Infinix Note 50x vs Vivo iQOO 15 Ultra
The Infinix Note 50x (2025) runs on the Dimensity 7300 Ultimate, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $140 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 48/100 (a 41-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5500); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 879,714); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Infinix Note 50x doesn't; the Infinix Note 50x is noticeably lighter (195g vs 227g).
Profile comparison
Category scores
Infinix Note 50x
Vivo iQOO 15 Ultra
What makes Infinix Note 50x better?
- Lighter: 195g vs 227g
- Cheaper at launch: $140 vs $799
- Better portability (62/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 879714
- Better Geekbench Single: 3639 vs 1011
- Better Geekbench Multi: 11047 vs 2813
- Bigger battery: 7400 vs 5500 mAh
- Faster charging: 120W vs 45W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 55/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (92/100 vs 54/100)
- Better display (99/100 vs 55/100)
Comparison verdict
Comparing the Infinix Note 50x vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 41 points higher (89/100 vs 48/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 54/100). Value score: Infinix Note 50x — 72/100, Vivo iQOO 15 Ultra — 92/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Note 50x (99/100 vs 55/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Note 50x (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Note 50x (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Note 50x (92/100 vs 54/100). In the "portability" category, the Infinix Note 50x notably outperforms the Vivo iQOO 15 Ultra (62/100 vs 35/100).
Specs comparison
| Specification | Infinix Note 50x | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Dimensity 7300 Ultimate | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 879714 | 4602290 | |
| Geekbench Single | 1011 | 3639 | |
| Geekbench Multi | 2813 | 11047 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1600 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5500 mAh | 7400 mAh | |
| Charging | 45W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 560 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 165.4×76.4×8.0 mm | 163.7×76.8×8.7 mm | |
| Weight | 195 g | 227 g | |
| Launch price | $140 | $799 |
Camera comparison
Infinix Note 50x
- Main: 50MP f/1.6
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Infinix Note 50x
- 6.7" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Infinix Note 50x
- 5500 mAh
- Wired: 45W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Infinix Note 50x and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Infinix Note 50x by 80.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $659. Infinix Note 50x was $659 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Note 50x (99/100 vs 55/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Note 50x (99/100 vs 55/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Note 50x (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Note 50x (92/100 vs 54/100).
portability
In the "portability" category, the Infinix Note 50x notably outperforms the Vivo iQOO 15 Ultra (62/100 vs 35/100).
Frequently asked questions
Which is better: the Infinix Note 50x or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Infinix Note 50x by 41 points (89/100 vs 48/100).
What is the rating of the Infinix Note 50x and the Vivo iQOO 15 Ultra?
The Infinix Note 50x has a MobileRank rating of 48/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Infinix Note 50x or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 30/100).
Which is more powerful: the Infinix Note 50x or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 55/100).
Should you choose the Infinix Note 50x over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.