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Intel i3-8140U vs i3-1005G1

The Intel Core i3-8140U @ 2.10GHz is newer than Intel Core i3-1005G1 @ 1.20GHz and is around -13% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 2132 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 i3-8140U @ 2.10GHz×Intel Core i3-1005G1 @ 1.20GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1528FCBGA1526
CPU ClassLaptopLaptop
Clockspeed2.1 GHz1.2 GHz
Turbo SpeedUp to 3.9 GHzUp to 3.4 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 4MBL1: 160KB, L2: 1.0MB, L3: 4MB
TDP15W15W
Yearly Running Cost$2.74$2.74
OtherIntel UHD Graphics 620Intel UHD Graphics
First Seen on ChartQ1 2022Q3 2019
# of Samples32129
CPU Value0.017.2
Single Thread Rating(% diff. to max in group)2135(-0.9%)2154(0.0%)
CPU Mark(% diff. to max in group)4227(-12.5%)4833(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 8th of November 2025 - Higher results represent better performance
Intel Core i3-8140U @ 2.10GHz
4,227
Intel Core i3-1005G1 @ 1.20GHz
4,833
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 8th of November 2025 - Higher results represent better value
Intel Core i3-8140U @ 2.10GHz
NA
Intel Core i3-1005G1 @ 1.20GHz
17.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 8th of November 2025 - Higher results represent better performance
Intel Core i3-8140U @ 2.10GHz
2,135
Intel Core i3-1005G1 @ 1.20GHz
2,154
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 i3-8140U @ 2.10GHz Intel Core i3-1005G1 @ 1.20GHz
Max TDP15W15W
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.