Vivo iQOO 15 Ultra vs Vivo Y55 5G
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y55 5G (2022) runs on the MediaTek Dimensity 700 5G. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 41/100 (a 48-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 515,647); the Vivo Y55 5G is noticeably lighter (187g vs 227g).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Vivo Y55 5G
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 515647
- Better Geekbench Single: 3639 vs 690
- Better Geekbench Multi: 11047 vs 1736
- Bigger battery: 7400 vs 5000 mAh
- Faster charging: 120W vs 18W
- Higher performance (99/100 vs 40/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (92/100 vs 43/100)
- Better display (99/100 vs 57/100)
What makes Vivo Y55 5G better?
- Lighter: 187g vs 227g
- Better portability (64/100 vs 35/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Vivo Y55 5G, the Vivo iQOO 15 Ultra scores 48 points higher (89/100 vs 41/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 40/100). 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 43/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y55 5G (99/100 vs 40/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y55 5G (99/100 vs 57/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y55 5G (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y55 5G (92/100 vs 43/100). In the "portability" category, the Vivo Y55 5G notably outperforms the Vivo iQOO 15 Ultra (64/100 vs 35/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Vivo Y55 5G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 700 5G | |
| AnTuTu | 4602290 | 515647 | |
| Geekbench Single | 3639 | 690 | |
| Geekbench Multi | 11047 | 1736 | |
| Display | 6.8" LTPO AMOLED | 6.6" IPS LCD | |
| Resolution | 1440x3168 | 1080x2408 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7400 mAh | 5000 mAh | |
| Charging | 120W | 18W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB / 24GB | 4GB / 6GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 11, Funtouch 12 | |
| Brightness (peak) | 8000 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.7 mm | 164.0×75.9×8.3 mm | |
| Weight | 227 g | 187 g | |
| Launch price | $799 | — |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y55 5G
- Main: 50MP f/1.8
- Front: 8MP
Display comparison
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y55 5G
- 6.6" IPS LCD
- Resolution: 1080x2408
- Refresh rate: —
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo Y55 5G
- 5000 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15 Ultra and Vivo Y55 5G, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo Y55 5G by 792.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo Y55 5G
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y55 5G (99/100 vs 40/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y55 5G (99/100 vs 57/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y55 5G (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y55 5G (92/100 vs 43/100).
portability
In the "portability" category, the Vivo Y55 5G notably outperforms the Vivo iQOO 15 Ultra (64/100 vs 35/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Vivo Y55 5G?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo Y55 5G by 48 points (89/100 vs 41/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo Y55 5G?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Vivo Y55 5G — 41/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo Y55 5G?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 30/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo Y55 5G?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 40/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo Y55 5G?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.