Nothing Phone (3a) vs OnePlus Open 3
Compare Nothing Phone (3a) vs OnePlus Open 3 side by side: MediaTek Dimensity 7350 Pro vs Qualcomm Snapdragon 8 Elite Gen 2 (2nm), 50MP vs 50MP camera…
Nothing
Phone (3a)
$349
2categories won
OnePlus
Open 3
$1,799
17categories won
2 categories tied · 21 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 Nothing Phone (3a), 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 Phone (3a) 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.
Phone (3a) provides a sharper value proposition, coming in at $349 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.
Phone (3a) vs Open 3: specifications compared
Display
| Specification | Phone (3a) | Open 3 |
|---|---|---|
| Screen size | 6.7" | 7.85" |
| Resolution | 1084 x 2412 | 2268 x 2440Winner |
| Pixel density | 395 ppi | 424 ppiWinner |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1800 nits | 3200 nitsWinner |
Performance
| Specification | Phone (3a) | Open 3 |
|---|---|---|
| Chipset | MediaTek Dimensity 7350 Pro | Qualcomm Snapdragon 8 Elite Gen 2 (2nm) |
| Process node | 4 nm | 2 nmWinner |
| AnTuTu score | 2,400,000 | 3,200,000Winner |
| Geekbench multi | 8900 | 10800Winner |
| Maximum RAM | 12 GB | 16 GBWinner |
| Maximum storage | 256GB | 1TBWinner |
Camera
| Specification | Phone (3a) | Open 3 |
|---|---|---|
| Main sensor | 50 MP | 50 MP |
| Rear cameras | 2 | 3Winner |
| Optical zoom | — | 3x |
| Ultrawide | 12 MP | 50 MPWinner |
| Selfie camera | 16 MP | 32 MPWinner |
| Max video | 8K at 30fps / 4K at 120fps | 8K at 30fps / 4K at 120fps |
Battery and charging
| Specification | Phone (3a) | Open 3 |
|---|---|---|
| Capacity | 5,200 mAh | 5,700 mAhWinner |
| Wired charging | 45 W | 80 WWinner |
| Wireless charging | 15 W | 50 WWinner |
Design
| Specification | Phone (3a) | Open 3 |
|---|---|---|
| Weight | 189 gWinner | 209 g |
| Thickness | 8.4 mm | 5 mmWinner |
| Water resistance | IP54 | IP68 |
| Build | 100% recycled aluminum midframe, translucent polycarbonate rear panel with Glyph LEDs | Grade 5 Titanium frame, Ceramic Glass front and back |
Software and support
| Specification | Phone (3a) | Open 3 |
|---|---|---|
| Operating system | Android 15 | Android 16 |
| OS updates | 3 years | 7 yearsWinner |
| Security updates | 3 years | 7 yearsWinner |
Connectivity and value
| Specification | Phone (3a) | Open 3 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) |
| Storage expansion | None | None |
| 3.5mm jack | No | No |
| Launch price | $349Winner | $1,799 |
Nothing Phone (3a)
Nothing continues its mission to make smartphones fun again with the Phone (3a), pairing its translucent Glyph LED aesthetic with custom Dimensity 7350 Pro power and a bloatware-free Android 15 experience.
- Display
- 6.7"
- Chipset
- MediaTek Dimensity 7350 Pro
- Main camera
- 50MP
- Battery
- 5,200mAh
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