iQOO Z11 series vs vivo X300 Ultra
The Verdict
The iQOO Z11 series and vivo X300 Ultra sit in the same category and end up appealing to slightly different buyers. The iQOO Z11 series is the cheaper of the two at $290 versus $1,012, a difference of about $722. iQOO Z11 series stands out for 144hz amoled display with 4000 nits peak brightness for excellent outdoor visibility, while vivo X300 Ultra is praised for bright 3000-nit amoled display with 120hz refresh rate. Use the side-by-side spec table below to compare cameras, displays, battery life and connectivity in detail and decide which one fits your priorities.
Who Should Buy
Buy the iQOO Z11 series if…
- →144Hz AMOLED display with 4000 nits peak brightness for excellent outdoor visibility
- →Snapdragon 8 Elite Leading Version ensures flagship performance
- →Triple 50MP camera setup delivers versatile photography options
Buy the vivo X300 Ultra if…
- →Bright 3000-nit AMOLED display with 120Hz refresh rate
- →Powerful Snapdragon 8 Elite chipset for demanding tasks
- →Versatile triple camera setup with 50MP telephoto
Pros & Cons
iQOO Z11 series
Pros
- 144Hz AMOLED display with 4000 nits peak brightness for excellent outdoor visibility
- Snapdragon 8 Elite Leading Version ensures flagship performance
- Triple 50MP camera setup delivers versatile photography options
- 6000mAh battery with 120W fast charging for all-day usage
- IP68 water and dust resistance for durability
Cons
- No wireless charging support
- Pricing likely premium for the Z-series positioning
- Limited availability outside initial launch regions
vivo X300 Ultra
Pros
- Bright 3000-nit AMOLED display with 120Hz refresh rate
- Powerful Snapdragon 8 Elite chipset for demanding tasks
- Versatile triple camera setup with 50MP telephoto
- Large 6000mAh battery with 80W fast charging
- Premium IP69 dust and water resistance rating
Cons
- Premium pricing may limit mainstream appeal
- Large 6.82-inch display not ideal for one-handed use
- Thermal management at high loads remains a concern
- No expandable storage option
Full Specifications
| Spec | iQOO Z11 series | vivo X300 Ultra |
|---|---|---|
| Camera | ||
| Main camera | 50MP f/1.7 | 50MP f/1.6 |
| Front camera | 32MP f/2.0 | 32MP f/2.45 |
| Telephoto | 50MP f/2.0 3x optical | 50MP f/2.6 3x optical |
| Ultrawide | 50MP f/2.0 | 50MP f/2.2 |
| Design | ||
| Colors | Graphite Black, Titanium Gray, Glacier Blue | Titanium Black, Titanium Gold, Titanium White |
| Weight | 199g | 221g |
| IP rating | IP68 | IP69 |
| Battery | ||
| Capacity | 6000mAh | 6000mAh |
| Charging Speed | 120W | 80W wired |
| Wireless Charging | 50W | |
| Display | ||
| Size | 6.3 inches | 6.82 inches |
| Type | AMOLED | AMOLED |
| Brightness | 4000 nits peak | 3000 nits peak |
| Resolution | 1440 x 3200 pixels | 1440 x 3168 pixels |
| Refresh rate | 144Hz | 120Hz |
| Performance | ||
| RAM | 12GB | 12GB |
| Chipset | Snapdragon 8 Elite Leading Version | Snapdragon 8 Elite |
| Storage | 256GB | 256GB / 512GB |
Want to compare a third product?
Add another product for a 3-way comparison.
Related Comparisons
Explore more in phones, see all iQOO products or all vivo products. View full details for the iQOO Z11 series or the vivo X300 Ultra.

