OPPO K15 vs Vivo Y77 (China)
The OPPO K15 (2026) runs on the Dimensity 7360 Super, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the OPPO K15 leads — 42/100 vs 29/100 (a 13-point difference). Key differences: the OPPO K15 has the bigger battery (8000 mAh vs 4500); the OPPO K15 has NFC for contactless payments, the Vivo Y77 (China) doesn't.
OPPO K15
Vivo Y77 (China)
- Bigger battery: 8000 vs 4500 mAh
- Higher performance (2/100 vs 0/100)
- Better camera (58/100 vs 24/100)
- Longer battery life (69/100 vs 39/100)
- Lighter: 194g vs 200g
- Better design/ergonomics (57/100 vs 50/100)
Comparing the OPPO K15 vs the Vivo Y77 (China), the OPPO K15 scores 13 points higher (42/100 vs 29/100). In the "camera" category, the OPPO K15 leads (58/100 vs 24/100). In the "battery" category, the OPPO K15 leads (69/100 vs 39/100). In the "performance" category, the OPPO K15 and the Vivo Y77 (China) are nearly equal (2/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the OPPO K15 significantly outperforms the Vivo Y77 (China) (58/100 vs 24/100). In the "battery" category, the OPPO K15 significantly outperforms the Vivo Y77 (China) (69/100 vs 39/100). In the "design" category, the Vivo Y77 (China) is a bit better (57/100 vs 50/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | OPPO K15 | Vivo Y77 (China) | |
|---|---|---|---|
| Processor | Dimensity 7360 Super | MediaTek Dimensity 930 | |
| AnTuTu | 877641 | — | |
| Geekbench Single | 1011 | — | |
| Geekbench Multi | 2813 | — | |
| Display | 6.6" AMOLED | 6.6" IPS LCD | |
| Resolution | 1256x2760 | 1080x2388 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8000 mAh | 4500 mAh | |
| Charging | 80W | 80W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Front camera | 50 MP | 8 MP | |
| RAM | 12GB | 6GB / 8GB / 12GB | |
| Storage | 256GB | 128GB / 256GB | |
| OS | Android 16 | Android 12, Origin OS Ocean | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | — | 164.2×75.8×8.6 mm | |
| Weight | 200 g | 194 g | |
| Price | — | — |
OPPO K15
- Main: 50MP f/f/1.8
- Ultrawide: 50MP
- Front: 50MP
Vivo Y77 (China)
- Main: 50MP f/f/1.8
- Front: 8MP
OPPO K15
- 6.6" AMOLED
- Resolution: 1256x2760
- Refresh rate: 120 Hz
Vivo Y77 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
OPPO K15
- 8000 mAh
- Wired: 80W
- No wireless charging
Vivo Y77 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
performance
In the "performance" category, the OPPO K15 and the Vivo Y77 (China) are nearly equal (2/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the OPPO K15 significantly outperforms the Vivo Y77 (China) (58/100 vs 24/100).
battery
In the "battery" category, the OPPO K15 significantly outperforms the Vivo Y77 (China) (69/100 vs 39/100).
design
In the "design" category, the Vivo Y77 (China) is a bit better (57/100 vs 50/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the OPPO K15 or the Vivo Y77 (China)?
The OPPO K15 is noticeably better than the Vivo Y77 (China) — the overall rating gap is 13 points.
What is the rating of the OPPO K15 and the Vivo Y77 (China)?
The OPPO K15 has a MobileRank rating of 42/100, the Vivo Y77 (China) — 29/100.
Which has the better camera: the OPPO K15 or the Vivo Y77 (China)?
The OPPO K15 leads on camera score (58/100 vs 24/100).
Should you choose the OPPO K15 over the Vivo Y77 (China)?
The OPPO K15 is a better fit for everyday use. The Vivo Y77 (China) is a better fit for everyday use.