Oppo A55s 5G vs Vivo iQOO 15
The Oppo A55s 5G (2021) runs on the Qualcomm Snapdragon 480, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 33/100 (a 53-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4000); the main camera is 13 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 435,710); the Vivo iQOO 15 has NFC for contactless payments, the Oppo A55s 5G doesn't; the Oppo A55s 5G is noticeably lighter (178g vs 215g).
Profile comparison
Category scores
Oppo A55s 5G
Vivo iQOO 15
What makes Oppo A55s 5G better?
- Lighter: 178g vs 215g
- Better portability (70/100 vs 48/100)
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 435710
- Better Geekbench Single: 3013 vs 689
- Better Geekbench Multi: 9287 vs 1597
- Bigger battery: 7000 vs 4000 mAh
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (94/100 vs 38/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (85/100 vs 32/100)
- Better display (99/100 vs 54/100)
Comparison verdict
Comparing the Oppo A55s 5G vs the Vivo iQOO 15, the Vivo iQOO 15 scores 53 points higher (86/100 vs 33/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 38/100). 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 32/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo A55s 5G (94/100 vs 38/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Oppo A55s 5G (99/100 vs 54/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo A55s 5G (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Oppo A55s 5G (85/100 vs 32/100). In the "portability" category, the Oppo A55s 5G notably outperforms the Vivo iQOO 15 (70/100 vs 48/100).
Specs comparison
| Specification | Oppo A55s 5G | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 480 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 435710 | 3758268 | |
| Geekbench Single | 689 | 3013 | |
| Geekbench Multi | 1597 | 9287 | |
| Display | 6.5" LCD IPS | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 4000 mAh | 7000 mAh | |
| Charging | — | 100W | |
| Wireless charging | — | 40W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | — | 12GB / 16GB | |
| Storage | 64GB | 256GB / 512GB / 1TB | |
| OS | Android 11 Red Velvet Cake | Android 16 | |
| Brightness (peak) | 550 nits | 6000 nits | |
| NFC | no | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 162.1×74.7×8.2 mm | 163.7×76.8×8.1 mm | |
| Weight | 178 g | 215 g | |
| Launch price | — | $599 |
Camera comparison
Oppo A55s 5G
- Main: 13MP
- Front: 8MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Oppo A55s 5G
- 6.5" LCD IPS
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Oppo A55s 5G
- 4000 mAh
- Wireless charging: no data
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Oppo A55s 5G and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Oppo A55s 5G by 88.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A55s 5G
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo A55s 5G (94/100 vs 38/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Oppo A55s 5G (99/100 vs 54/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo A55s 5G (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Oppo A55s 5G (85/100 vs 32/100).
portability
In the "portability" category, the Oppo A55s 5G notably outperforms the Vivo iQOO 15 (70/100 vs 48/100).
Frequently asked questions
Which is better: the Oppo A55s 5G or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Oppo A55s 5G by 53 points (86/100 vs 33/100).
What is the rating of the Oppo A55s 5G and the Vivo iQOO 15?
The Oppo A55s 5G has a MobileRank rating of 33/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Oppo A55s 5G or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 10/100).
Which is more powerful: the Oppo A55s 5G or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 38/100).
Should you choose the Oppo A55s 5G over the Vivo iQOO 15?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.