Samsung Galaxy A51 vs Vivo iQOO Z7
The Samsung Galaxy A51 (2020) runs on the Exynos 9611, while the Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920. By overall MobileRank rating, the Vivo iQOO Z7 leads — 26/100 vs 18/100 (a 8-point difference). Key differences: the Vivo iQOO Z7 has the bigger battery (4500 mAh vs 4000); the main camera is 48 MP vs 64 MP; the Samsung Galaxy A51 has NFC for contactless payments, the Vivo iQOO Z7 doesn't.
Samsung Galaxy A51
Vivo iQOO Z7
- Lighter: 172g vs 173g
- Better design/ergonomics (85/100 vs 83/100)
- Better value for money (82/100 vs 55/100)
- Bigger battery: 4500 vs 4000 mAh
- Better main camera: 64MP vs 48MP
- Higher refresh rate: 90Hz vs 60Hz
- Better camera (37/100 vs 32/100)
- Longer battery life (30/100 vs 12/100)
- Better display (50/100 vs 0/100)
Comparing the Samsung Galaxy A51 vs the Vivo iQOO Z7, the Vivo iQOO Z7 scores 8 points higher (26/100 vs 18/100). In the "battery" category, the Vivo iQOO Z7 leads (30/100 vs 12/100). In the "value for money" category, the Samsung Galaxy A51 leads (82/100 vs 55/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Vivo iQOO Z7 significantly outperforms the Samsung Galaxy A51 (50/100 vs 0/100). In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 32/100). In the "battery" category, the Vivo iQOO Z7 notably outperforms the Samsung Galaxy A51 (30/100 vs 12/100). In the "design" category, the Samsung Galaxy A51 and the Vivo iQOO Z7 are nearly equal (85/100 vs 83/100). In the "value for money" category, the Samsung Galaxy A51 notably outperforms the Vivo iQOO Z7 (82/100 vs 55/100).
| Specification | Samsung Galaxy A51 | Vivo iQOO Z7 | |
|---|---|---|---|
| Processor | Exynos 9611 | MediaTek Dimensity 920 | |
| AnTuTu | 355351 | — | |
| Geekbench Single | 365 | — | |
| Geekbench Multi | 1107 | — | |
| Display | 6.5" AMOLED | 6.4" AMOLED | |
| Resolution | — | 1080x2400 | |
| Refresh rate | 60 Hz | 90 Hz | |
| Battery | 4000 mAh | 4500 mAh | |
| Charging | — | 44W | |
| Main camera | 48 MP | 64 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 4GB / 6GB | 6GB / 8GB | |
| Storage | 64GB / 128GB | 128GB | |
| OS | — | Android 13, Funtouch 13 | |
| Brightness (peak) | — | 1300 nits | |
| NFC | yes | no | |
| Protection | — | IP54 | |
| Dimensions | 158.5×73.6×7.9 mm | 158.9×73.5×7.8 mm | |
| Weight | 172 g | 173 g | |
| Price | $399 | — |
Samsung Galaxy A51
- Main: 48MP
- Front: 32MP
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Samsung Galaxy A51
- 6.5" AMOLED
- Refresh rate: 60 Hz
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Samsung Galaxy A51
- 4000 mAh
- No wireless charging
Vivo iQOO Z7
- 4500 mAh
- Wired: 44W
- No wireless charging
Vivo iQOO Z7
Price unknownperformance
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 Samsung Galaxy A51 (50/100 vs 0/100).
camera
In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 32/100).
battery
In the "battery" category, the Vivo iQOO Z7 notably outperforms the Samsung Galaxy A51 (30/100 vs 12/100).
design
In the "design" category, the Samsung Galaxy A51 and the Vivo iQOO Z7 are nearly equal (85/100 vs 83/100).
value for money
In the "value for money" category, the Samsung Galaxy A51 notably outperforms the Vivo iQOO Z7 (82/100 vs 55/100).
Which is better: the Samsung Galaxy A51 or the Vivo iQOO Z7?
The Vivo iQOO Z7 edges out the Samsung Galaxy A51 by just 8 points — the two devices are very close in overall level.
What is the rating of the Samsung Galaxy A51 and the Vivo iQOO Z7?
The Samsung Galaxy A51 has a MobileRank rating of 18/100, the Vivo iQOO Z7 — 26/100.
Which has the better camera: the Samsung Galaxy A51 or the Vivo iQOO Z7?
The Vivo iQOO Z7 leads on camera score (37/100 vs 32/100).
Should you choose the Samsung Galaxy A51 over the Vivo iQOO Z7?
The Samsung Galaxy A51 is a better fit for budget-conscious buyers. The Vivo iQOO Z7 is a better fit for everyday use.