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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-8265U vs i3-8145U vs i7-640M

All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 6081 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 i5-8265U @ 1.60GHz×Intel Core i3-8145U @ 2.10GHz×Intel Core i7-640M @ 2.80GHz+ ADD
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Socket TypeFCBGA1528FCBGA1528BGA1288
CPU ClassLaptopLaptopLaptop
Clockspeed1.6 GHz2.1 GHz2.8 GHz
Turbo SpeedUp to 3.9 GHzUp to 3.9 GHzUp to 3.5 GHz
# of Physical Cores4 (Threads: 8)2 (Threads: 4)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 128KB, L2: 0.5MB, L3: 4MBL1: 128KB, L2: 0.5MB, L3: 4MB
TDP15W15W35W
Yearly Running Cost$2.74$2.74$6.39
OtherIntel UHD Graphics 620Intel UHD Graphics 620
First Seen on ChartQ3 2018Q4 2018Q4 2010
# of Samples4579760742
CPU Value11.813.414.7
Single Thread Rating(% diff. to max in group)2046(-1.6%)2081(0.0%)1375(-33.9%)
CPU Mark(% diff. to max in group)5882(0.0%)3776(-35.8%)2086(-64.5%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 28th of March 2025 - Higher results represent better performance
Intel Core i5-8265U @ 1.60GHz
5,882
Intel Core i3-8145U @ 2.10GHz
3,776
Intel Core i7-640M @ 2.80GHz
2,086
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 28th of March 2025 - Higher results represent better value
Intel Core i5-8265U @ 1.60GHz
11.8
Intel Core i3-8145U @ 2.10GHz
13.4
Intel Core i7-640M @ 2.80GHz
14.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 28th of March 2025 - Higher results represent better performance
Intel Core i5-8265U @ 1.60GHz
2,046
Intel Core i3-8145U @ 2.10GHz
2,081
Intel Core i7-640M @ 2.80GHz
1,375
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 Core i5-8265U @ 1.60GHz Intel Core i3-8145U @ 2.10GHz Intel Core i7-640M @ 2.80GHz
Max TDP15W15W35W
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.