Realme C100 vs vivo X300 Ultra
By SpecPair Editorialphones
Verified specs·AI-assisted analysis·Editorially reviewed
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The Verdict
The Realme C100 and vivo X300 Ultra sit in the same category and end up appealing to slightly different buyers. The Realme C100 is the cheaper of the two at $220 versus $1,012, a difference of about $792. Realme C100 stands out for large 6.5-inch display with 90hz refresh rate, 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 Realme C100 if…
- →Large 6.5-inch display with 90Hz refresh rate
- →Decent battery capacity at 5000mAh for all-day use
- →Lightweight at 192 grams
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
Realme C100
Pros
- Large 6.5-inch display with 90Hz refresh rate
- Decent battery capacity at 5000mAh for all-day use
- Lightweight at 192 grams
- Budget-friendly entry-level option
Cons
- Basic 8MP main camera
- Limited performance with Helio G85 chipset
- Only 4GB RAM and 64GB storage
- Slow 10W charging
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 | Realme C100 | vivo X300 Ultra |
|---|---|---|
| Camera | ||
| Main camera | 8MP | 50MP f/1.6 |
| Front camera | 5MP | 32MP f/2.45 |
| Telephoto | — | 50MP f/2.6 3x optical |
| Ultrawide | — | 50MP f/2.2 |
| Design | ||
| Colors | Black, Green | Titanium Black, Titanium Gold, Titanium White |
| Weight | 192g | 221g |
| IP rating | — | IP69 |
| Battery | ||
| Capacity | 5000mAh | 6000mAh |
| Charging Speed | 10W | 80W wired |
| Wireless Charging | 50W | |
| Display | ||
| Size | 6.5 inches | 6.82 inches |
| Type | IPS LCD | AMOLED |
| Brightness | — | 3000 nits peak |
| Resolution | 720 x 1600 pixels | 1440 x 3168 pixels |
| Refresh rate | 90Hz | 120Hz |
| Performance | ||
| RAM | 4GB | 12GB |
| Chipset | MediaTek Helio G85 | Snapdragon 8 Elite |
| Storage | 64GB | 256GB / 512GB |
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Spec data verified from manufacturer sources. Analysis AI-assisted and editorially reviewed. How we compare · Last verified
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