Vivo iQOO vs Vivo X300 Ultra
The Vivo iQOO (2019) runs on the Qualcomm Snapdragon 855, 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 44/100 (a 47-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 4000); the main camera is 12 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 824,513); the Vivo iQOO is noticeably lighter (180g vs 230g).
Profile comparison
Category scores
Vivo iQOO
Vivo X300 Ultra
What makes Vivo iQOO better?
- Lighter: 180g vs 230g
- Better portability (66/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 824513
- Better Geekbench Single: 3639 vs 968
- Better Geekbench Multi: 11047 vs 2731
- Bigger battery: 7000 vs 4000 mAh
- Faster charging: 100W vs 44W
- Better main camera: 200MP vs 12MP
- Higher performance (99/100 vs 54/100)
- Better camera (96/100 vs 16/100)
- Longer battery life (85/100 vs 27/100)
- Better display (89/100 vs 83/100)
Comparison verdict
Comparing the Vivo iQOO vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 47 points higher (91/100 vs 44/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 54/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 16/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 27/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO (99/100 vs 54/100). In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 83/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO (96/100 vs 16/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO (85/100 vs 27/100). In the "portability" category, the Vivo iQOO notably outperforms the Vivo X300 Ultra (66/100 vs 39/100).
Specs comparison
| Specification | Vivo iQOO | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 824513 | 4247433 | |
| Geekbench Single | 968 | 3639 | |
| Geekbench Multi | 2731 | 11047 | |
| Display | 6.4" AMOLED | 6.8" LTPO OLED | |
| Resolution | 1080x2340 | 3168x1440 | |
| Refresh rate | — | 120 Hz | |
| Battery | 4000 mAh | 7000 mAh | |
| Charging | 44W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 12 MP | 200 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 12 MP | 32 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie); Funtouch 9 | Android 16 | |
| NFC | yes | yes | |
| Protection | — | IP69 | |
| Dimensions | 157.7×75.2×8.5 mm | 163.0×76.8×8.2 mm | |
| Weight | 180 g | 230 g | |
| Launch price | — | $950 |
Camera comparison
Vivo iQOO
- Main: 12MP f/1.8
- Ultrawide: 13MP
- Front: 12MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Vivo iQOO
- 6.4" AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO
- 4000 mAh
- Wired: 44W
- 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 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Vivo iQOO by 80.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo iQOO
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO (99/100 vs 54/100).
display
In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 83/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO (96/100 vs 16/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO (85/100 vs 27/100).
portability
In the "portability" category, the Vivo iQOO notably outperforms the Vivo X300 Ultra (66/100 vs 39/100).
Frequently asked questions
Which is better: the Vivo iQOO or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Vivo iQOO by 47 points (91/100 vs 44/100).
What is the rating of the Vivo iQOO and the Vivo X300 Ultra?
The Vivo iQOO has a MobileRank rating of 44/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Vivo iQOO or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 16/100).
Which is more powerful: the Vivo iQOO or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 54/100).
Should you choose the Vivo iQOO 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.