.