Vivo iQOO U1 vs Vivo X300 Ultra
The Vivo iQOO U1 (2020) runs on the Qualcomm Snapdragon 720G, 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 39/100 (a 52-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 4500); the main camera is 48 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 514,398); the Vivo X300 Ultra has NFC for contactless payments, the Vivo iQOO U1 doesn't; the Vivo iQOO U1 is noticeably lighter (190g vs 230g).
Vivo iQOO U1
Vivo X300 Ultra
- Lighter: 190g vs 230g
- Better portability (59/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 514398
- Better Geekbench Single: 3640 vs 746
- Better Geekbench Multi: 11033 vs 1762
- Bigger battery: 7000 vs 4500 mAh
- Faster charging: 100W vs 18W
- Better main camera: 200MP vs 48MP
- Higher performance (99/100 vs 41/100)
- Better camera (96/100 vs 29/100)
- Longer battery life (85/100 vs 33/100)
- Better display (89/100 vs 57/100)
Comparing the Vivo iQOO U1 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 52 points higher (91/100 vs 39/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 41/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 29/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 33/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO U1 (99/100 vs 41/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO U1 (89/100 vs 57/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO U1 (96/100 vs 29/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO U1 (85/100 vs 33/100). In the "portability" category, the Vivo iQOO U1 notably outperforms the Vivo X300 Ultra (59/100 vs 39/100).
| Specification | Vivo iQOO U1 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 720G | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 514398 | 4247433 | |
| Geekbench Single | 746 | 3640 | |
| Geekbench Multi | 1762 | 11033 | |
| Display | 6.5" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 1080x2340 | 3168x1440 | |
| Refresh rate | — | 120 Hz | |
| Battery | 4500 mAh | 7000 mAh | |
| Charging | 18W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10, iQOO UI 1.0 | Android 16 | |
| NFC | no | yes | |
| Protection | — | IP69 | |
| Dimensions | 162.1×76.6×8.5 mm | 163.0×76.8×8.2 mm | |
| Weight | 190 g | 230 g | |
| Launch price | — | $950 |
Vivo iQOO U1
- Main: 48MP f/f/1.8
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Vivo iQOO U1
- 6.5" IPS LCD
- Resolution: 1080x2340
- Refresh rate: —
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Vivo iQOO U1
- 4500 mAh
- Wired: 18W
- No wireless charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
We compared Vivo iQOO U1 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Vivo iQOO U1 by 87.9% in our overall performance rating.
Vivo iQOO U1
Price unknownperformance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO U1 (99/100 vs 41/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO U1 (89/100 vs 57/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO U1 (96/100 vs 29/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO U1 (85/100 vs 33/100).
portability
In the "portability" category, the Vivo iQOO U1 notably outperforms the Vivo X300 Ultra (59/100 vs 39/100).
Which is better: the Vivo iQOO U1 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Vivo iQOO U1 by 52 points (91/100 vs 39/100).
What is the rating of the Vivo iQOO U1 and the Vivo X300 Ultra?
The Vivo iQOO U1 has a MobileRank rating of 39/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Vivo iQOO U1 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 29/100).
Which is more powerful: the Vivo iQOO U1 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 41/100).
Should you choose the Vivo iQOO U1 over the Vivo X300 Ultra?
The Vivo iQOO U1 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.