Honor 300 Ultra vs OnePlus Open 3
Compare Honor 300 Ultra vs OnePlus Open 3 side by side: Qualcomm Snapdragon 8 Gen 3 vs Qualcomm Snapdragon 8 Elite Gen 2 (2nm), 50MP vs 50MP camera, 5300mAh…
Honor
Honor 300 Ultra
$599
8categories won
OnePlus
Open 3
$1,799
9categories won
5 categories tied · 22 scored in total · add a third phone
Which one wins?
Honor 300 Ultra takes the overall win
The Honor 300 Ultra claims the overall win over the OnePlus Open 3, delivering a stronger technical package across measurable key specifications. In camera testing, the Honor 300 Ultra leads with sharper imaging, while battery life remains closely matched. Choose the Honor 300 Ultra if you want the highest performance ceiling, or opt for the Open 3 if its specific hardware strengths better fit your budget.
Both phones deliver comparable battery performance with 5,300 mAh.
Open 3 provides greater sustained gaming output with its Qualcomm Snapdragon 8 Elite Gen 2 (2nm) and 16GB RAM.
Honor 300 Ultra wins photography with 50MP main imaging and 3.8x dedicated optical zoom.
Honor 300 Ultra provides a sharper value proposition, coming in at $599 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.
Honor 300 Ultra vs Open 3: specifications compared
Display
| Specification | Honor 300 Ultra | Open 3 |
|---|---|---|
| Screen size | 6.78" | 7.85" |
| Resolution | 1224 x 2700 | 2268 x 2440Winner |
| Pixel density | 437 ppiWinner | 424 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 4000 nitsWinner | 3200 nits |
Performance
| Specification | Honor 300 Ultra | Open 3 |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Gen 3 | Qualcomm Snapdragon 8 Elite Gen 2 (2nm) |
| Process node | 4 nm | 2 nmWinner |
| AnTuTu score | 2,140,000 | 3,200,000Winner |
| Geekbench multi | 6950 | 10800Winner |
| Maximum RAM | 16 GB | 16 GB |
| Maximum storage | 1TB | 1TB |
Camera
| Specification | Honor 300 Ultra | Open 3 |
|---|---|---|
| Main sensor | 50 MP | 50 MP |
| Rear cameras | 3 | 3 |
| Optical zoom | 3.8xWinner | 3x |
| Ultrawide | 12 MP | 50 MPWinner |
| Selfie camera | 50 MPWinner | 32 MP |
| Max video | 4K@60fps, 1080p@240fps | 8K at 30fps / 4K at 120fps |
Battery and charging
| Specification | Honor 300 Ultra | Open 3 |
|---|---|---|
| Capacity | 5,300 mAh | 5,700 mAhWinner |
| Wired charging | 100 WWinner | 80 W |
| Wireless charging | 80 WWinner | 50 W |
Design
| Specification | Honor 300 Ultra | Open 3 |
|---|---|---|
| Weight | 199 gWinner | 209 g |
| Thickness | 8.2 mm | 5 mmWinner |
| Water resistance | IP65 | IP68 |
| Build | Sculpted flowing glass back, aviation aluminum frame, Giant Rhino Glass front | Grade 5 Titanium frame, Ceramic Glass front and back |
Software and support
| Specification | Honor 300 Ultra | Open 3 |
|---|---|---|
| Operating system | Android 15 | Android 16 |
| OS updates | 4 years | 7 yearsWinner |
| Security updates | 5 years | 7 yearsWinner |
Connectivity and value
| Specification | Honor 300 Ultra | Open 3 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 (802.11be) | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) |
| Storage expansion | None | None |
| 3.5mm jack | No | No |
| Launch price | $599Winner | $1,799 |
Honor 300 Ultra
The Honor 300 Ultra stands as the apex member of the number series, upgrading the camera system with a 50MP 3.8x optical periscope telephoto lens with OIS, two-way Beidou satellite messaging, 3D ultrasonic fingerprint scanner, Snapdragon 8 Gen 3, and 80W wireless charging.
- Display
- 6.78"
- Chipset
- Qualcomm Snapdragon 8 Gen 3
- Main camera
- 50MP
- Battery
- 5,300mAh
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