Realme V21 vs Vivo X300 Ultra
Comparing the Realme V21 (2022) and the Vivo X300 Ultra (2026) on specs and benchmarks. By overall MobileRank rating, the Vivo X300 Ultra leads — 87/100 vs 10/100 (a 77-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5000); the main camera is 13 MP vs 200 MP; the Vivo X300 Ultra has NFC for contactless payments, the Realme V21 doesn't.
Realme V21
Vivo X300 Ultra
- Better design/ergonomics (50/100 vs 12/100)
- Better value for money (55/100 vs 44/100)
- Bigger battery: 7000 vs 5000 mAh
- Better main camera: 200MP vs 13MP
- Higher performance (96/100 vs 0/100)
- Better camera (96/100 vs 0/100)
- Longer battery life (77/100 vs 36/100)
- Better display (100/100 vs 0/100)
Comparing the Realme V21 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 77 points higher (87/100 vs 10/100). In the "performance" category, the Vivo X300 Ultra leads (96/100 vs 0/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 0/100). In the "battery" category, the Vivo X300 Ultra leads (77/100 vs 36/100). In the "value for money" category, the Realme V21 leads (55/100 vs 44/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme V21 (96/100 vs 0/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Realme V21 (100/100 vs 0/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme V21 (96/100 vs 0/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Realme V21 (77/100 vs 36/100). In the "design" category, the Realme V21 significantly outperforms the Vivo X300 Ultra (50/100 vs 12/100). In the "value for money" category, the Realme V21 is a bit better (55/100 vs 44/100).
| Specification | Realme V21 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | — | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | — | 4247433 | |
| Geekbench Single | — | 3640 | |
| Geekbench Multi | — | 11033 | |
| Display | 6.6" TFT | 6.8" LTPO OLED | |
| Resolution | 720x1612 | 3168x1440 | |
| Refresh rate | — | 120 Hz | |
| Battery | 5000 mAh | 7000 mAh | |
| Charging | — | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 13 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 12, Realme UI 3.0 | Android 16 | |
| NFC | no | yes | |
| Protection | — | IP69 | |
| Dimensions | — | 163.0×76.8×8.2 mm | |
| Weight | — | 230 g | |
| Price | — | $950 |
Realme V21
- Main: 13MP f/f/2.2
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Realme V21
- 6.6" TFT
- Resolution: 720x1612
- Refresh rate: —
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Realme V21
- 5000 mAh
- No wireless charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Realme V21
Price unknownperformance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme V21 (96/100 vs 0/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Realme V21 (100/100 vs 0/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme V21 (96/100 vs 0/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Realme V21 (77/100 vs 36/100).
design
In the "design" category, the Realme V21 significantly outperforms the Vivo X300 Ultra (50/100 vs 12/100).
value for money
In the "value for money" category, the Realme V21 is a bit better (55/100 vs 44/100).
Which is better: the Realme V21 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Realme V21 by 77 points (87/100 vs 10/100).
What is the rating of the Realme V21 and the Vivo X300 Ultra?
The Realme V21 has a MobileRank rating of 10/100, the Vivo X300 Ultra — 87/100.
Which has the better camera: the Realme V21 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 0/100).
Which is more powerful: the Realme V21 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (96/100 vs 0/100).
Should you choose the Realme V21 over the Vivo X300 Ultra?
The Realme V21 is a better fit for everyday use. The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.