ASUS ROG Ally (2023) vs Valve Steam Deck OLED

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

Better figure, where one is clearly better

ROG Ally (2023) compared with Steam Deck OLED
ASUSROG Ally (2023)ValveSteam Deck OLED
Overview
ReleasedJune 2023November 2023
Performance
TypeHandheldHandheld
CPUAMD Ryzen Z1 or Ryzen Z1 Extreme (Zen 4)AMD Zen 2, 4 cores / 8 threads
GPUAMD Radeon RDNA 3 (4 CUs with Z1; 12 CUs with Z1 Extreme)AMD RDNA 2, 8 CUs
GPU compute–1.6 TFLOPS
Memory16 GB16 GB
Storage512 GB512 GB, 1 TB (better)
Disc driveNoNo
CPURyzen Z1 Extreme has 8 cores, 16 threads, 24 MB total cache and up to 5.10 GHz boost; Ryzen Z1 has 6 cores, 12 threads, 22 MB total cache and up to 4.90 GHz boost. Both use a 4 nm process and have a published 9–30 W TDP range.6 nm AMD APU; Zen 2, 4 cores / 8 threads, 2.4–3.5 GHz (up to 448 GFlops FP32); APU power 4–15 W
GPURyzen Z1 Extreme has 12 RDNA 3 compute units at up to 2.7 GHz and up to 8.6 TFLOPS; Ryzen Z1 has 4 compute units at up to 2.5 GHz and up to 2.8 TFLOPS. These figures depend on the processor configuration. The three reviews cover the Z1 Extreme model.8 RDNA 2 compute units at 1.6 GHz (1.6 TFlops FP32)
Memory detail16 GB LPDDR5-6400 onboard memory in dual channel, shared with integrated graphics16 GB LPDDR5 on-board, 6400 MT/s, quad 32-bit channels
Storage detail512 GB PCIe 4.0 NVMe M.2 2230 SSD. The Z1 Extreme version first went on sale on 13 June 2023; ASUS announced the Z1 version as available on 18 September 2023. Both current US specification entries list 512 GB; an early 256 GB mention in reviews is not used here.NVMe SSD
Storage expansionUHS-II microSD card reader supports SD, SDHC and SDXC. ASUS's ROG community administrator confirmed in July 2023 that the reader could malfunction under certain thermal stress conditions, announced fan-speed changes and advised affected owners to seek inspection and repair.High-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 Hz7.4″ OLED, 1280 × 800, 90 Hz
Built-in screenIPS-level touchscreen with 10-point touch, 500 nits brightness, 100% sRGB and 75.35% Adobe RGB coverage; 7 ms response time; Gorilla Glass Victus and Gorilla Glass DXC; anti-glare and low-reflection finish1280 × 800 HDR OLED touchscreen; 1,000 nits peak (HDR), 600 nits (SDR); contrast over 1,000,000:1; 110% P3; under 0.1 ms response; dual ambient light sensors. 1 TB model has premium anti-glare etched glass
Video outputUSB-C supports DisplayPort 1.4. The proprietary XG Mobile interface supports ASUS external GPUs; an external GPU's output capabilities are separate from the handheld's integrated graphics.DisplayPort over USB-C; up to 8K at 60 Hz or 4K at 120 Hz
HDR–HDR on the built-in OLED screen
Variable refresh rateAMD FreeSync Premium variable refresh rate–
AudioTwo speakers with Smart Amplifier Technology, Dolby Atmos, built-in microphone array and AI noise cancellation; Hi-Res certification for headphonesStereo 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 12 hours
Weight608 g (better)640 g
Battery life detail40 Wh, four-cell lithium-ion battery; ASUS does not publish a gaming runtime in the current specification50 Wh; 3–12 hours of gameplay depending on content
Power use65 W USB-C AC adapter, 20 V DC at 3.25 A, with universal 100–240 V input. ASUS says charger inclusion varies by country, region and model.45 W USB PD 3.0 power supply with 2.5 m cable
In the box–Steam Deck OLED, 45 W power supply, carrying case (with removable liner on the 1 TB model)
ColoursWhite. Dimensions are 28.0 × 11.1 × 2.12–3.24 cm (width × depth × height).–
Connections
PortsOne USB 3.2 Gen 2 Type-C connector within the ROG XG Mobile combo interface; one 3.5 mm headphone/microphone socket; one UHS-II microSD reader1 × USB-C (DisplayPort over USB-C, USB 3 Gen 2, charging), 3.5 mm headset jack, microSD slot
Wi-Fi and BluetoothTri-band Wi-Fi 6E (802.11ax), 2×2 antennas. Current ASUS specifications list Bluetooth 5.4 subject to OS version; the May 2023 launch specification and contemporary reviews list 5.2.Tri-band Wi-Fi 6E (2.4, 5 and 6 GHz, 2 × 2 MIMO), Bluetooth 5.3
ControllerOffset analogue sticks, D-pad, ABXY buttons, Hall effect analogue triggers, shoulder buttons, two assignable rear grip buttons, View and Menu buttons, Command Center and Armoury Crate buttons; HD haptics, 6-axis IMU and Aura Sync lighting. Fingerprint sensor in the power button and Microsoft Pluton security processor.Built-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; supports compatible PC games from launchers including Steam, Xbox, Epic Games Store, EA and GOG. Game compatibility and performance vary by title.Runs Steam games natively on SteamOS 3 or through Proton; KDE Plasma desktop mode

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