Monitor scaling factor test data page
Intro
This page contains a list hardware and the scaling factor that gives the "best" result in terms of UI element and text size.
Test data
Hardware |
Type |
Resolution |
Real physical dimension |
Reported physical dimension |
Real DPI |
Calculated DPI (width, height, medium) |
Best scaling factor |
Notes |
Lenovo ThinkPad T440s |
14" FHD laptop panel |
1920x1080 |
310mm x 174mm |
310mm x 170mm |
|
157.3 x 161.4 (159.3) |
1 |
|
Lenovo ThinkPad T460s |
14" WQHD laptop panel |
2560x1440 |
|
310mm x 174mm |
|
209.8 x 210.2 (210) |
1.25 - 1.5 |
|
Lenovo ThinkPad T460p |
14" FHD laptop panel |
1920x1080 |
310mm x 174mm |
309mm x 174mm |
|
157.8 x 157.7 (157.75) |
1 |
|
Dell Precision M7520 |
15" laptop panel |
1920x1080 |
|
344mm x 194mm |
|
141.8+141.4 (141.6) |
1 |
|
Dell XPS 13 (9343) |
13" laptop panel |
3200x1800 |
293mm x 165mm |
294mm x 165mm |
|
|
1.5 - 1.75 |
|
Dell XPS 13 (9343) |
13" laptop panel |
1920×1080 |
295mm × 164mm |
290mm × 170mm |
|
168.2 × 161.4 (164.8) (from size 165.3 × 167.3 (166.3)) |
1.5 |
|
Dell XPS 13 (9360) |
13" laptop panel |
3200x1800 |
294mm x 165mm |
290mm x 170mm |
|
280.3 x 268.9 (274.6) |
1.5 - 1.75 |
Need to check again as xrandr has different reported sizes: 294mm x 165mm |
Dell XPS 15 (9550) |
15" laptop panel |
3840x2160 |
345.60mm x 194.50mm |
346mm x 194mm |
|
283 x 282 (282.5) |
1.5 - 1.75 - 2 |
|
Dell Precision 5520 |
15" laptop panel |
3840x2160 |
345mm x 194mm |
350mm x 190mm |
|
278.7 x 288.8 (283.75) |
1.75 - 2 |
|
Dell Inspiron 15 5568 |
15" laptop panel |
3840x2160 |
344mm x 194mm |
344mm x 194mm |
|
283.5 x 282.8 (283.15) |
1.75 - 2 |
|
HP Spectre x360 |
15" laptop panel |
3840x2160 |
344mm x 194mm |
340mm x 190mm |
282 |
283.5 x 282.8 (283.15) |
1.5 - 2 |
|
Dell P2415Qb |
24" monitor |
3840x2160 |
529mm x 297mm |
530mm x 300mm |
178.5 |
184.0 x 182.9 (183.5) |
1.5 - 1.75 |
Pixel pitch is 0.13725 mm according to spec |
GPD Pocket |
7" pocket laptop |
1920x1200 |
|
151mm x 94mm |
323.45 |
(323.45) |
1.5 - 2.0 (source) |
|
Microsoft Surface 3 |
10.8" convertible |
1920x1280 |
|
228mm x 152mm |
214 |
(214) |
??? |
|
MacBook Pro 2017 |
13" laptop panel |
2560x1600 |
|
290mm x 180mm |
|
224 x 226 (225) |
1.4 - 1.6 |
|
Dell UP2718Q |
27" HDR monitor |
3840x2160 |
|
600mm x 340mm |
|
164 x 164 |
1.25 - 1.5 |
|
Description of fields
Hardware: Hardware tested
Type: Type of hardware, e.g. 14" laptop or 24" monitor
Resolution: Pixel resolution the device is expected to have by default
Real physical dimension: Physical dimension of the screen (not including border around the actual visible pixels)
Reported physical dimension: Physical dimension as reported by EDID
Real DPI: DPI either calculated using the resolution and real physical dimension, or according to hardware specification
Calculated DPI: DPI calculated from EDID data
Best scaling factor: Scaling factor that gives the "best" experience
Notes: Related notes, e.g. how real DPI was calculated