Handheld gaming PCs compared: ROG Xbox Ally, Legion Go, Legion Go S, Steam Deck

Current handheld gaming PCs range from the 640 g Steam Deck OLED to the 920 g Legion Go with its detachable controllers, with screens from 7 to 8.8 inches and batteries from 50 to 80 Wh. The table compares processors, memory, screens, ports, operating systems and weight across the ROG Xbox Ally models, Lenovo’s Legion Go and Legion Go S, and the Steam Deck OLED.

Black ROG Xbox Ally X handheld on a display standROG Xbox Ally XROG Xbox AllyLegion Go (Z2 Extreme)Legion Go S 8ARP1Steam Deck OLED handheld showing its home screenSteam Deck OLED
Operating systemWindows 11 Home[1]Windows 11 Home[2]Windows 11 Home[3]Windows 11 Home or SteamOS[4]—
ProcessorAMD Ryzen AI Z2 Extreme: 8 cores / 16 threads, 2.0–5.0 GHz, 24 MB cache; NPU up to 50 TOPS[1]AMD Ryzen Z2 A: 4 cores / 8 threads, 2.8–3.8 GHz, 6 MB cache[2]AMD Ryzen Z2 Extreme: 8 cores / 16 threads, 2.0–5.0 GHz[3]AMD Ryzen Z2 Go: 4 cores / 8 threads, 3.0–4.3 GHz[4]Zen 2, 4 cores / 8 threads, 2.4–3.5 GHz (up to 448 GFLOPS FP32)[5]
Memory24 GB LPDDR5X, on board[1]16 GB LPDDR5-6400, on board[2]16 or 32 GB LPDDR5X (runs at 8000), soldered[3]16 or 32 GB LPDDR5-6400 or LPDDR5X-6400, soldered[4]—
RAM————16 GB LPDDR5, 6400 MT/s[5]
Storage1 TB PCIe 4.0 NVMe M.2 2280[1]512 GB PCIe 4.0 NVMe M.2 2280[2]512 GB / 1 TB M.2 2242 or 2 TB M.2 2280; one PCIe 4.0 x4 M.2 2280 slot[3]512 GB / 1 TB M.2 2242; one PCIe 4.0 x4 M.2 2280 slot[4]512 GB or 1 TB NVMe SSD[5]
Display7-inch IPS-level, 1920 × 1080, 120 Hz, 500 nits, FreeSync Premium, touch[1]7-inch IPS-level, 1920 × 1080, 120 Hz, 500 nits, FreeSync Premium, touch[2]8.8-inch OLED, 1920 × 1200, 144 Hz, touch; 1,100 nits HDR peak / 500 nits SDR[3]8-inch IPS, 1920 × 1200, 48–120 Hz VRR, 500 nits, touch[4]7.4-inch HDR OLED, 1280 × 800, touch[5]
Battery80 Wh[1]60 Wh[2]74 Wh; Rapid Charge to 50 % in 30 min[3]55.5 Wh; Super Rapid Charge 0–70 % in 30 min[4]50 Wh; 3–12 hours of gameplay[5]
USB-C1× USB4 (Thunderbolt 4 compliant, DP 1.4, PD 3.0) + 1× USB 3.2 Gen 2 (DP, PD)[1]2× USB 3.2 Gen 2 (DP, PD); no USB4[2]2× USB4 40 Gbps (PD 65–100 W in, 15 W out, DisplayPort 2.1); 2× charge-only USB-C on the controllers[3]2× USB4 40 Gbps (PD 65–100 W in, 15 W out, DisplayPort 1.4)[4]—
External display————DisplayPort over USB-C, up to 8K 60 Hz or 4K 120 Hz; USB 3 Gen 2[5]
Weight715 g[1]670 g[2]around 920 g with controllers; controllers under 210 g[3]around 740 g[4]approx. 640 g[5]

Highlighted rows differ between models.

Photos: ROG Xbox Ally X: Kyu3a, CC BY-SA 4.0, via Wikimedia Commons; Steam Deck OLED: SparklesTrainNerd, CC BY-SA 4.0, via Wikimedia Commons

Limitation These are spec-sheet figures, not benchmarks. Battery-life claims are left out because manufacturers measure them in different ways.

Operating system

  • Windows 11 Home: ROG Xbox Ally, ROG Xbox Ally X and the Legion Go (Z2 Extreme and Z2). On Windows 11 24H2 and later, Xbox mode can launch at sign-in as a controller-first front end.
  • Windows 11 or SteamOS, chosen at purchase: Legion Go S.
  • SteamOS: Steam Deck.

Screens

The two ROG models use a 7-inch 1080p IPS-level panel at 120 Hz. The Legion Go S has an 8-inch 1920 × 1200 IPS panel at 48–120 Hz VRR. The Legion Go (Z2 Extreme) has an 8.8-inch 1920 × 1200 OLED at 144 Hz. The Steam Deck OLED has a 7.4-inch 1280 × 800 HDR OLED at up to 90 Hz.

Storage

The ROG models and the Legion Go take a full-length M.2 2280 SSD. The Legion Go S ships with a 2242 drive in a 2280 slot. All five have a microSD reader, and the ROG models specify UHS-II.

Not included

The MSI Claw is missing because MSI’s specification pages block automated access, so its specs couldn’t be verified for this comparison.

Per-model pages: ROG Xbox Ally vs Ally X · Legion Go · Legion Go S · Steam Deck OLED vs LCD

Sources

Last checked

  1. ROG Xbox Ally X (2025) RC73XA – Tech Specs ASUS ROG · Manufacturer product page
  2. ROG Xbox Ally (2025) RC73YA – Tech Specs ASUS ROG · Manufacturer product page
  3. PSREF: Legion Go 8ASP2 Lenovo (PSREF) · Manual / spec sheet
  4. PSREF: Legion Go S 8ARP1 Lenovo (PSREF) · Manual / spec sheet
  5. Steam Deck OLED Tech Specs Valve · Manufacturer product page

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