Poco C81 Pro vs vivo X300 Ultra
By SpecPair Editorialphones
Verified specs·AI-assisted analysis·Editorially reviewed
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The Verdict
The Poco C81 Pro and vivo X300 Ultra sit in the same category and end up appealing to slightly different buyers. The Poco C81 Pro is the cheaper of the two at $129 versus $1,012, a difference of about $883. Poco C81 Pro stands out for 6000 mah battery provides excellent all-day endurance, 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.
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Who Should Buy
Buy the Poco C81 Pro if…
- →6000 mAh battery provides excellent all-day endurance
- →Large 6.9-inch display with 90 Hz refresh rate for immersive viewing
- →Competent dual camera setup with 50 MP main sensor
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
Poco C81 Pro
Pros
- 6000 mAh battery provides excellent all-day endurance
- Large 6.9-inch display with 90 Hz refresh rate for immersive viewing
- Competent dual camera setup with 50 MP main sensor
- Affordable entry-level pricing under $150
Cons
- MediaTek Helio G85 chipset limits gaming and multitasking performance
- 720p resolution on 6.9-inch display creates visible pixelation
- No wireless charging despite premium battery capacity
- Only 4GB RAM may struggle with heavy app usage
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 | Poco C81 Pro | vivo X300 Ultra |
|---|---|---|
| Camera | ||
| Main camera | 50 MP | 50MP f/1.6 |
| Front camera | 13 MP | 32MP f/2.45 |
| Telephoto | — | 50MP f/2.6 3x optical |
| Ultrawide | 8 MP | 50MP f/2.2 |
| Design | ||
| Colors | Midnight Black, Mint Green, Purple | Titanium Black, Titanium Gold, Titanium White |
| Weight | 215g | 221g |
| IP rating | IP52 | IP69 |
| Battery | ||
| Capacity | 6000 mAh | 6000mAh |
| Charging Speed | 18W | 80W wired |
| Wireless Charging | 50W | |
| Display | ||
| Size | 6.9 inches | 6.82 inches |
| Type | IPS LCD | AMOLED |
| Brightness | 450 nits | 3000 nits peak |
| Resolution | 1440 x 720 | 1440 x 3168 pixels |
| Refresh rate | 90 Hz | 120Hz |
| Performance | ||
| RAM | 4GB | 12GB |
| Chipset | MediaTek Helio G85 | Snapdragon 8 Elite |
| Storage | 128GB | 256GB / 512GB |
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Spec data verified from manufacturer sources. Analysis AI-assisted and editorially reviewed. How we compare · Last verified
Explore more in phones, see all Poco products or all vivo products. View full details for the Poco C81 Pro or the vivo X300 Ultra.

