Samsung Galaxy M21s vs Vivo iQOO Z7
The Samsung Galaxy M21s (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 23/100 (a 3-point difference). Key differences: the Samsung Galaxy M21s has the bigger battery (6000 mAh vs 4500); the Vivo iQOO Z7 is noticeably lighter (173g vs 191g).
Samsung Galaxy M21s
Vivo iQOO Z7
- Bigger battery: 6000 vs 4500 mAh
- Better camera (46/100 vs 37/100)
- Longer battery life (45/100 vs 30/100)
- Faster charging: 44W vs 15W
- Lighter: 173g vs 191g
- Better display (50/100 vs 0/100)
- Better design/ergonomics (83/100 vs 61/100)
Comparing the Samsung Galaxy M21s vs the Vivo iQOO Z7, the Vivo iQOO Z7 scores 3 points higher (26/100 vs 23/100). In the "battery" category, the Samsung Galaxy M21s 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 M21s (50/100 vs 0/100). In the "camera" category, the Samsung Galaxy M21s is a bit better (46/100 vs 37/100). In the "battery" category, the Samsung Galaxy M21s notably outperforms the Vivo iQOO Z7 (45/100 vs 30/100). In the "design" category, the Vivo iQOO Z7 notably outperforms the Samsung Galaxy M21s (83/100 vs 61/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Samsung Galaxy M21s | 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 | 64 MP | 64 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 4GB / 6GB | 6GB / 8GB | |
| Storage | 64GB / 128GB | 128GB | |
| OS | Android 10, One UI 2.5 | Android 13, Funtouch 13 | |
| Brightness (peak) | 420 nits | 1300 nits | |
| NFC | no | no | |
| Protection | — | IP54 | |
| Dimensions | 159.2×75.1×8.9 mm | 158.9×73.5×7.8 mm | |
| Weight | 191 g | 173 g | |
| Price | — | — |
Samsung Galaxy M21s
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Front: 32MP
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Samsung Galaxy M21s
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Samsung Galaxy M21s
- 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 M21s (50/100 vs 0/100).
camera
In the "camera" category, the Samsung Galaxy M21s is a bit better (46/100 vs 37/100).
battery
In the "battery" category, the Samsung Galaxy M21s 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 M21s (83/100 vs 61/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Samsung Galaxy M21s or the Vivo iQOO Z7?
The Vivo iQOO Z7 edges out the Samsung Galaxy M21s by just 3 points — the two devices are very close in overall level.
What is the rating of the Samsung Galaxy M21s and the Vivo iQOO Z7?
The Samsung Galaxy M21s has a MobileRank rating of 23/100, the Vivo iQOO Z7 — 26/100.
Which has the better camera: the Samsung Galaxy M21s or the Vivo iQOO Z7?
The Samsung Galaxy M21s leads on camera score (46/100 vs 37/100).
Should you choose the Samsung Galaxy M21s over the Vivo iQOO Z7?
The Samsung Galaxy M21s is a better fit for everyday use. The Vivo iQOO Z7 is a better fit for everyday use.