Samsung Galaxy M21 vs Vivo iQOO Z7
The Samsung Galaxy M21 (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 20/100 (a 6-point difference). Key differences: the Samsung Galaxy M21 has the bigger battery (6000 mAh vs 4500); the main camera is 48 MP vs 64 MP; the Vivo iQOO Z7 is noticeably lighter (173g vs 188g).
Samsung Galaxy M21
Vivo iQOO Z7
- Bigger battery: 6000 vs 4500 mAh
- Longer battery life (45/100 vs 30/100)
- Faster charging: 44W vs 15W
- Better main camera: 64MP vs 48MP
- Lighter: 173g vs 188g
- Better camera (37/100 vs 31/100)
- Better display (50/100 vs 0/100)
- Better design/ergonomics (83/100 vs 65/100)
Comparing the Samsung Galaxy M21 vs the Vivo iQOO Z7, the Vivo iQOO Z7 scores 6 points higher (26/100 vs 20/100). In the "battery" category, the Samsung Galaxy M21 leads (45/100 vs 30/100). 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 M21 (50/100 vs 0/100). In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 31/100). In the "battery" category, the Samsung Galaxy M21 notably outperforms the Vivo iQOO Z7 (45/100 vs 30/100). In the "design" category, the Vivo iQOO Z7 notably outperforms the Samsung Galaxy M21 (83/100 vs 65/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Samsung Galaxy M21 | Vivo iQOO Z7 | |
|---|---|---|---|
| Processor | Exynos 9611 | MediaTek Dimensity 920 | |
| AnTuTu | 355351 | — | |
| Geekbench Single | 365 | — | |
| Geekbench Multi | 1107 | — | |
| Display | 6.4" Super AMOLED | 6.4" AMOLED | |
| Resolution | 1080x2340 | 1080x2400 | |
| Refresh rate | — | 90 Hz | |
| Battery | 6000 mAh | 4500 mAh | |
| Charging | 15W | 44W | |
| Main camera | 48 MP | 64 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 4GB / 6GB | 6GB / 8GB | |
| Storage | 64GB / 128GB | 128GB | |
| OS | Android 10.0; One UI 2 | Android 13, Funtouch 13 | |
| Brightness (peak) | 420 nits | 1300 nits | |
| NFC | no | no | |
| Protection | — | IP54 | |
| Dimensions | 159.0×75.1×8.9 mm | 158.9×73.5×7.8 mm | |
| Weight | 188 g | 173 g | |
| Price | — | — |
Samsung Galaxy M21
- Main: 48MP f/f/2.0
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Samsung Galaxy M21
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Samsung Galaxy M21
- 6000 mAh
- Wired: 15W
- No wireless charging
Vivo iQOO Z7
- 4500 mAh
- Wired: 44W
- 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 Samsung Galaxy M21 (50/100 vs 0/100).
camera
In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 31/100).
battery
In the "battery" category, the Samsung Galaxy M21 notably outperforms the Vivo iQOO Z7 (45/100 vs 30/100).
design
In the "design" category, the Vivo iQOO Z7 notably outperforms the Samsung Galaxy M21 (83/100 vs 65/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Samsung Galaxy M21 or the Vivo iQOO Z7?
The Vivo iQOO Z7 edges out the Samsung Galaxy M21 by just 6 points — the two devices are very close in overall level.
What is the rating of the Samsung Galaxy M21 and the Vivo iQOO Z7?
The Samsung Galaxy M21 has a MobileRank rating of 20/100, the Vivo iQOO Z7 — 26/100.
Which has the better camera: the Samsung Galaxy M21 or the Vivo iQOO Z7?
The Vivo iQOO Z7 leads on camera score (37/100 vs 31/100).
Should you choose the Samsung Galaxy M21 over the Vivo iQOO Z7?
The Samsung Galaxy M21 is a better fit for everyday use. The Vivo iQOO Z7 is a better fit for everyday use.