Comparison · Handhelds 2026

Steam Deck OLED vs ROG Ally X vs Legion Go S

Three handhelds, three operating systems, three different bets on what handheld PC gaming should feel like. Here is how they actually compare in practice, not on the spec sheet.

Spec by spec

Steam Deck OLEDROG Ally XLegion Go S
Display7.4" OLED · 1280x800 · 90Hz7" IPS · 1920x1080 · 120Hz8" IPS · 2560x1600 · 144Hz
ProcessorZen 2 · 4c/8t · RDNA 2Z1 Extreme · 8c/16tZ1 Extreme · 8c/16t
Memory16 GB LPDDR524 GB LPDDR5X16 GB LPDDR5X
Storage512 GB / 1 TB NVMe1 TB NVMe512 GB / 1 TB NVMe
Battery50 Wh · 5-10 hr80 Wh · 3-7 hr55 Wh · 4-8 hr
Weight640 g678 g640 g
OSSteamOSWindows 11SteamOS / Windows
Starting price$549$799$729

Real-world benchmarks

Cyberpunk 2077720p · Medium · FSR Quality
Steam Deck OLED
44fps
ROG Ally X
62fps
Legion Go S
58fps
Baldur's Gate 3900p · High
Steam Deck OLED
32fps
ROG Ally X
49fps
Legion Go S
46fps
Hades IINative · High
Steam Deck OLED
60fps
ROG Ally X
60fps
Legion Go S
60fps
Battery, idle50% brightness · home
Steam Deck OLED
11.2hr
ROG Ally X
7.4hr
Legion Go S
9.1hr
Battery, gamingAAA · 15W TDP
Steam Deck OLED
3.8hr
ROG Ally X
2.6hr
Legion Go S
3.2hr
Surface tempSustained load · grip
Steam Deck OLED
38C
ROG Ally X
42C
Legion Go S
39C