Samsung Galaxy M21 vs Vivo iQOO 15T
The Samsung Galaxy M21 (2020) runs on the Exynos 9611, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 42/100 (a 40-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 6000); the main camera is 48 MP vs 200 MP; the Vivo iQOO 15T is faster in AnTuTu (3,815,522 vs 355,351); the Vivo iQOO 15T has NFC for contactless payments, the Samsung Galaxy M21 doesn't; the Samsung Galaxy M21 is noticeably lighter (188g vs 216g).
Samsung Galaxy M21
Vivo iQOO 15T
- Lighter: 188g vs 216g
- Better portability (57/100 vs 44/100)
- Higher AnTuTu: 3815522 vs 355351
- Better Geekbench Single: 3228 vs 365
- Better Geekbench Multi: 9553 vs 1107
- Bigger battery: 8000 vs 6000 mAh
- Faster charging: 100W vs 15W
- Better main camera: 200MP vs 48MP
- Higher performance (95/100 vs 25/100)
- Better camera (65/100 vs 36/100)
- Longer battery life (75/100 vs 51/100)
- Better display (99/100 vs 83/100)
Comparing the Samsung Galaxy M21 vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 40 points higher (82/100 vs 42/100). In the "performance" category, the Vivo iQOO 15T leads (95/100 vs 25/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 36/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 51/100). In the "performance" category, the Vivo iQOO 15T significantly outperforms the Samsung Galaxy M21 (95/100 vs 25/100). In the "display" category, the Vivo iQOO 15T notably outperforms the Samsung Galaxy M21 (99/100 vs 83/100). In the "camera" category, the Vivo iQOO 15T notably outperforms the Samsung Galaxy M21 (65/100 vs 36/100). In the "battery" category, the Vivo iQOO 15T notably outperforms the Samsung Galaxy M21 (75/100 vs 51/100). In the "portability" category, the Samsung Galaxy M21 is a bit better (57/100 vs 44/100).
| Specification | Samsung Galaxy M21 | Vivo iQOO 15T | |
|---|---|---|---|
| Processor | Exynos 9611 | MediaTek Dimensity 9500 | |
| AnTuTu | 355351 | 3815522 | |
| Geekbench Single | 365 | 3228 | |
| Geekbench Multi | 1107 | 9553 | |
| Display | 6.4" Super AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2340 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 6000 mAh | 8000 mAh | |
| Charging | 15W | 100W | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10.0; One UI 2 | Android 16 | |
| Brightness (peak) | 420 nits | — | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 159.0×75.1×8.9 mm | — | |
| Weight | 188 g | 216 g | |
| Launch price | — | $499 |
Samsung Galaxy M21
- Main: 48MP f/f/2.0
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO 15T
- Main: 200MP f/f/1.8
- Ultrawide: 50MP
- Front: 16MP
Samsung Galaxy M21
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Samsung Galaxy M21
- 6000 mAh
- Wired: 15W
- No wireless charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
We compared Samsung Galaxy M21 and Vivo iQOO 15T, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Samsung Galaxy M21 by 90.7% in our overall performance rating.
Samsung Galaxy M21
Price unknownperformance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the Samsung Galaxy M21 (95/100 vs 25/100).
display
In the "display" category, the Vivo iQOO 15T notably outperforms the Samsung Galaxy M21 (99/100 vs 83/100).
camera
In the "camera" category, the Vivo iQOO 15T notably outperforms the Samsung Galaxy M21 (65/100 vs 36/100).
battery
In the "battery" category, the Vivo iQOO 15T notably outperforms the Samsung Galaxy M21 (75/100 vs 51/100).
portability
In the "portability" category, the Samsung Galaxy M21 is a bit better (57/100 vs 44/100).
Which is better: the Samsung Galaxy M21 or the Vivo iQOO 15T?
The Vivo iQOO 15T significantly outperforms the Samsung Galaxy M21 by 40 points (82/100 vs 42/100).
What is the rating of the Samsung Galaxy M21 and the Vivo iQOO 15T?
The Samsung Galaxy M21 has a MobileRank rating of 42/100, the Vivo iQOO 15T — 82/100.
Which has the better camera: the Samsung Galaxy M21 or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on camera score (65/100 vs 36/100).
Which is more powerful: the Samsung Galaxy M21 or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on performance (95/100 vs 25/100).
Should you choose the Samsung Galaxy M21 over the Vivo iQOO 15T?
The Samsung Galaxy M21 is a better fit for everyday use. The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.