realme C75x vs Vivo X300 Ultra
28.9Performance93.3
39.6Display82.3
29Camera84.6
58.1Battery91.5
20Features84
2 spec wins — realme C75x12 spec wins — Vivo X300 Ultra
InnoReviews verdict
Vivo X300 Ultra wins this phone face-off, 88.1 to 36, pulling ahead mainly in performance (+64) and features (+64). realme C75x still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the realme C75x
- 16% lower weight: 196 g vs 232 g
Reasons to pick the Vivo X300 Ultra
- Stronger performance score: 93 vs 29
- Stronger display score: 82 vs 40
- Stronger camera score: 85 vs 29
- Stronger battery score: 92 vs 58
- Stronger features score: 84 vs 20
Display
| Spec | realme C75x | Vivo X300 Ultra |
|---|---|---|
| Screen size | 6.67 ″ | 6.82 ″+2% |
| Panel type | IPS LCD | LTPO AMOLED |
| Resolution | 720x1604 | 1440x3168 |
| Pixel density | 264 ppi | 510 ppi+93% |
| Refresh rate | 120 Hz | 144 Hz+20% |
| Peak brightness | 625 nits | 4,500 nits+620% |
| Screen-to-body | 84.9 % | 90.3 %+6% |
Performance
| Spec | realme C75x | Vivo X300 Ultra |
|---|---|---|
| Chipset | MediaTek Helio G81 Ultra | Qualcomm Snapdragon 8 Elite Gen 5 |
| AnTuTu | — | 4,085,695 |
| Geekbench 6 (single) | — | 3,730Top 3% |
| Geekbench 6 (multi) | — | 11,494Top 3% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128/256GB | 256/512GB/1TB |
| Storage type | — | UFS 4.1 |
Camera
| Spec | realme C75x | Vivo X300 Ultra |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.8 | f/1.9 |
| Ultra-wide | — | 50 MP |
| Telephoto | — | 200 MP |
| Optical zoom | — | 3.7 x |
| Max video | 1080p@30fps | 8K@30fps |
| Front camera | 5 MP | 50 MP+900% |
| OIS | — | Yes |
Battery
| Spec | realme C75x | Vivo X300 Ultra |
|---|---|---|
| Capacity | 5,600 mAh | 6,600 mAh+18% |
| Wired charging | 45 W | 100 W+122% |
| Wireless charging | — | 40 W |
| Active use endurance | — | 16 h |
Design
| Spec | realme C75x | Vivo X300 Ultra |
|---|---|---|
| Weight | 196 g+16% | 232 g |
| Thickness | 8 mm+2% | 8.2 mm |
| IP rating | IP66/IP68/IP69 | IP68/IP69 |
| Frame material | — | Aluminum |
Connectivity
| Spec | realme C75x | Vivo X300 Ultra |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.0 | 5.4 |
| NFC | No | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme C75x | Vivo X300 Ultra |
|---|---|---|
| OS at launch | Android 15 | Android 16 (OriginOS 6) |
| OS update pledge | — | 5 years |
Audio
| Spec | realme C75x | Vivo X300 Ultra |
|---|---|---|
| Stereo speakers | — | Yes |
| 3.5mm jack | No | No |