Vivo iQOO Z7 vs Vivo Y51
The Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920, while the Vivo Y51 (2020) runs on the Qualcomm Snapdragon 665. By overall MobileRank rating, the Vivo iQOO Z7 leads — 26/100 vs 18/100 (a 8-point difference). Key differences: the Vivo Y51 has the bigger battery (5000 mAh vs 4500); the main camera is 64 MP vs 48 MP.
Vivo iQOO Z7
Vivo Y51
- Faster charging: 44W vs 18W
- Better main camera: 64MP vs 48MP
- Lighter: 173g vs 186g
- Better camera (37/100 vs 29/100)
- Better display (50/100 vs 0/100)
- Better design/ergonomics (83/100 vs 67/100)
- Bigger battery: 5000 vs 4500 mAh
- Longer battery life (36/100 vs 30/100)
Comparing the Vivo iQOO Z7 vs the Vivo Y51, the Vivo iQOO Z7 scores 8 points higher (26/100 vs 18/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Vivo iQOO Z7 significantly outperforms the Vivo Y51 (50/100 vs 0/100). In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 29/100). In the "battery" category, the Vivo Y51 is a bit better (36/100 vs 30/100). In the "design" category, the Vivo iQOO Z7 notably outperforms the Vivo Y51 (83/100 vs 67/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Vivo iQOO Z7 | Vivo Y51 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 920 | Qualcomm Snapdragon 665 | |
| AnTuTu | — | 329457 | |
| Geekbench Single | — | 321 | |
| Geekbench Multi | — | 1128 | |
| Display | 6.4" AMOLED | 6.4" Super AMOLED | |
| Resolution | 1080x2400 | 1080x2340 | |
| Refresh rate | 90 Hz | — | |
| Battery | 4500 mAh | 5000 mAh | |
| Charging | 44W | 18W | |
| Main camera | 64 MP | 48 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 6GB / 8GB | 8GB | |
| Storage | 128GB | 128GB | |
| OS | Android 13, Funtouch 13 | Android 10, Funtouch 10 | |
| Brightness (peak) | 1300 nits | — | |
| NFC | no | no | |
| Protection | IP54 | — | |
| Dimensions | 158.9×73.5×7.8 mm | 159.3×75.2×8.7 mm | |
| Weight | 173 g | 186 g | |
| Price | — | — |
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Vivo Y51
- Main: 48MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Vivo Y51
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Vivo iQOO Z7
- 4500 mAh
- Wired: 44W
- No wireless charging
Vivo Y51
- 5000 mAh
- Wired: 18W
- No wireless charging
performance
In the "performance" category, both devices are on the same level — 0/100.
display
In the "display" category, the Vivo iQOO Z7 significantly outperforms the Vivo Y51 (50/100 vs 0/100).
camera
In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 29/100).
battery
In the "battery" category, the Vivo Y51 is a bit better (36/100 vs 30/100).
design
In the "design" category, the Vivo iQOO Z7 notably outperforms the Vivo Y51 (83/100 vs 67/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Vivo iQOO Z7 or the Vivo Y51?
The Vivo iQOO Z7 edges out the Vivo Y51 by just 8 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO Z7 and the Vivo Y51?
The Vivo iQOO Z7 has a MobileRank rating of 26/100, the Vivo Y51 — 18/100.
Which has the better camera: the Vivo iQOO Z7 or the Vivo Y51?
The Vivo iQOO Z7 leads on camera score (37/100 vs 29/100).
Should you choose the Vivo iQOO Z7 over the Vivo Y51?
The Vivo iQOO Z7 is a better fit for everyday use. The Vivo Y51 is a better fit for everyday use.