vivo iQOO Z9s Pro 5G vs vivo X300 Ultra
Compare vivo iQOO Z9s Pro 5G vs vivo X300 Ultra side by side: Qualcomm Snapdragon 7 Gen 3 vs Qualcomm Snapdragon 8 Elite Gen 2, 50MP vs 50MP camera, 5500mAh…

vivo
iQOO Z9s Pro 5G
$299
3categories won

vivo
X300 Ultra
$1,199
13categories won
2 categories tied · 18 scored in total · add a third phone
Which one wins?
vivo X300 Ultra takes the overall win
The vivo X300 Ultra proves superior overall against the vivo iQOO Z9s Pro 5G, outperforming on gaming and photography. In camera testing, the X300 Ultra leads with superior optics, while battery endurance leans towards the X300 Ultra. Choose the X300 Ultra if you want the highest performance ceiling, or opt for the iQOO Z9s Pro 5G if its lower retail price better fit your budget.
X300 Ultra takes battery honors offering 6,500 mAh alongside 100W charging.
X300 Ultra provides greater sustained gaming output with its Qualcomm Snapdragon 8 Elite Gen 2 and 24GB RAM.
X300 Ultra takes photography with 50MP optics and 3.7x optical telephoto capabilities.
iQOO Z9s Pro 5G provides a sharper value proposition, coming in at $299 vs $1199.
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.
iQOO Z9s Pro 5G vs X300 Ultra: specifications compared
Display
| Specification | iQOO Z9s Pro 5G | X300 Ultra |
|---|---|---|
| Screen size | 6.77" | 6.82" |
| Resolution | 1080 x 2392 | 1440 x 3168Winner |
| Pixel density | 388 ppi | — |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 4500 nits | 4800 nitsWinner |
Performance
| Specification | iQOO Z9s Pro 5G | X300 Ultra |
|---|---|---|
| Chipset | Qualcomm Snapdragon 7 Gen 3 | Qualcomm Snapdragon 8 Elite Gen 2 |
| Process node | 4 nm | 3 nmWinner |
| AnTuTu score | 820,000 | — |
| Geekbench multi | 3380 | — |
| Maximum RAM | 12 GB | 24 GBWinner |
| Maximum storage | 256GB | 1TBWinner |
Camera
| Specification | iQOO Z9s Pro 5G | X300 Ultra |
|---|---|---|
| Main sensor | 50 MP | 50 MP |
| Rear cameras | 2 | 4Winner |
| Optical zoom | — | 3.7x |
| Ultrawide | 8 MP | 50 MPWinner |
| Selfie camera | 16 MP | 50 MPWinner |
| Max video | 4K@30fps, 1080p@60fps | — |
Battery and charging
| Specification | iQOO Z9s Pro 5G | X300 Ultra |
|---|---|---|
| Capacity | 5,500 mAh | 6,500 mAhWinner |
| Wired charging | 80 W | 100 WWinner |
| Wireless charging | No | 50 WWinner |
Design
| Specification | iQOO Z9s Pro 5G | X300 Ultra |
|---|---|---|
| Weight | 185 gWinner | 232 g |
| Thickness | 7.49 mmWinner | 9.1 mm |
| Water resistance | IP64 | IP68 |
| Build | Vegan leather and AG glass options, curved metallic frame, Schott Xensation front | — |
Software and support
| Specification | iQOO Z9s Pro 5G | X300 Ultra |
|---|---|---|
| Operating system | Android 14 | Android 16 |
| OS updates | 2 years | 4 yearsWinner |
| Security updates | 3 years | 5 yearsWinner |
Connectivity and value
| Specification | iQOO Z9s Pro 5G | X300 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 7 |
| Storage expansion | None | None |
| 3.5mm jack | No | No |
| Launch price | $299Winner | $1,199 |
vivo iQOO Z9s Pro 5G
The iQOO Z9s Pro 5G blends premium curved screen luxury with Snapdragon 7 Gen 3 power. Featuring a luminous 4,500 nits curved AMOLED panel, 5,500mAh battery with 80W FlashCharge, Sony 50MP OIS camera, and a stunning Flamboyant Orange vegan leather back.
- Display
- 6.77"
- Chipset
- Qualcomm Snapdragon 7 Gen 3
- Main camera
- 50MP
- Battery
- 5,500mAh
vivo X300 Ultra
The Vivo X300 Ultra pushes computational photography past the threshold of dedicated mirrorless systems with dual periscopes, 200MP Zeiss APO telephoto macro, and a custom V4+ imaging NPU.
- Display
- 6.82"
- Chipset
- Qualcomm Snapdragon 8 Elite Gen 2
- Main camera
- 50MP
- Battery
- 6,500mAh