Asus ROG Phone 9 Pro vs OnePlus Open 3
Compare Asus ROG Phone 9 Pro vs OnePlus Open 3 side by side: Qualcomm Snapdragon 8 Elite (3nm) vs Qualcomm Snapdragon 8 Elite Gen 2 (2nm), 50MP vs 50MP…
Asus
ROG Phone 9 Pro
$1,199
3categories won
OnePlus
Open 3
$1,799
13categories won
6 categories tied · 22 scored in total · add a third phone
Which one wins?
OnePlus Open 3 takes the overall win
The OnePlus Open 3 proves superior overall against the Asus ROG Phone 9 Pro, outperforming on gaming and photography. In camera testing, the Open 3 leads with superior optics, while battery endurance leans towards the Open 3. Choose the Open 3 if you want the highest performance ceiling, or opt for the ROG Phone 9 Pro if its lower retail price better fit your budget.
Open 3 takes battery honors offering 5,700 mAh alongside 80W charging.
Open 3 provides greater sustained gaming output with its Qualcomm Snapdragon 8 Elite Gen 2 (2nm) and 16GB RAM.
Open 3 takes photography with 50MP optics and 3x optical telephoto capabilities.
ROG Phone 9 Pro provides a sharper value proposition, coming in at $1199 vs $1799.
Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.
ROG Phone 9 Pro vs Open 3: specifications compared
Display
| Specification | ROG Phone 9 Pro | Open 3 |
|---|---|---|
| Screen size | 6.78" | 7.85" |
| Resolution | 1080 x 2400 | 2268 x 2440Winner |
| Pixel density | 388 ppi | 424 ppiWinner |
| Refresh rate | 185 HzWinner | 120 Hz |
| Peak brightness | 2500 nits | 3200 nitsWinner |
Performance
| Specification | ROG Phone 9 Pro | Open 3 |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Elite (3nm) | Qualcomm Snapdragon 8 Elite Gen 2 (2nm) |
| Process node | 3 nm | 2 nmWinner |
| AnTuTu score | 3,120,000 | 3,200,000Winner |
| Geekbench multi | 9980 | 10800Winner |
| Maximum RAM | 24 GBWinner | 16 GB |
| Maximum storage | 1TB | 1TB |
Camera
| Specification | ROG Phone 9 Pro | Open 3 |
|---|---|---|
| Main sensor | 50 MP | 50 MP |
| Rear cameras | 3 | 3 |
| Optical zoom | 3x | 3x |
| Ultrawide | 13 MP | 50 MPWinner |
| Selfie camera | 32 MP | 32 MP |
| Max video | 8K at 30fps / 4K at 60/120fps gyro-EIS | 8K at 30fps / 4K at 120fps |
Battery and charging
| Specification | ROG Phone 9 Pro | Open 3 |
|---|---|---|
| Capacity | 5,800 mAh | 5,700 mAh |
| Wired charging | 65 W | 80 WWinner |
| Wireless charging | 15 W | 50 WWinner |
Design
| Specification | ROG Phone 9 Pro | Open 3 |
|---|---|---|
| Weight | 227 g | 209 gWinner |
| Thickness | 8.9 mm | 5 mmWinner |
| Water resistance | IP68 | IP68 |
| Build | Armor aluminum chassis, frosted crystallized nano-textured glass back with AniMe Vision 648 mini-LED matrix, Gorilla Glass Victus 2 front | Grade 5 Titanium frame, Ceramic Glass front and back |
Software and support
| Specification | ROG Phone 9 Pro | Open 3 |
|---|---|---|
| Operating system | Android 15 (ROG UI / Zen UI) | Android 16 |
| OS updates | 2 years | 7 yearsWinner |
| Security updates | 5 years | 7 yearsWinner |
Connectivity and value
| Specification | ROG Phone 9 Pro | Open 3 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz with 320MHz bandwidth) | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) |
| Storage expansion | None | None |
| 3.5mm jack | Yes | No |
| Launch price | $1,199Winner | $1,799 |
Asus ROG Phone 9 Pro
The Asus ROG Phone 9 Pro is an uncompromising gaming titan powered by the 3nm Snapdragon 8 Elite, featuring the world first 185Hz LTPO AMOLED display, AirTrigger ultrasonic shoulder buttons, 5800 mAh battery with bypass charging, and AniMe Vision 648 mini-LED matrix.
- Display
- 6.78"
- Chipset
- Qualcomm Snapdragon 8 Elite (3nm)
- Main camera
- 50MP
- Battery
- 5,800mAh
OnePlus Open 3
Shaving weight down to 209g and folded thickness to 9.8mm, the OnePlus Open 3 sets the golden standard for book-style foldables with a virtually crease-less 7.85-inch LTPO3 canvas, 5,600 mAh battery, and Open Canvas windowing.
- Display
- 7.85"
- Chipset
- Qualcomm Snapdragon 8 Elite Gen 2 (2nm)
- Main camera
- 50MP
- Battery
- 5,700mAh