Crusader Kings III on Legion Go

Steam Deck Playable · faster GPUValve's ratingEstimate · medium confidence, ±20%

Yes. Valve rates Crusader Kings III Steam Deck Playable, and the Legion Go has a faster GPU than the Steam Deck OLED. At its native 2560×1600 we estimate ~35 fps on the medium preset (range 28–42, medium confidence, ±20%). 60 fps is out of reach; 40 fps works on low. Model estimate, not measured; data updated 2026-09-24.

Estimated FPS at native 2560×1600

Preset	Native 2560×1600	Range	Rendered at 1280×800
low	45	36–54	107
medium	35	28–42	82
high	27	22–32	63
ultra	22	17–26	51

Estimate · medium confidence, ±20%

Estimated FPS from our model (v0), based on the game's published requirements and relative GPU/CPU performance. Not measured. Real results vary with drivers, patches, and scenes. Values above 300 fps show as 300+. Data updated 2026-09-24.

Presets for 30 / 40 / 60 fps

30 fps at 2560×1600: medium preset
40 fps at 2560×1600: low preset
60 fps at 2560×1600: not reachable
40 fps rendered at 1280×800: ultra preset
60 fps rendered at 1280×800: high preset

AMD graphics: use FSR in quality or balanced mode (or the system-level RSR upscaler) before dropping the preset. DLSS is not available on AMD.

Frame cap and power

Screen: 2560×1600, 144 Hz, 49.2 Wh battery.
Even frame caps for 144 Hz: 36, 48, 72, 144 fps. The low end of our range (28 fps) is under 36 fps, so expect drops below any cap.
TDP: not measured yet. We don't publish wattage advice until we have measured runs.

Steam Deck rating

Valve rates Crusader Kings III Steam Deck Playable (tested on Steam Deck, not on the Legion Go).

Crusader Kings III on other handhelds (medium preset, native resolution)

Handheld	Screen	FPS at native	FPS at 1280×800	Verdict
MSI Claw 8 EX AI+	1920×1200	88	146	Steam Deck Playable · faster GPU
ROG Xbox Ally X	1920×1080	69	107	Steam Deck Playable · faster GPU
ROG Xbox Ally X20	1920×1080	69	107	Steam Deck Playable · faster GPU
Legion Go 2	1920×1200	62	102	Steam Deck Playable · faster GPU
MSI Claw 8 AI+	1920×1200	62	102	Steam Deck Playable · faster GPU
MSI Claw A8	1920×1200	62	102	Steam Deck Playable · faster GPU
MSI Claw 7 AI+	1920×1080	62	96	Steam Deck Playable · faster GPU
ROG Ally X	1920×1080	59	91	Steam Deck Playable · faster GPU
Legion Go	2560×1600	35	82	Steam Deck Playable · faster GPU
ROG Ally (Ryzen Z1 Extreme)	1920×1080	53	82	Steam Deck Playable · faster GPU
Legion Go S (Ryzen Z1 Extreme)	1920×1200	50	82	Steam Deck Playable · faster GPU
Legion Go 2 (Ryzen Z2)	1920×1200	50	82	Steam Deck Playable · faster GPU
Steam Deck OLED	1280×800	73	73	Steam Deck Playable
Steam Deck LCD	1280×800	68	68	Steam Deck Playable
ROG Xbox Ally	1920×1080	41	63	Meets minimum
Legion Go S	1920×1200	38	63	Meets minimum
MSI Claw A1M	1920×1080	41	63	Meets minimum
ROG Ally (Ryzen Z1)	1920×1080	31	48	Meets minimum

Native = each device's own screen resolution; 1280×800 compares GPUs at the same render resolution. A faster handheld is the upgrade path here; desktop cards don't apply.