Oppo A55s 5G vs Vivo iQOO 15 Ultra
The Oppo A55s 5G (2021) runs on the Qualcomm Snapdragon 480, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 14/100 (a 70-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4000); the main camera is 13 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 435,710); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Oppo A55s 5G doesn't; the Oppo A55s 5G is noticeably lighter (178g vs 227g).
Oppo A55s 5G
Vivo iQOO 15 Ultra
- Lighter: 178g vs 227g
- Better design/ergonomics (77/100 vs 16/100)
- Higher AnTuTu: 4602290 vs 435710
- Better Geekbench Single: 3640 vs 689
- Better Geekbench Multi: 11033 vs 1597
- Bigger battery: 7400 vs 4000 mAh
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (97/100 vs 0/100)
- Better camera (74/100 vs 0/100)
- Longer battery life (86/100 vs 12/100)
- Better display (100/100 vs 50/100)
Comparing the Oppo A55s 5G vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 70 points higher (84/100 vs 14/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 vs 0/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 12/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A55s 5G (97/100 vs 0/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A55s 5G (100/100 vs 50/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A55s 5G (74/100 vs 0/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A55s 5G (86/100 vs 12/100). In the "design" category, the Oppo A55s 5G significantly outperforms the Vivo iQOO 15 Ultra (77/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Oppo A55s 5G | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 480 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 435710 | 4602290 | |
| Geekbench Single | 689 | 3640 | |
| Geekbench Multi | 1597 | 11033 | |
| Display | 6.5" LCD IPS | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 4000 mAh | 7400 mAh | |
| Charging | — | 120W | |
| Wireless charging | 0W | 50W | |
| 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 / 24GB | |
| Storage | 64GB | 256GB / 512GB / 1TB | |
| OS | Android 11 Red Velvet Cake | Android 16 | |
| Brightness (peak) | 550 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 162.1×74.7×8.2 mm | 163.7×76.8×8.7 mm | |
| Weight | 178 g | 227 g | |
| Price | — | $799 |
Oppo A55s 5G
- Main: 13MP
- Front: 8MP
Vivo iQOO 15 Ultra
- 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 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Oppo A55s 5G
- 4000 mAh
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Oppo A55s 5G and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Oppo A55s 5G by 90.5% in our overall performance rating.
Oppo A55s 5G
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A55s 5G (97/100 vs 0/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A55s 5G (100/100 vs 50/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A55s 5G (74/100 vs 0/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A55s 5G (86/100 vs 12/100).
design
In the "design" category, the Oppo A55s 5G significantly outperforms the Vivo iQOO 15 Ultra (77/100 vs 16/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Oppo A55s 5G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Oppo A55s 5G by 70 points (84/100 vs 14/100).
What is the rating of the Oppo A55s 5G and the Vivo iQOO 15 Ultra?
The Oppo A55s 5G has a MobileRank rating of 14/100, the Vivo iQOO 15 Ultra — 84/100.
Which has the better camera: the Oppo A55s 5G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 0/100).
Which is more powerful: the Oppo A55s 5G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 0/100).
Should you choose the Oppo A55s 5G over the Vivo iQOO 15 Ultra?
The Oppo A55s 5G is a better fit for everyday use. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life.