Volume Shader BM vs TestFlows Machine
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Volume Shader BM compared with TestFlows Machine
| Detail | 
Volume Shader BM | 
TestFlows Machine |
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| What it does | Free browser-based GPU benchmark tool with WebGL 3D volume rendering
| Run your programs deterministically. Record, replay, and branch your runs.
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Free: €0 with ₡3 credits included each month (about 20 vCPU-hours). Starter: €10/month with ₡25 credits (about 166 vCPU-hours). Plus: €25/month with ₡65 credits (about 433 vCPU-hours). Pro: €50/month with ₡150 credits (about 1,000 vCPU-hours). Dedicated: contact sales. Usage credits: €1 a credit, pu
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| Key features | - Real-time 3D volume shader effects with visual feedback
- Measures average, minimum, maximum FPS and frame time
- Works in any WebGL-enabled browser without installation
- Cross-platform support for Windows, macOS, and Linux
- Public leaderboards with fair GPU tier classification
- Device-specific presets optimized for desktop and mobile
- CSV export for benchmark results
- Support for 19 languages
- Interactive camera controls for visualization
| - Record runs with non-deterministic inputs pinned down
- Replay runs instruction-by-instruction
- Checkpoint and fork from any point
- Fault injection for disk, network, clock, containers and system calls
- Built-in debugger for machine programs
- Machine client and Python SDK
- Cloud storage for runs and disk images
- Multiple simultaneous sessions with configurable vCPUs
- Configurable session disk up to 256G
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| What makes it different | - No download or installation required—benchmark directly in your browser
- Uses ray-marched 3D fractal workload for realistic GPU stress testing
- Reports renderer backend, API version, and fallback reasons for transparent results
- Fair competition leaderboards with GPU tier matching to prevent hardware dominance
- Automated device detection adjusts presets appropriately for desktop or mobile
| - Deterministic replay of program runs with identical outcomes
- Fork and branch from any point without losing original timeline
- Comprehensive fault injection testing built-in
- Pay-as-you-go usage credits with free plan available
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 11 ▲ +1 (up) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 4 |
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| Citation Flow (Majestic) | 24 | 21 |
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| Referring domains (Majestic) | 117 | 27 |
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4 details filled in for both companies.
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