Vivo iQOO 15 vs Vivo iQOO U5x
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO U5x (2022) runs on the Qualcomm Snapdragon 680 4G. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 34/100 (a 52-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5000); the main camera is 50 MP vs 13 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 424,216); the Vivo iQOO 15 has NFC for contactless payments, the Vivo iQOO U5x doesn't; the Vivo iQOO U5x is noticeably lighter (179g vs 215g).
Profile comparison
Category scores
Vivo iQOO 15
Vivo iQOO U5x
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 424216
- Better Geekbench Single: 3013 vs 412
- Better Geekbench Multi: 9287 vs 1423
- Bigger battery: 7000 vs 5000 mAh
- Better main camera: 50MP vs 13MP
- Higher performance (94/100 vs 31/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (85/100 vs 66/100)
- Better display (99/100 vs 39/100)
What makes Vivo iQOO U5x better?
- Lighter: 179g vs 215g
- Better portability (68/100 vs 48/100)
Comparison verdict
Comparing the Vivo iQOO 15 vs the Vivo iQOO U5x, the Vivo iQOO 15 scores 52 points higher (86/100 vs 34/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 31/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 66/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO U5x (94/100 vs 31/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO U5x (99/100 vs 39/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO U5x (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 notably outperforms the Vivo iQOO U5x (85/100 vs 66/100). In the "portability" category, the Vivo iQOO U5x notably outperforms the Vivo iQOO 15 (68/100 vs 48/100).
Specs comparison
| Specification | Vivo iQOO 15 | Vivo iQOO U5x | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 680 4G | |
| AnTuTu | 3758268 | 424216 | |
| Geekbench Single | 3013 | 412 | |
| Geekbench Multi | 9287 | 1423 | |
| Display | 6.8" LTPO AMOLED | 6.5" IPS LCD | |
| Resolution | 1440x3168 | 720x1600 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 100W | — | |
| Wireless charging | 40W | — | |
| 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 | 4GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 11, Origin OS Ocean | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | 164.0×75.2×8.3 mm | |
| Weight | 215 g | 179 g | |
| Launch price | $599 | — |
Camera comparison
Vivo iQOO 15
- 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
- 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
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Vivo iQOO U5x
- 5000 mAh
- Wireless charging: no data
Overall performance score
We compared Vivo iQOO 15 and Vivo iQOO U5x, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo iQOO U5x by 785.9% 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 significantly outperforms the Vivo iQOO U5x (94/100 vs 31/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO U5x (99/100 vs 39/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO U5x (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 notably outperforms the Vivo iQOO U5x (85/100 vs 66/100).
portability
In the "portability" category, the Vivo iQOO U5x notably outperforms the Vivo iQOO 15 (68/100 vs 48/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Vivo iQOO U5x?
The Vivo iQOO 15 significantly outperforms the Vivo iQOO U5x by 52 points (86/100 vs 34/100).
What is the rating of the Vivo iQOO 15 and the Vivo iQOO U5x?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo iQOO U5x — 34/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo iQOO U5x?
The Vivo iQOO 15 leads on camera score (78/100 vs 10/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo iQOO U5x?
The Vivo iQOO 15 leads on performance (94/100 vs 31/100).
Should you choose the Vivo iQOO 15 over the Vivo iQOO U5x?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.