Oppo K12x (China) vs Vivo iQOO Z7
The Oppo K12x (China) (2024) runs on the Qualcomm Snapdragon 695 5G, while the Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920. By overall MobileRank rating, the Oppo K12x (China) leads — 51/100 vs 50/100 (a 1-point difference). Key differences: the Oppo K12x (China) has the bigger battery (5500 mAh vs 4500); the main camera is 50 MP vs 64 MP; the Vivo iQOO Z7 is faster in AnTuTu (750,481 vs 592,015); the Vivo iQOO Z7 is noticeably lighter (173g vs 191g).
Profile comparison
Category scores
Oppo K12x (China)
Vivo iQOO Z7
What makes Oppo K12x (China) better?
- Bigger battery: 5500 vs 4500 mAh
- Faster charging: 80W vs 44W
- Higher refresh rate: 120Hz vs 90Hz
- Longer battery life (62/100 vs 38/100)
- Better display (79/100 vs 69/100)
What makes Vivo iQOO Z7 better?
- Higher AnTuTu: 750481 vs 592015
- Better Geekbench Single: 936 vs 905
- Better Geekbench Multi: 2318 vs 2101
- Better main camera: 64MP vs 50MP
- Lighter: 173g vs 191g
- Higher performance (51/100 vs 46/100)
- Better camera (40/100 vs 32/100)
- Better portability (77/100 vs 63/100)
Comparison verdict
Comparing the Oppo K12x (China) vs the Vivo iQOO Z7, the Oppo K12x (China) scores 1 points higher (51/100 vs 50/100). In the "battery" category, the Oppo K12x (China) leads (62/100 vs 38/100). In the "performance" category, the Vivo iQOO Z7 is a bit better (51/100 vs 46/100). In the "display" category, the Oppo K12x (China) is a bit better (79/100 vs 69/100). In the "camera" category, the Vivo iQOO Z7 is a bit better (40/100 vs 32/100). In the "battery" category, the Oppo K12x (China) notably outperforms the Vivo iQOO Z7 (62/100 vs 38/100). In the "portability" category, the Vivo iQOO Z7 is a bit better (77/100 vs 63/100).
Specs comparison
| Specification | Oppo K12x (China) | Vivo iQOO Z7 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 695 5G | MediaTek Dimensity 920 | |
| AnTuTu | 592015 | 750481 | |
| Geekbench Single | 905 | 936 | |
| Geekbench Multi | 2101 | 2318 | |
| Display | 6.7" OLED | 6.4" AMOLED | |
| Resolution | 1080x2400 | 1080x2400 | |
| Refresh rate | 120 Hz | 90 Hz | |
| Battery | 5500 mAh | 4500 mAh | |
| Charging | 80W | 44W | |
| Main camera | 50 MP | 64 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 8GB / 12GB | 6GB / 8GB | |
| Storage | 128GB / 256GB / 512GB | 128GB | |
| OS | Android 14, ColorOS 14 | Android 13, Funtouch 13 | |
| Brightness (peak) | 2100 nits | 1300 nits | |
| NFC | no | no | |
| Protection | — | IP54 | |
| Dimensions | 162.9×75.6×8.1 mm | 158.9×73.5×7.8 mm | |
| Weight | 191 g | 173 g | |
| Launch price | — | — |
Camera comparison
Oppo K12x (China)
- Main: 50MP f/1.8
- Front: 16MP
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Display comparison
Oppo K12x (China)
- 6.7" OLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Battery and charging
Oppo K12x (China)
- 5500 mAh
- Wired: 80W
- No wireless charging
Vivo iQOO Z7
- 4500 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Oppo K12x (China) and Vivo iQOO Z7, covering their specs and all relevant benchmarks.
Vivo iQOO Z7 leads Oppo K12x (China) by 21.1% in our overall performance rating.
Benchmarks
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO Z7 is a bit better (51/100 vs 46/100).
display
In the "display" category, the Oppo K12x (China) is a bit better (79/100 vs 69/100).
camera
In the "camera" category, the Vivo iQOO Z7 is a bit better (40/100 vs 32/100).
battery
In the "battery" category, the Oppo K12x (China) notably outperforms the Vivo iQOO Z7 (62/100 vs 38/100).
portability
In the "portability" category, the Vivo iQOO Z7 is a bit better (77/100 vs 63/100).
Frequently asked questions
Which is better: the Oppo K12x (China) or the Vivo iQOO Z7?
The Oppo K12x (China) edges out the Vivo iQOO Z7 by just 1 points — the two devices are very close in overall level.
What is the rating of the Oppo K12x (China) and the Vivo iQOO Z7?
The Oppo K12x (China) has a MobileRank rating of 51/100, the Vivo iQOO Z7 — 50/100.
Which has the better camera: the Oppo K12x (China) or the Vivo iQOO Z7?
The Vivo iQOO Z7 leads on camera score (40/100 vs 32/100).
Which is more powerful: the Oppo K12x (China) or the Vivo iQOO Z7?
The Vivo iQOO Z7 leads on performance (51/100 vs 46/100).
Should you choose the Oppo K12x (China) over the Vivo iQOO Z7?
Neither model stands out enough to recommend it for a specific use case: the clearest difference is battery life — better on the Oppo K12x (China) (62/100 vs 38/100).