ShareDeck

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3h 19m

30fps No reports 40fps

3h 34m

60fps

3h 2m

2h 51m
14.0w
40fps
LCD
Configuration
Graphics preset medium
Screen refresh rate 40fps
Framerate limit 40fps
Average framerate 40fps
Tdp limit 8w
resolution 1280 x 800
System
Proton version 7.0-5
Steamos version 3.4
Note
DX11 with Enhanced engine. Medium settings with GPU particles on Low/Disabled, Film Grain and Contact Shadows off, and Fixed Scaling in 90. You'll need Proton GE 7.43 and activate DXVK_ASYNC=1 in launch parameters. 
antagram
(2 reports)
Playtime: 70h / 1492h
(last edit: over 3 years ago)
3h 38m
11.0w
60fps
LCD
Configuration
Graphics preset low
Screen refresh rate 60fps
Framerate limit none
Average framerate 60fps
Tdp limit none
resolution 1280 x 800
System
Proton version 7.0-5
Steamos version 3.4
Note
No settings changed on Steam Deck itself. 
Scholar Andrew
(1 report)
Playtime: 76h / 10130h
3h 46m
13.3w
45fps
OLED
Configuration
Graphics preset high
Screen refresh rate 45fps
Framerate limit 45fps
Average framerate 45fps
Tdp limit none
resolution 1280 x 800
System
Proton version 8.0-4
Steamos version 3.5
Note
Upscaling method: FSR 2.2 - quality
Geometry quality: high
Shadow quality: medium
Texture memory: high
Particle system memory: high
Gpu particle quality: medium
Anisotropic filtering: 8x
Trilinear filtering: on
Advanced setting default except enhanced decals off

Speedworth
(1 report)
Playtime: - / 36m
1h 49m
22.0w
60fps
LCD
Configuration
Graphics preset default
Screen refresh rate 60fps
Framerate limit 60fps
Average framerate 60fps
Tdp limit none
resolution 1280 x 800
System
Proton version 8.0-4
Steamos version 3.5
Note
Steam Deck LCD Delta Fan 512GB Jul 2023
Warframe [Update 35.5.2]

https://steamcommunity.com/sharedfiles/filedetails/?id=3206466801
https://steamcommunity.com/sharedfiles/filedetails/?id=3206468896
https://steamcommunity.com/sharedfiles/filedetails/?id=3206469167
https://steamcommunity.com/sharedfiles/filedetails/?id=3206469378

Suprised to see nobody making a proper settings guide for Warframe here. 
Bunch of mumbo-jumbo if you ask me.
This is for best overall performance and visual clarity, battery consumption is not a priority. But for those who want to know, you get one and a half hour of playtime with a full charge on it. Enjoy!
Vort
(1 report)
Playtime: - / 5782h