ASUS ROG Phone 6 vs Galaxy S25 Ultra: Dedicated Gaming or Mainstream Flagship?
Two completely different positions on what a flagship phone should be. ROG Phone 6 is purpose-built for sustained mobile gaming with shoulder triggers, vapor chamber cooling, and 165Hz display. Galaxy S25 Ultra was runner-up Phone of the Year at MKBHD's 2025 awards.
Updated · Verdict based on MKBHD Smartphone Awards results and spec analysis.
ASUS ROG Phone 6
ASUS · 2022 · From $999
Samsung Galaxy S25 Ultra
Samsung · 2025 · From $1299
Round wins
ASUS ROG Phone 6: 4 · Samsung Galaxy S25 Ultra: 4
Specs side-by-side
| Spec | ASUS ROG Phone 6 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Display | 6.78-inch AMOLED, 165Hz | 6.9-inch QHD+ AMOLED, 120Hz LTPO |
| Processor | Snapdragon 8+ Gen 1 | Snapdragon 8 Elite |
| RAM | 12GB | 12GB |
| Camera | 50MP main + 13MP ultrawide + 5MP macro | 200MP main + 50MP ultrawide + 10MP 3x + 50MP 5x telephoto |
| Battery | 6,000 mAh, 65W charging | 5,000 mAh |
| OS | Android 12 (ROG UI) | Android 15 (One UI 7) |
| Starting price | $999 | $1299 |
| Released | 2022 | 2025 |
Round-by-round breakdown
Display refresh rate
Winner: ASUS ROG Phone 6ROG Phone 6: 165Hz. S25 Ultra: 120Hz. ROG wins for the highest-refresh games.
Sustained performance
Winner: ASUS ROG Phone 6ROG Phone 6's vapor chamber cooling holds peak performance longer in 30+ minute sessions.
Gaming hardware
Winner: ASUS ROG Phone 6ROG Phone 6 has shoulder triggers, side-mounted USB-C for landscape charging, and gaming-mode software. No mainstream flagship matches.
Camera
Winner: Samsung Galaxy S25 UltraS25 Ultra: 200MP main + 5x periscope + 3x + ultra. ROG Phone 6: 50MP main + 13MP ultra + 5MP macro. Massive gap.
Build & design
Winner: Samsung Galaxy S25 UltraS25 Ultra: titanium frame, premium materials, IP68. ROG Phone 6: plastic with LED RGB on back — divisive aesthetic.
Software
Winner: Samsung Galaxy S25 UltraOne UI 7 + Galaxy AI vs ROG UI. Samsung wins on polish and feature breadth.
Software updates
Winner: Samsung Galaxy S25 UltraSamsung: 7 years. ASUS: 3 years (limited remaining).
Price
Winner: ASUS ROG Phone 6ROG Phone 6 is now widely discounted — typically $400–$600 vs S25 Ultra's $1,299.
Final verdict
Buy the Galaxy S25 Ultra unless mobile gaming is your primary use case. The S25 Ultra is the more rounded device — better cameras, longer support, more polished software. The ROG Phone 6 wins for dedicated gaming sessions but loses everywhere else.
Frequently Asked Questions
ROG Phone 6 or Galaxy S25 Ultra for gaming?
ROG Phone 6 wins on dedicated gaming hardware (triggers, cooling, 165Hz). Galaxy S25 Ultra wins on raw chip performance with Snapdragon 8 Elite. Pick on whether you need the gaming-specific features.
Is the ROG Phone 6 still worth buying in 2026?
Yes for dedicated mobile gamers — now widely discounted ($400–$600) and offers gaming hardware that mainstream flagships still don't match.
What's the best phone for casual mobile gaming?
Galaxy S25 Ultra or iPhone 17 Pro — both run everything well and offer better cameras and software polish than dedicated gaming phones.