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Intel 3 100U vs Ultra 7 155U

Both CPUs were released (or first benchmaked) within the last year, while Intel Core Ultra 7 155U is around 13% faster in multi-threaded (CPU Mark) testing, but Intel Core 3 100U is around 8% faster in single-thread testing. 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 282 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 3 100U×Intel Core Ultra 7 155U+ ADD
Price Search Online Search Online
Socket TypeFCBGA1744FCBGA2049
CPU ClassLaptopLaptop
Clockspeed1.2 GHz1.7 GHz
Turbo SpeedUp to 4.7 GHzUp to 4.8 GHz
# of Physical Cores6 (Threads: 8)12 (Threads: 14)
CacheL1: 544KB, L2: 4.5MB, L3: 10MBL1: 1,184KB, L2: 10.0MB, L3: 12MB
TDP15W15W
Yearly Running Cost$2.74$2.74
OtherIntel GraphicsIntel Graphics, Intel AI Boost
First Seen on ChartQ1 2024Q1 2024
# of Samples76206
CPU Value0.034.2
Single Thread Rating(% diff. to max in group)3769(0.0%)3456(-8.3%)
CPU Mark(% diff. to max in group)14493(-13.4%)16742(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 22nd of December 2024 - Higher results represent better performance
Intel Core 3 100U
14,493
Intel Core Ultra 7 155U
16,742
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 22nd of December 2024 - Higher results represent better value
Intel Core 3 100U
NA
Intel Core Ultra 7 155U
34.2
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 22nd of December 2024 - Higher results represent better performance
Intel Core 3 100U
3,769
Intel Core Ultra 7 155U
3,456
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 3 100U Intel Core Ultra 7 155U
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.