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ASUS ROG Ally X (2024) vs Valve Steam Deck LCD

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

ASUSROG Ally X (2024)ValveSteam Deck LCD
Overview
ReleasedJuly 2024February 2022
Performance
TypeHandheldHandheld
CPUAMD Ryzen Z1 Extreme, 8 coresAMD Zen 2, 4 cores / 8 threads
GPUAMD Radeon Graphics, RDNA 3AMD RDNA 2, 8 CUs
GPU compute8.6 TFLOPS1.6 TFLOPS
Memory24 GB16 GB
Storage1 TB, 2 TB64 GB, 256 GB, 512 GB
Disc driveNoNo
CPUZen 4, 4 nm, 8 cores / 16 threads, 24 MB total cache and up to 5.10 GHz; 9–30 W processor power range7 nm AMD APU; Zen 2, 4 cores / 8 threads, 2.4–3.5 GHz (up to 448 GFlops FP32); APU power 4–15 W
GPURDNA 3, 12 compute units and up to 2.7 GHz; graphics share system memory8 RDNA 2 compute units at 1.6 GHz (1.6 TFlops FP32)
Memory detail24 GB on board, dual channel; launch announcement specifies LPDDR5X-7500, while current maker tables say LPDDR516 GB LPDDR5 on-board, 5500 MT/s, quad 32-bit channels
Storage detailPCIe 4.0 NVMe M.2 2280 SSD; 1 TB in the global sheet and an additional 2 TB configuration in the US sheet; availability varies by market64 GB, 256 GB and 512 GB versions were sold; Valve has stopped producing the LCD model
Storage expansionReplaceable M.2 2280 SSD and UHS-II microSD reader for SD, SDHC and SDXCHigh-speed microSD slot (UHS-I; SD, SDHC and SDXC)
Display and video
Maximum output–8K up to 120 fps
Built-in screen7″ LCD, 1920 × 1080, 120 Hz7″ LCD, 1280 × 800, 60 Hz
Built-in screenIPS-level, anti-glare and low-reflection; 500 nits, 100% sRGB and 75.35% Adobe RGB; 7 ms response; 10-point touch; Gorilla Glass Victus1280 × 800 optically bonded IPS LCD touchscreen; 400 nits typical; ambient light sensor
Video outputDisplayPort over both USB-C ports; USB4 port specifies DisplayPort 1.4 and FreeSync support; no maximum external resolution or frame rate published in the sheets usedDisplayPort 1.4 Alt-mode over USB-C; up to 8K at 60 Hz or 4K at 120 Hz
Variable refresh rateAMD FreeSync Premium on the built-in display–
AudioTwo speakers with Smart Amplifier, Dolby Atmos, headphone Hi-Res certification, array microphone and AI noise cancellingStereo speakers with embedded DSP; dual microphone array; 3.5 mm headset jack; multichannel audio over DisplayPort, USB-C or Bluetooth
Design and power
Battery life (maker's claim)–Up to 8 hours
Weight678 g669 g
Battery life detail80 Wh, four-cell lithium-ion; no claimed gaming runtime40 Wh; 2–8 hours of gameplay depending on content
Power use65 W USB-C adapter, 20 V / 3.25 A; whether a charger is included varies by country and model45 W USB PD 3.0 power supply with 1.5 m cable
ColoursBlack; maker dimensions 28.0 × 11.1 × 2.47–3.69 cm (W × D × H)–
Connections
PortsUSB4 Type-C with Thunderbolt 4 compliance and Power Delivery 3.0; USB 3.2 Gen 2 Type-C with DisplayPort and power delivery; 3.5 mm combo jack; UHS-II microSD reader1 × USB-C (DisplayPort 1.4 Alt-mode, USB 3.2 Gen 2, charging), 3.5 mm headset jack, microSD slot
Wi-Fi and BluetoothWi-Fi 6E, tri-band 2 × 2; current maker sheets specify Bluetooth 5.4 and say the version may vary with the operating systemDual-band Wi-Fi 5 (2.4 and 5 GHz, 2 × 2 MIMO, 802.11a/b/g/n/ac), Bluetooth 5.0
ControllerTwo full-size analogue sticks, Hall effect triggers, bumpers, D-pad, A/B/X/Y, View, Menu, Command Center, Armoury Crate and two assignable grip buttons; HD haptics, six-axis gyro, Aura Sync lighting and fingerprint sensor; launch announcement rates the redesigned joysticks for five million cyclesBuilt-in controls with A/B/X/Y, D-pad, analogue triggers, bumpers, 4 assignable grip buttons, 2 full-size analogue sticks with capacitive touch, 2 × 32.5 mm square haptic trackpads, HD haptics and a 6-axis gyro
Backward compatibilityWindows 11 Home with Armoury Crate SE; PC game stores and launchers subject to each game's requirements. Maker product-security update support runs to 31 December 2028.Runs Steam games natively on SteamOS 3 or through Proton; KDE Plasma desktop mode

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