Dynabook Portege X30L-K review – this is an exquisite business notebook

Temperatures and comfort, Battery Life

Max CPU load

In this test we use 100% on the CPU cores, monitoring their frequencies and chip temperature. The first column shows a computer’s reaction to a short load (2-10 seconds), the second column simulates a serious task (between 15 and 30 seconds), and the third column is a good indicator of how good the laptop is for long loads such as video rendering.

Average P-core frequency; Average E-core frequency; CPU temp.; Package Power

This test practically confirmed our concerns about the performance of the P-series CPUs. It runs exceptionally in the first portion of the test but quickly throttles down to only 17W of TDP. Keep in mind that more than 90% of the use case of this device will live with loads no longer than 10 seconds. So in this perspective, the Portege X30L-K is great.

Comfort during full load

Dynabook prefers to run the laptop at a lower fan speed, which is another reason for the poor long-term performance of the product. On the bright side, the comfort during extreme workloads is great, and the maximum temperature over the keyboard is lower than 40°C.

Battery

Now, we conduct the battery tests with the Windows Better performance setting turned on, screen brightness adjusted to 120 nits and all other programs turned off except for the one we are testing the notebook with. This machine is equipped with a 53Wh battery pack. It lasts for 16 hours and 23 minutes of Web browsing, or 12 hours and 11 minutes of video playback.

Video playback

Brightness: 180 nits; Display Mode: SDR
Time to Full Discharge: Higher is Better

Dynabook Portege X30L-K 53Wh, 4-cell

11h 34m

Dynabook Portege X30L-J 53Wh, 4-cell

10h 11m-12%

Lenovo ThinkPad X13 Gen 3 54.7Wh

7h 09m-38.2%

Dell XPS Plus 9320 55Wh

11h 05m-4.2%

HP ProBook 635 Aero G8 53Wh, 3-cell

13h 16m+14.7%

ASUS Zenbook S 13 67Wh, 4-cell

15h 08m+30.8%

Acer Swift 5 56Wh, 4-cell

9h 39m-16.6%

Web surfing

In order to simulate real-life conditions, we used our own script for automatic web browsing through over 70 websites.

Dynabook Portege X30L-K 53Wh, 4-cell

16h 23m

Dynabook Portege X30L-J 53Wh, 4-cell

15h 10m-7.4%

Lenovo ThinkPad X13 Gen 3 54.7Wh

10h 20m-36.9%

Dell XPS Plus 9320 55Wh

20h 10m+23.1%

HP ProBook 635 Aero G8 53Wh, 3-cell

18h 03m+10.2%

ASUS Zenbook S 13 67Wh, 4-cell

11h 40m-28.8%

Acer Swift 5 56Wh, 4-cell

11h 40m-28.8%

Author: Alex Iliev

Author: eng. Kroum NikolovHead of Engineering at LaptopMedia.com, inventor and innovator with 40+ years of experience in electronics and high technology.

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