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 (3,740,528 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).
Oppo A55s 5G
Vivo iQOO 15
- Lighter: 178g vs 215g
- Better portability (70/100 vs 48/100)
- Higher AnTuTu: 3740528 vs 435710
- Better Geekbench Single: 3041 vs 689
- Better Geekbench Multi: 9494 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)
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).
| Specification | Oppo A55s 5G | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 480 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 435710 | 3740528 | |
| Geekbench Single | 689 | 3041 | |
| Geekbench Multi | 1597 | 9494 | |
| 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 |
Oppo A55s 5G
- Main: 13MP
- Front: 8MP
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
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
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
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.
Oppo A55s 5G
Price unknownperformance
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).
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 Oppo A55s 5G is a better fit for everyday use. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.