Vivo iQOO Z6 (China) vs Vivo Y400
The Vivo iQOO Z6 (China) (2022) runs on the Qualcomm Snapdragon 778G+ 5G, while the Vivo Y400 (2025) runs on the Qualcomm Snapdragon 4 Gen 2. By overall MobileRank rating, the Vivo Y400 leads — 35/100 vs 31/100 (a 4-point difference). Key differences: the Vivo Y400 has the bigger battery (6000 mAh vs 4500); the main camera is 64 MP vs 50 MP; the Vivo iQOO Z6 (China) has NFC for contactless payments, the Vivo Y400 doesn't.
Vivo iQOO Z6 (China)
Vivo Y400
- Better main camera: 64MP vs 50MP
- Lighter: 194g vs 197g
- Better design/ergonomics (57/100 vs 53/100)
- Bigger battery: 6000 vs 4500 mAh
- Faster charging: 90W vs 80W
- Longer battery life (63/100 vs 39/100)
Comparing the Vivo iQOO Z6 (China) vs the Vivo Y400, the Vivo Y400 scores 4 points higher (35/100 vs 31/100). In the "battery" category, the Vivo Y400 leads (63/100 vs 39/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, both devices are on the same level — 100/100. In the "camera" category, both devices are on the same level — 34/100. In the "battery" category, the Vivo Y400 notably outperforms the Vivo iQOO Z6 (China) (63/100 vs 39/100). In the "design" category, the Vivo iQOO Z6 (China) and the Vivo Y400 are nearly equal (57/100 vs 53/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Vivo iQOO Z6 (China) | Vivo Y400 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 778G+ 5G | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | — | 560863 | |
| Geekbench Single | — | 923 | |
| Geekbench Multi | — | 2249 | |
| Display | 6.6" IPS LCD | 6.7" AMOLED | |
| Resolution | 1080x2388 | 1080x2400 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4500 mAh | 6000 mAh | |
| Charging | 80W | 90W | |
| Main camera | 64 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 8GB / 12GB | 8GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Android 12, Origin OS Ocean | Android 15, Funtouch 15 | |
| Brightness (peak) | 650 nits | 1800 nits | |
| NFC | yes | no | |
| Protection | — | IP68 | |
| Dimensions | 164.0×75.8×8.6 mm | 162.3×75.3×7.9 mm | |
| Weight | 194 g | 197 g | |
| Price | — | — |
Vivo iQOO Z6 (China)
- Main: 64MP f/f/1.8
- Front: 8MP
Vivo Y400
- Main: 50MP f/f/1.8
- Front: 32MP
Vivo iQOO Z6 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Vivo Y400
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO Z6 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
Vivo Y400
- 6000 mAh
- Wired: 90W
- No wireless charging
performance
In the "performance" category, both devices are on the same level — 0/100.
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, both devices are on the same level — 34/100.
battery
In the "battery" category, the Vivo Y400 notably outperforms the Vivo iQOO Z6 (China) (63/100 vs 39/100).
design
In the "design" category, the Vivo iQOO Z6 (China) and the Vivo Y400 are nearly equal (57/100 vs 53/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Vivo iQOO Z6 (China) or the Vivo Y400?
The Vivo Y400 edges out the Vivo iQOO Z6 (China) by just 4 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO Z6 (China) and the Vivo Y400?
The Vivo iQOO Z6 (China) has a MobileRank rating of 31/100, the Vivo Y400 — 35/100.
Should you choose the Vivo iQOO Z6 (China) over the Vivo Y400?
The Vivo iQOO Z6 (China) is a better fit for everyday use. The Vivo Y400 is a better fit for everyday use.