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 30/100 (a 61-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 314,537); the Vivo X300 Ultra has NFC for contactless payments, the Vivo X21i doesn't; the Vivo X21i is noticeably lighter (159g vs 230g).
Profile comparison
Category scores
Vivo X21i
Vivo X300 Ultra
What makes Vivo X21i better?
- Lighter: 159g vs 230g
- Better portability (94/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 314537
- Better Geekbench Single: 3639 vs 341
- Better Geekbench Multi: 11047 vs 779
- Bigger battery: 7000 vs 3425 mAh
- Better main camera: 200MP vs 12MP
- Higher performance (99/100 vs 20/100)
- Better camera (96/100 vs 15/100)
- Longer battery life (85/100 vs 15/100)
- Better display (89/100 vs 82/100)
Comparison verdict
Comparing the Vivo X21i vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 61 points higher (91/100 vs 30/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 20/100). 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 20/100). 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).
Specs comparison
| Specification | Vivo X21i | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio P60 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 314537 | 4247433 | |
| Geekbench Single | 341 | 3639 | |
| Geekbench Multi | 779 | 11047 | |
| 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 |
Camera comparison
Vivo X21i
- Main: 12MP f/1.8
- Front: 24MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Vivo X21i
- 6.3" Super AMOLED
- Resolution: 1080x2280
- Refresh rate: —
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
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
Overall performance score
We compared Vivo X21i and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Vivo X21i by 92.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo X21i
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Vivo X21i (99/100 vs 20/100).
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).
Frequently asked questions
Which is better: the Vivo X21i or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Vivo X21i by 61 points (91/100 vs 30/100).
What is the rating of the Vivo X21i and the Vivo X300 Ultra?
The Vivo X21i has a MobileRank rating of 30/100, 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 20/100).
Should you choose the Vivo X21i over the Vivo X300 Ultra?
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.