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 517,460); 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).
Profile comparison
Category scores
Vivo iQOO U1
Vivo X300 Ultra
What makes Vivo iQOO U1 better?
- Lighter: 190g vs 230g
- Better portability (59/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 517460
- Better Geekbench Single: 3639 vs 746
- Better Geekbench Multi: 11047 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)
Comparison verdict
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).
Specs comparison
| Specification | Vivo iQOO U1 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 720G | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 517460 | 4247433 | |
| Geekbench Single | 746 | 3639 | |
| Geekbench Multi | 1762 | 11047 | |
| 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 |
Camera comparison
Vivo iQOO U1
- Main: 48MP f/1.8
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Vivo iQOO U1
- 6.5" IPS LCD
- Resolution: 1080x2340
- Refresh rate: —
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
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
Overall performance score
We compared Vivo iQOO U1 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Vivo iQOO U1 by 87.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo iQOO U1
Price unknownDetailed category analysis
performance
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).
Frequently asked questions
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 X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.