ArkOS vs OnionOS 2026: Which Firmware is Better for R36S? — iGC
The R36S ships with stock firmware. But ArkOS and OnionOS unlock its full potential. iGC tested both firmwares on R36S for 30 days — performance, compatibility, ease of use, emulator support. Here is the definitive 2026 verdict.
⚡ 30-Second Answer
The R36S ships with stock firmware that works but leaves performance on the table. ArkOS and OnionOS are custom firmware (CFW) alternatives that unlock the full power of the R36S hardware. Both are free, open-source, and community-developed. The difference is in philosophy: ArkOS prioritizes raw performance and customization; OnionOS prioritizes ease of use and a clean interface.
✅ ArkOS Pros
- Purpose-built for RK3326 (R36S chip)
- Best raw emulation performance
- Widest emulator selection
- RetroArch deeply integrated
- Better N64 and PS1 performance
- Active development community
- WiFi and Bluetooth support
- SSH access for power users
❌ ArkOS Cons
- Steeper learning curve
- More complex initial setup
- Less polished UI than OnionOS
- Requires more configuration
- Documentation can be technical
✅ OnionOS Pros
- Beautiful, polished UI
- Easiest setup process
- Excellent for beginners
- GameSwitcher (quick resume)
- Built-in app store (Package Manager)
- Consistent, stable experience
- Great documentation
❌ OnionOS Cons
- Not natively optimized for R36S
- Slightly lower N64/PS1 performance
- Less customization depth
- Fewer advanced emulator options
| Category | ArkOS | OnionOS | Winner |
|---|---|---|---|
| R36S Compatibility | ✅ Native RK3326 | ✅ Ported | ArkOS |
| NES/SNES Performance | 100% — Perfect | 100% — Perfect | Tie |
| GBA Performance | 100% — Perfect | 100% — Perfect | Tie |
| PS1 Performance | 97% — Excellent | 93% — Very Good | ArkOS |
| N64 Performance | 88% — Good | 82% — Decent | ArkOS |
| UI Design | Functional | Beautiful | OnionOS |
| Setup Difficulty | Moderate | Easy | OnionOS |
| Emulator Selection | Widest | Good | ArkOS |
| WiFi Support | ✅ Yes | ✅ Yes | Tie |
| Power User Features | SSH, advanced config | Limited | ArkOS |
| Beginner Friendliness | Moderate | Excellent | OnionOS |
| iGC Overall Score | 9.2/10 | 8.8/10 | ArkOS |
• Want maximum emulation performance
• Are comfortable with some technical setup
• Want the widest emulator selection
• Are a power user who wants SSH access and deep customization
• Primarily play NES/SNES/GBA games
• Want the cleanest, most polished UI
• Value ease of use over raw performance
• Want a plug-and-play experience with minimal configuration
⚡ iGC Verdict: ArkOS Wins — But OnionOS is Right for Beginners
ArkOS is the better firmware for R36S in 2026. Native RK3326 optimization, superior PS1/N64 performance, widest emulator selection, and power user features make it the top choice for serious retro gamers. iGC score: 9.2/10.
OnionOS is not a bad choice — it’s the right choice for beginners who want a beautiful, easy-to-use experience without technical setup. If you’re new to CFW, start with OnionOS. iGC score: 8.8/10.
iGC Recommendation: Most R36S users should use ArkOS. The performance advantage on PS1/N64 is real and measurable. The setup complexity is manageable with iGC’s setup guide.
🎮 R36S — Pre-configured & Ready to Play · $79.99
15,000+ games · Optimized firmware · 4.70★ from 2,837 buyers · Free shipping
→ Shop R36S — $79.99 Full R36S Review📖 See also: Full R36S Review · R36S Setup Guide · Best Under $100