Realme C55 vs vivo X300 Ultra
The Verdict
The Realme C55 and vivo X300 Ultra sit in the same category and end up appealing to slightly different buyers. The Realme C55 is the cheaper of the two at $159 versus $1,012, a difference of about $853. The vivo X300 Ultra is the newer release, which usually means a faster chipset and longer software support. Realme C55 stands out for 33w supervooc fast charging is rare at $159, 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 Realme C55 if…
- →33W SUPERVOOC fast charging is rare at $159
- →64 MP main camera captures good daylight photos
- →FHD+ resolution provides sharp text and images
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 C55
Pros
- 33W SUPERVOOC fast charging is rare at $159
- 64 MP main camera captures good daylight photos
- FHD+ resolution provides sharp text and images
- 5000 mAh battery lasts two days with moderate use
- Mini Capsule Dynamic Island-style notification feature
Cons
- No 5G or NFC connectivity
- Helio G88 is very basic for gaming or heavy tasks
- 2 MP depth sensor is essentially useless
- IPS LCD panel has poor contrast
- No water resistance
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 C55 | vivo X300 Ultra |
|---|---|---|
| Software | Android 13 (Realme UI 4.0) | — |
| Body | ||
| Weight | 189 g | — |
| Material | Plastic frame and back | — |
| IP rating | None | — |
| Dimensions | 167.3 x 76.1 x 7.89 mm | — |
| Camera | ||
| Main camera | 64 MP, f/1.79, PDAF | 50MP f/1.6 |
| Depth | 2 MP, f/2.4 | — |
| Front camera | 8 MP, f/2.0 | 32MP f/2.45 |
| Video | 1080p@30fps | — |
| Telephoto | — | 50MP f/2.6 3x optical |
| Ultrawide | — | 50MP f/2.2 |
| Memory | ||
| RAM | 4 GB / 6 GB / 8 GB | — |
| Storage options | 64 GB, 128 GB, 256 GB | — |
| Battery | ||
| Capacity | 5000 mAh | 6000mAh |
| Charging | 33W SUPERVOOC | — |
| Wireless charging | No | — |
| Charging Speed | — | 80W wired |
| Wireless Charging | — | 50W |
| Display | ||
| Size | 6.72 inches | 6.82 inches |
| Type | IPS LCD | AMOLED |
| Resolution | 2400 x 1080 | 1440 x 3168 pixels |
| Refresh rate | 90Hz | 120Hz |
| Brightness (nits) | 680 | — |
| Brightness | — | 3000 nits peak |
| Processor | ||
| CPU | Octa-core (2x2.0 GHz + 6x1.8 GHz) | — |
| GPU | Mali-G52 MC2 | — |
| Chipset | MediaTek Helio G88 | — |
| Connectivity | ||
| 5G | — | |
| NFC | — | |
| USB | USB-C 2.0 | — |
| Wi-Fi | Wi-Fi 5 | — |
| Bluetooth | 5.0 | — |
| Design | ||
| Colors | — | Titanium Black, Titanium Gold, Titanium White |
| Weight | — | 221g |
| IP rating | — | IP69 |
| Performance | ||
| RAM | — | 12GB |
| Chipset | — | Snapdragon 8 Elite |
| Storage | — | 256GB / 512GB |
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