Vivo iQOO 15 vs Vivo Y55s (2023)
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y55s (2023) (2023) runs on the MediaTek Dimensity 700. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 41/100 (a 45-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5000); the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 515,647); the Vivo Y55s (2023) is noticeably lighter (187g vs 215g).
Profile comparison
Category scores
Vivo iQOO 15
Vivo Y55s (2023)
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 515647
- Better Geekbench Single: 3013 vs 690
- Better Geekbench Multi: 9287 vs 1736
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 100W vs 18W
- Higher performance (94/100 vs 40/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (85/100 vs 43/100)
- Better display (99/100 vs 57/100)
What makes Vivo Y55s (2023) better?
- Lighter: 187g vs 215g
- Better portability (64/100 vs 48/100)
Comparison verdict
Comparing the Vivo iQOO 15 vs the Vivo Y55s (2023), the Vivo iQOO 15 scores 45 points higher (86/100 vs 41/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 40/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 43/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Y55s (2023) (94/100 vs 40/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo Y55s (2023) (99/100 vs 57/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Y55s (2023) (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Vivo Y55s (2023) (85/100 vs 43/100). In the "portability" category, the Vivo Y55s (2023) notably outperforms the Vivo iQOO 15 (64/100 vs 48/100).
Specs comparison
| Specification | Vivo iQOO 15 | Vivo Y55s (2023) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 700 | |
| AnTuTu | 3758268 | 515647 | |
| Geekbench Single | 3013 | 690 | |
| Geekbench Multi | 9287 | 1736 | |
| Display | 6.8" LTPO AMOLED | 6.6" IPS LCD | |
| Resolution | 1440x3168 | 1080x2408 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 100W | 18W | |
| Wireless charging | 40W | 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 | 4GB / 6GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 12, Funtouch 12 | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | 164.0×75.9×8.3 mm | |
| Weight | 215 g | 187 g | |
| Launch price | $599 | — |
Camera comparison
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y55s (2023)
- Main: 50MP f/1.8
- Front: 8MP
Display comparison
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y55s (2023)
- 6.6" IPS LCD
- Resolution: 1080x2408
- 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 Y55s (2023)
- 5000 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15 and Vivo Y55s (2023), covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo Y55s (2023) by 628.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo Y55s (2023)
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Y55s (2023) (94/100 vs 40/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo Y55s (2023) (99/100 vs 57/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Y55s (2023) (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Vivo Y55s (2023) (85/100 vs 43/100).
portability
In the "portability" category, the Vivo Y55s (2023) notably outperforms the Vivo iQOO 15 (64/100 vs 48/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Vivo Y55s (2023)?
The Vivo iQOO 15 significantly outperforms the Vivo Y55s (2023) by 45 points (86/100 vs 41/100).
What is the rating of the Vivo iQOO 15 and the Vivo Y55s (2023)?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo Y55s (2023) — 41/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo Y55s (2023)?
The Vivo iQOO 15 leads on camera score (78/100 vs 30/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo Y55s (2023)?
The Vivo iQOO 15 leads on performance (94/100 vs 40/100).
Should you choose the Vivo iQOO 15 over the Vivo Y55s (2023)?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.