Oppo K12x vs Vivo Y77 (China)
The Oppo K12x (2024) runs on the Qualcomm Snapdragon 695 5G, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Oppo K12x leads — 51/100 vs 45/100 (a 6-point difference). Key differences: the Oppo K12x has the bigger battery (5500 mAh vs 4500); the Vivo Y77 (China) is faster in AnTuTu (593,307 vs 592,015).
Profile comparison
Category scores
Oppo K12x
Vivo Y77 (China)
What makes Oppo K12x better?
- Bigger battery: 5500 vs 4500 mAh
- Lighter: 191g vs 194g
- Better camera (32/100 vs 30/100)
- Longer battery life (62/100 vs 45/100)
- Better display (79/100 vs 66/100)
- Better portability (63/100 vs 56/100)
What makes Vivo Y77 (China) better?
- Higher AnTuTu: 593307 vs 592015
- Better Geekbench Single: 915 vs 905
- Better Geekbench Multi: 2299 vs 2101
- Higher performance (47/100 vs 46/100)
Comparison verdict
Comparing the Oppo K12x vs the Vivo Y77 (China), the Oppo K12x scores 6 points higher (51/100 vs 45/100). In the "battery" category, the Oppo K12x leads (62/100 vs 45/100). In the "performance" category, the Vivo Y77 (China) and the Oppo K12x are nearly equal (47/100 vs 46/100). In the "display" category, the Oppo K12x is a bit better (79/100 vs 66/100). In the "camera" category, the Oppo K12x and the Vivo Y77 (China) are nearly equal (32/100 vs 30/100). In the "battery" category, the Oppo K12x notably outperforms the Vivo Y77 (China) (62/100 vs 45/100). In the "portability" category, the Oppo K12x is a bit better (63/100 vs 56/100).
Specs comparison
| Specification | Oppo K12x | Vivo Y77 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 695 5G | MediaTek Dimensity 930 | |
| AnTuTu | 592015 | 593307 | |
| Geekbench Single | 905 | 915 | |
| Geekbench Multi | 2101 | 2299 | |
| Display | 6.7" OLED | 6.6" IPS LCD | |
| Resolution | 1080x2400 | 1080x2388 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5500 mAh | 4500 mAh | |
| Charging | 80W | 80W | |
| Main camera | 50 MP | 50 MP | |
| Front camera | 16 MP | 8 MP | |
| RAM | 8GB / 12GB | 6GB / 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 14, ColorOS 14 | Android 12, Origin OS Ocean | |
| Brightness (peak) | 2100 nits | — | |
| NFC | no | no | |
| Dimensions | 162.9×75.6×8.1 mm | 164.2×75.8×8.6 mm | |
| Weight | 191 g | 194 g | |
| Launch price | — | — |
Camera comparison
Oppo K12x
- Main: 50MP f/1.8
- Front: 16MP
Vivo Y77 (China)
- Main: 50MP f/1.8
- Front: 8MP
Display comparison
Oppo K12x
- 6.7" OLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo Y77 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Battery and charging
Oppo K12x
- 5500 mAh
- Wired: 80W
- No wireless charging
Vivo Y77 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
Overall performance score
We compared Oppo K12x and Vivo Y77 (China), covering their specs and all relevant benchmarks.
Vivo Y77 (China) leads Oppo K12x by 0.2% in our overall performance rating.
Benchmarks
Detailed category analysis
performance
In the "performance" category, the Vivo Y77 (China) and the Oppo K12x are nearly equal (47/100 vs 46/100).
display
In the "display" category, the Oppo K12x is a bit better (79/100 vs 66/100).
camera
In the "camera" category, the Oppo K12x and the Vivo Y77 (China) are nearly equal (32/100 vs 30/100).
battery
In the "battery" category, the Oppo K12x notably outperforms the Vivo Y77 (China) (62/100 vs 45/100).
portability
In the "portability" category, the Oppo K12x is a bit better (63/100 vs 56/100).
Frequently asked questions
Which is better: the Oppo K12x or the Vivo Y77 (China)?
The Oppo K12x edges out the Vivo Y77 (China) by just 6 points — the two devices are very close in overall level.
What is the rating of the Oppo K12x and the Vivo Y77 (China)?
The Oppo K12x has a MobileRank rating of 51/100, the Vivo Y77 (China) — 45/100.
Should you choose the Oppo K12x over the Vivo Y77 (China)?
Neither model stands out enough to recommend it for a specific use case: the clearest difference is battery life — better on the Oppo K12x (62/100 vs 45/100).