Vivo X300 Ultra vs Vivo Y21d
The Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y21d (2025) runs on the Unisoc T7225; launch prices were $950 and $110. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 38/100 (a 53-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6500); the main camera is 200 MP vs 50 MP; the Vivo X300 Ultra has NFC for contactless payments, the Vivo Y21d doesn't; the Vivo Y21d is noticeably lighter (209g vs 230g).
Vivo X300 Ultra
Vivo Y21d
- Better Geekbench Single: 3640 vs 580
- Better Geekbench Multi: 11033 vs 1750
- Bigger battery: 7000 vs 6500 mAh
- Faster charging: 100W vs 44W
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (99/100 vs 31/100)
- Better camera (96/100 vs 30/100)
- Longer battery life (85/100 vs 58/100)
- Better display (89/100 vs 43/100)
- Lighter: 209g vs 230g
- Cheaper at launch: $110 vs $950
- Better portability (49/100 vs 39/100)
Comparing the Vivo X300 Ultra vs the Vivo Y21d, the Vivo X300 Ultra scores 53 points higher (91/100 vs 38/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 31/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 30/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 58/100). Value score: Vivo X300 Ultra — 94/100, Vivo Y21d — 60/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo X300 Ultra significantly outperforms the Vivo Y21d (99/100 vs 31/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Vivo Y21d (89/100 vs 43/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Vivo Y21d (96/100 vs 30/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the Vivo Y21d (85/100 vs 58/100). In the "portability" category, the Vivo Y21d is a bit better (49/100 vs 39/100).
| Specification | Vivo X300 Ultra | Vivo Y21d | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Unisoc T7225 | |
| AnTuTu | 4247433 | — | |
| Geekbench Single | 3640 | 580 | |
| Geekbench Multi | 11033 | 1750 | |
| Display | 6.8" LTPO OLED | 6.7" IPS LCD | |
| Resolution | 3168x1440 | 720x1608 | |
| Refresh rate | 120 Hz | 90 Hz | |
| Battery | 7000 mAh | 6500 mAh | |
| Charging | 100W | 44W | |
| Wireless charging | 40W | 0W | |
| DXOMark (camera) | 170 | — | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 200 MP | 0 MP | |
| Front camera | 32 MP | 5 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | — | 1000 nits | |
| NFC | yes | no | |
| Protection | IP69 | IP68/IP69 | |
| Dimensions | 163.0×76.8×8.2 mm | 166.1×77.0×8.4 mm | |
| Weight | 230 g | 209 g | |
| Launch price | $950 | $110 |
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Vivo Y21d
- Main: 50MP f/f/1.8
- Front: 5MP
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Vivo Y21d
- 6.7" IPS LCD
- Resolution: 720x1608
- Refresh rate: 90 Hz
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Vivo Y21d
- 6500 mAh
- Wired: 44W
- No wireless charging
Launch price difference: $840. Vivo Y21d was $840 cheaper at launch.
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Vivo Y21d (99/100 vs 31/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Vivo Y21d (89/100 vs 43/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Vivo Y21d (96/100 vs 30/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the Vivo Y21d (85/100 vs 58/100).
portability
In the "portability" category, the Vivo Y21d is a bit better (49/100 vs 39/100).
Which is better: the Vivo X300 Ultra or the Vivo Y21d?
The Vivo X300 Ultra significantly outperforms the Vivo Y21d by 53 points (91/100 vs 38/100).
What is the rating of the Vivo X300 Ultra and the Vivo Y21d?
The Vivo X300 Ultra has a MobileRank rating of 91/100, the Vivo Y21d — 38/100.
Which has the better camera: the Vivo X300 Ultra or the Vivo Y21d?
The Vivo X300 Ultra leads on camera score (96/100 vs 30/100).
Which is more powerful: the Vivo X300 Ultra or the Vivo Y21d?
The Vivo X300 Ultra leads on performance (99/100 vs 31/100).
Should you choose the Vivo X300 Ultra over the Vivo Y21d?
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. The Vivo Y21d is a better fit for everyday use.