Vivo iQOO Z7 vs Vivo X51 5G
The Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920, while the Vivo X51 5G (2020) runs on the Qualcomm Snapdragon 765G. By overall MobileRank rating, the Vivo iQOO Z7 leads — 26/100 vs 25/100 (a 1-point difference). Key differences: the Vivo iQOO Z7 has the bigger battery (4500 mAh vs 4315); the main camera is 64 MP vs 48 MP; the Vivo X51 5G has NFC for contactless payments, the Vivo iQOO Z7 doesn't.
Vivo iQOO Z7
Vivo X51 5G
- Bigger battery: 4500 vs 4315 mAh
- Faster charging: 44W vs 33W
- Better main camera: 64MP vs 48MP
- Lighter: 173g vs 181g
- Longer battery life (30/100 vs 22/100)
- Better design/ergonomics (83/100 vs 73/100)
- Better camera (38/100 vs 37/100)
Comparing the Vivo iQOO Z7 vs the Vivo X51 5G, the Vivo iQOO Z7 scores 1 points higher (26/100 vs 25/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, both devices are on the same level — 50/100. In the "camera" category, the Vivo X51 5G and the Vivo iQOO Z7 are nearly equal (38/100 vs 37/100). In the "battery" category, the Vivo iQOO Z7 is a bit better (30/100 vs 22/100). In the "design" category, the Vivo iQOO Z7 is a bit better (83/100 vs 73/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Vivo iQOO Z7 | Vivo X51 5G | |
|---|---|---|---|
| Processor | MediaTek Dimensity 920 | Qualcomm Snapdragon 765G | |
| AnTuTu | — | 597974 | |
| Geekbench Single | — | 799 | |
| Geekbench Multi | — | 1836 | |
| Display | 6.4" AMOLED | 6.6" AMOLED | |
| Resolution | 1080x2400 | 1080x2376 | |
| Refresh rate | 90 Hz | 90 Hz | |
| Battery | 4500 mAh | 4315 mAh | |
| Charging | 44W | 33W | |
| Main camera | 64 MP | 48 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 0 MP | 8 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 6GB / 8GB | 8GB | |
| Storage | 128GB | 256GB | |
| OS | Android 13, Funtouch 13 | Android 10, Funtouch 10.0 | |
| Brightness (peak) | 1300 nits | — | |
| NFC | no | yes | |
| Protection | IP54 | — | |
| Dimensions | 158.9×73.5×7.8 mm | 158.5×72.8×8.0 mm | |
| Weight | 173 g | 181 g | |
| Price | — | — |
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Vivo X51 5G
- Main: 48MP f/f/1.6
- Ultrawide: 8MP
- Telephoto: 8MP
- Front: 32MP
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Vivo X51 5G
- 6.6" AMOLED
- Resolution: 1080x2376
- Refresh rate: 90 Hz
Vivo iQOO Z7
- 4500 mAh
- Wired: 44W
- No wireless charging
Vivo X51 5G
- 4315 mAh
- Wired: 33W
- 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 — 50/100.
camera
In the "camera" category, the Vivo X51 5G and the Vivo iQOO Z7 are nearly equal (38/100 vs 37/100).
battery
In the "battery" category, the Vivo iQOO Z7 is a bit better (30/100 vs 22/100).
design
In the "design" category, the Vivo iQOO Z7 is a bit better (83/100 vs 73/100).
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 X51 5G?
The Vivo iQOO Z7 edges out the Vivo X51 5G by just 1 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO Z7 and the Vivo X51 5G?
The Vivo iQOO Z7 has a MobileRank rating of 26/100, the Vivo X51 5G — 25/100.
Should you choose the Vivo iQOO Z7 over the Vivo X51 5G?
The Vivo iQOO Z7 is a better fit for everyday use. The Vivo X51 5G is a better fit for everyday use.