ASUS ROG Xbox Ally X users can now push handheld gaming beyond the silicon limits of the internal chip by attaching an external graphics card. This setup transforms a portable device into a high-performance docked system for users who want console-level visuals on the go. A recent benchmark shows the combination can handle demanding titles at high frame rates, though the numbers require context.
ASUS ROG Xbox Ally X paired with Radeon RX 9070 XT eGPU via USB4
The test device is the ASUS ROG Xbox Ally X, which houses a Ryzen AI Z2 Extreme processor and 24GB of LPDDR5X memory. The handheld connects to an external AMD Radeon RX 9070 XT graphics card via a USB4 dock. This configuration allows the system to offload heavy graphical work to the desktop-class GPU while keeping the portable form factor intact.
- CPU: Ryzen AI Z2 Extreme
- RAM: 24GB LPDDR5X
- eGPU: Radeon RX 9070 XT
- eGPU VRAM: 16GB GDDR6
- Connection: USB4
The system ran Cyberpunk 2077 version 2.31 with ray-traced lighting set to Ultra and ray-traced reflections and shadows enabled. Path tracing was disabled to maintain performance. The game used AMD FSR 2.1 upscaling set to Auto and FSR 3.1 frame generation to boost the frame rate.
The benchmark recorded an average of 151 FPS at 3440×1440 resolution during a roughly 64-second run. Frame rates fluctuated between 101.67 FPS and 192.57 FPS during that period. These figures rely heavily on frame generation, which inserts artificial frames between traditionally rendered ones. This means the reported speed does not reflect the raw rendering load or input responsiveness of the hardware.
USB4 connections are more restrictive than desktop PCIe links, but this test did not measure the specific performance loss over USB4. We have been tracking ROG Xbox Ally X closely — see our earlier coverage on AMD Radeon RX 9070 XT hits. The setup proves the handheld can drive high-resolution gaming when paired with external hardware, provided users accept the frame generation overhead.
Source: TweakTown
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