Vivo iQOO 15 vs Vivo iQOO U1
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO U1 (2020) runs on the Qualcomm Snapdragon 720G. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 39/100 (a 47-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4500); the main camera is 50 MP vs 48 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 517,460); the Vivo iQOO 15 has NFC for contactless payments, the Vivo iQOO U1 doesn't; the Vivo iQOO U1 is noticeably lighter (190g vs 215g).
Profile comparison
Category scores
Vivo iQOO 15
Vivo iQOO U1
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 517460
- Better Geekbench Single: 3013 vs 746
- Better Geekbench Multi: 9287 vs 1762
- Bigger battery: 7000 vs 4500 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 48MP
- Higher performance (94/100 vs 41/100)
- Better camera (78/100 vs 29/100)
- Longer battery life (85/100 vs 33/100)
- Better display (99/100 vs 57/100)
What makes Vivo iQOO U1 better?
- Lighter: 190g vs 215g
- Better portability (59/100 vs 48/100)
Comparison verdict
Comparing the Vivo iQOO 15 vs the Vivo iQOO U1, the Vivo iQOO 15 scores 47 points higher (86/100 vs 39/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 41/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 29/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 33/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO U1 (94/100 vs 41/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO U1 (99/100 vs 57/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO U1 (78/100 vs 29/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO U1 (85/100 vs 33/100). In the "portability" category, the Vivo iQOO U1 is a bit better (59/100 vs 48/100).
Specs comparison
| Specification | Vivo iQOO 15 | Vivo iQOO U1 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 720G | |
| AnTuTu | 3758268 | 517460 | |
| Geekbench Single | 3013 | 746 | |
| Geekbench Multi | 9287 | 1762 | |
| Display | 6.8" LTPO AMOLED | 6.5" IPS LCD | |
| Resolution | 1440x3168 | 1080x2340 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7000 mAh | 4500 mAh | |
| Charging | 100W | 18W | |
| Wireless charging | 40W | 0W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB | |
| OS | Android 16 | Android 10, iQOO UI 1.0 | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | 162.1×76.6×8.5 mm | |
| Weight | 215 g | 190 g | |
| Launch price | $599 | — |
Camera comparison
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO U1
- Main: 48MP f/1.8
- Front: 8MP
Display comparison
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo iQOO U1
- 6.5" IPS LCD
- Resolution: 1080x2340
- 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 U1
- 4500 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15 and Vivo iQOO U1, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo iQOO U1 by 626.3% 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 iQOO 15 significantly outperforms the Vivo iQOO U1 (94/100 vs 41/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO U1 (99/100 vs 57/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO U1 (78/100 vs 29/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO U1 (85/100 vs 33/100).
portability
In the "portability" category, the Vivo iQOO U1 is a bit better (59/100 vs 48/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Vivo iQOO U1?
The Vivo iQOO 15 significantly outperforms the Vivo iQOO U1 by 47 points (86/100 vs 39/100).
What is the rating of the Vivo iQOO 15 and the Vivo iQOO U1?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo iQOO U1 — 39/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo iQOO U1?
The Vivo iQOO 15 leads on camera score (78/100 vs 29/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo iQOO U1?
The Vivo iQOO 15 leads on performance (94/100 vs 41/100).
Should you choose the Vivo iQOO 15 over the Vivo iQOO U1?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.