3DGS Renderer Bench

Model

Drop a PLY, SPZ or SOG file or click to browse

Direct PLY, SPZ or SOG URL. The server must allow cross-origin downloads (CORS).

Files stay on your device. SPZ is converted locally to PLY. SOG uses native loaders on compatible renderers.

Renderers

Checking GitHub versions…

Rendering presets are fixed. All backends use radial distance sorting (Aholo Viewer: view depth only) without post-processing.

Three.js version

Version Radix Three.js version

Shared by Spark and Gaussian Splat Lite. Radix 0.0.1 requires Three.js r186 for WebGPU. Check package compatibility when changing versions.

Test settings

Resolution Rounds Sample time Warm-up

Static Orbit

Preview

Select a model to preview

2560 × 1440

Camera No model

Position X Position Y Position Z Target X Target Y Target Z Vertical FOV Up axis

Load a model to start

Tests run sequentially. Keep this tab visible.

Results

Frame intervals in the normal rendering loop, including browser scheduling. FPS = frames / sampled time (1000 / mean frame interval). Statistics are medians across rounds.

Best Highest FPS or lowest frame time in each column; ties are highlighted together.

Measurement notes

Each backend runs in a fresh iframe per round with a shared camera and fixed pixel resolution; order rotates or reverses between rounds. The full model is loaded (no LOD). Orbit: ±45°, 8 s period, following real elapsed time.

One GPU frame in flight: each frame is submitted only after the previous one has finished on the GPU (WebGL2 fence / WebGPU onSubmittedWorkDone). Without this wait the CPU runs ahead, intervals look short and the queued work later shows up as stalls. Each sample is the interval between submissions; FPS = frames / sampled time.

Load time runs from the public loader call to its completion signal (SuperSplat Viewer: its first ready frame), excluding package downloads and SPZ conversion. Only public APIs are used; native caching and async sorting stay active. GPU time, sort time and GPU memory are not measured. GPU errors, hiding the tab or resizing the window invalidate the run.