Vivo X21i vs Vivo X300 Ultra
The Vivo X21i (2018) runs on the MediaTek Helio P60, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 29/100 (a 62-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 3425); the main camera is 12 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 232,802); the Vivo X300 Ultra has NFC for contactless payments, the Vivo X21i doesn't; the Vivo X21i is noticeably lighter (159g vs 230g).
Vivo X21i
Vivo X300 Ultra
- Lighter: 159g vs 230g
- Better portability (94/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 232802
- Better Geekbench Single: 3640 vs 341
- Better Geekbench Multi: 11033 vs 779
- Bigger battery: 7000 vs 3425 mAh
- Better main camera: 200MP vs 12MP
- Higher performance (99/100 vs 17/100)
- Better camera (96/100 vs 15/100)
- Longer battery life (85/100 vs 15/100)
- Better display (89/100 vs 82/100)
Comparing the Vivo X21i vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 62 points higher (91/100 vs 29/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 17/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 15/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 15/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Vivo X21i (99/100 vs 17/100). In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 82/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Vivo X21i (96/100 vs 15/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Vivo X21i (85/100 vs 15/100). In the "portability" category, the Vivo X21i significantly outperforms the Vivo X300 Ultra (94/100 vs 39/100).
| Specification | Vivo X21i | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio P60 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 232802 | 4247433 | |
| Geekbench Single | 341 | 3640 | |
| Geekbench Multi | 779 | 11033 | |
| Display | 6.3" Super AMOLED | 6.8" LTPO OLED | |
| Resolution | 1080x2280 | 3168x1440 | |
| Refresh rate | — | 120 Hz | |
| Battery | 3425 mAh | 7000 mAh | |
| Charging | — | 100W | |
| Wireless charging | — | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 12 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 24 MP | 32 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 8.1 (Oreo); Funtouch 4 | Android 16 | |
| NFC | no | yes | |
| Protection | — | IP69 | |
| Dimensions | 154.4×75.0×7.0 mm | 163.0×76.8×8.2 mm | |
| Weight | 159 g | 230 g | |
| Launch price | — | $950 |
Vivo X21i
- Main: 12MP f/f/1.8
- Front: 24MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Vivo X21i
- 6.3" Super AMOLED
- Resolution: 1080x2280
- Refresh rate: —
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Vivo X21i
- 3425 mAh
- Wireless charging: no data
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
We compared Vivo X21i and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Vivo X21i by 94.5% in our overall performance rating.
Vivo X21i
Price unknownperformance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Vivo X21i (99/100 vs 17/100).
display
In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 82/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Vivo X21i (96/100 vs 15/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Vivo X21i (85/100 vs 15/100).
portability
In the "portability" category, the Vivo X21i significantly outperforms the Vivo X300 Ultra (94/100 vs 39/100).
Which is better: the Vivo X21i or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Vivo X21i by 62 points (91/100 vs 29/100).
What is the rating of the Vivo X21i and the Vivo X300 Ultra?
The Vivo X21i has a MobileRank rating of 29/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Vivo X21i or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 15/100).
Which is more powerful: the Vivo X21i or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 17/100).
Should you choose the Vivo X21i over the Vivo X300 Ultra?
The Vivo X21i 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, budget-conscious buyers.