Vivo iQOO 15 Ultra vs Vivo iQOO U5x
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo iQOO U5x (2022) runs on the Qualcomm Snapdragon 680 4G. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 34/100 (a 55-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the main camera is 50 MP vs 13 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 424,216); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Vivo iQOO U5x doesn't; the Vivo iQOO U5x is noticeably lighter (179g vs 227g).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Vivo iQOO U5x
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 424216
- Better Geekbench Single: 3639 vs 412
- Better Geekbench Multi: 11047 vs 1423
- Bigger battery: 7400 vs 5000 mAh
- Better main camera: 50MP vs 13MP
- Higher performance (99/100 vs 31/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (92/100 vs 66/100)
- Better display (99/100 vs 39/100)
What makes Vivo iQOO U5x better?
- Lighter: 179g vs 227g
- Better portability (68/100 vs 35/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Vivo iQOO U5x, the Vivo iQOO 15 Ultra scores 55 points higher (89/100 vs 34/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 31/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 66/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO U5x (99/100 vs 31/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO U5x (99/100 vs 39/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO U5x (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Vivo iQOO U5x (92/100 vs 66/100). In the "portability" category, the Vivo iQOO U5x significantly outperforms the Vivo iQOO 15 Ultra (68/100 vs 35/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Vivo iQOO U5x | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 680 4G | |
| AnTuTu | 4602290 | 424216 | |
| Geekbench Single | 3639 | 412 | |
| Geekbench Multi | 11047 | 1423 | |
| Display | 6.8" LTPO AMOLED | 6.5" IPS LCD | |
| Resolution | 1440x3168 | 720x1600 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7400 mAh | 5000 mAh | |
| Charging | 120W | — | |
| Wireless charging | 50W | — | |
| Main camera | 50 MP | 13 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB / 24GB | 4GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 11, Origin OS Ocean | |
| Brightness (peak) | 8000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.7 mm | 164.0×75.2×8.3 mm | |
| Weight | 227 g | 179 g | |
| Launch price | $799 | — |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO U5x
- Main: 13MP f/2.2
- Front: 8MP
Display comparison
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo iQOO U5x
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo iQOO U5x
- 5000 mAh
- Wireless charging: no data
Overall performance score
We compared Vivo iQOO 15 Ultra and Vivo iQOO U5x, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo iQOO U5x by 984.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo iQOO U5x
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO U5x (99/100 vs 31/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO U5x (99/100 vs 39/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO U5x (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Vivo iQOO U5x (92/100 vs 66/100).
portability
In the "portability" category, the Vivo iQOO U5x significantly outperforms the Vivo iQOO 15 Ultra (68/100 vs 35/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Vivo iQOO U5x?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO U5x by 55 points (89/100 vs 34/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo iQOO U5x?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Vivo iQOO U5x — 34/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo iQOO U5x?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 10/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo iQOO U5x?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 31/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo iQOO U5x?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.