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Intel i7-8650U vs i7-3920XM

The Intel Core i7-8650U @ 1.90GHz is newer than Intel Core i7-3920XM @ 2.90GHz also around 9% faster in multi-threaded (CPU Mark) testing, it is around 10% faster in single-thread testing. However, Intel Core i7-8650U @ 1.90GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 3634 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 i7-8650U @ 1.90GHz×Intel Core i7-3920XM @ 2.90GHz+ ADD
Price Search Online Search Online
Socket TypeFC-BGA1356FCPGA988
CPU ClassLaptopLaptop
Clockspeed1.9 GHz2.9 GHz
Turbo SpeedUp to 4.2 GHzUp to 3.8 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP15W55W
Yearly Running Cost$2.74$10.04
Other Intel UHD Graphics 620
First Seen on ChartQ3 2017Q2 2012
# of Samples3524110
CPU Value6.05.2
Single Thread Rating(% diff. to max in group)2125(0.0%)1916(-9.8%)
CPU Mark(% diff. to max in group)6250(0.0%)5710(-8.6%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Core i7-8650U @ 1.90GHz
6,250
Intel Core i7-3920XM @ 2.90GHz
5,710
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of December 2024 - Higher results represent better value
Intel Core i7-8650U @ 1.90GHz
6.0
Intel Core i7-3920XM @ 2.90GHz
5.2
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Core i7-8650U @ 1.90GHz
2,125
Intel Core i7-3920XM @ 2.90GHz
1,916
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 i7-8650U @ 1.90GHz Intel Core i7-3920XM @ 2.90GHz
Max TDP15W55W
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.