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Ryzen Z1 Extreme · RDNA 3, 12 CUs

Switch 2 emulation on the ROG Ally X

The 2024 ROG Ally X pairs the Ryzen Z1 Extreme (a Radeon 780M-class GPU) with 24 GB of memory. AMD handhelds are Guarana's next target; this one is untested so far.

Untested Nobody has reported it yet. Send a report.

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What we know

  • Untested. Send a report: yours would be the first.

Specs that matter for emulation

Processor
AMD Ryzen Z1 Extreme: 8 Zen 4 cores, 16 threads
GPU
RDNA 3, 12 compute units, up to 2.7 GHz (Radeon 780M class)
Memory
24 GB LPDDR5X-7500, shared by CPU and GPU
Power
9–30 W; Turbo mode reaches 30 W on AC power (ASUS)
Screen and battery
7-inch 1920×1080 at 120 Hz; 80 Wh
OS
Windows 11

From Intel, AMD and device makers' published specs. Power limits vary with model, firmware and mode.

Starting point for settings

Not tuned for this device: it's the setup from the tested Arc 140T laptop. Change one thing at a time and report what helps.

  1. Power

    Plug in and pick the device's highest performance mode. Put the mode and wattage in your report.

  2. Driver

    Use a current AMD graphics driver (AMD Software: Adrenalin Edition, or the package from your device maker) and report its version.

  3. Global-memory routing

    Add EDEN_NX2_GM=11 to nx2_switches.txt next to the emulator, or set it as an environment variable. It is the change behind the measured Arc 140T gain. If a game renders wrongly, remove it first and tell us.

  4. Frame generation

    In the graphics settings, turn on Enable Frame Generation and set Target Frame Rate to 60. Add EDEN_NX2_EXTRAPOLATE=1 for extrapolated frames (motion data is wired up for Ocarina of Time only). Report game fps, not the total with generated frames.

  5. Shaders

    The first visit to an area hitches while shaders compile. Judge smoothness on the second pass.

Notes for this device

  • Switch 2 games are written for an NVIDIA GPU, and AMD drivers expose emulation gaps differently. Upstream Lichii keeps notes on AMD GPUs, with the fixes so far and the open reports: read them before filing a bug.
  • When you compare frame rates, set the log filter to *:Error. Info-level logging costs CPU time in busy scenes (from the same notes).

Have one? Send a report

One report turns this page from a guess into data. Include:

  • Device, CPU, GPU and RAM
  • The full graphics driver version (on Intel, like 32.0.101.9175; on Linux, the Mesa version) and the OS
  • Plugged in or on battery, and the power mode or wattage
  • The emulator build, every setting you changed and every EDEN_NX2_* switch you set (or "none")
  • The game and the exact spot, docked or handheld mode, and a screenshot of the scene
  • Average fps and, if you can, p50 and p99 frame times, measured after the scene settled

Never attach keys, firmware, game files, saves, shader caches, or logs that show your user name or folder paths.

Open the device report form

Questions

Can the ROG Ally X run Switch 2 games?

It's untested with Guarana. Its Z1 Extreme GPU is in the Radeon 780M class, also untested. AMD handhelds come next after Intel Arc, and a report from your Ally X helps set priorities.

Does this page apply to the original ROG Ally?

The original ROG Ally with the Z1 Extreme has the same GPU but 16 GB of memory. Use this page's settings and say which model you have in your report.

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