Samsung Galaxy M21 2021 vs Vivo iQOO 15
The Samsung Galaxy M21 2021 (2021) runs on the Exynos 9611, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 43/100 (a 43-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 6000); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 355,351); the Vivo iQOO 15 has NFC for contactless payments, the Samsung Galaxy M21 2021 doesn't; the Samsung Galaxy M21 2021 is noticeably lighter (192g vs 215g).
Profile comparison
Category scores
Samsung Galaxy M21 2021
Vivo iQOO 15
What makes Samsung Galaxy M21 2021 better?
- Lighter: 192g vs 215g
- Better portability (68/100 vs 48/100)
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 355351
- Better Geekbench Single: 3013 vs 365
- Better Geekbench Multi: 9287 vs 1107
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 15W
- Better main camera: 50MP vs 48MP
- Higher performance (94/100 vs 25/100)
- Better camera (78/100 vs 36/100)
- Longer battery life (85/100 vs 51/100)
- Better display (99/100 vs 83/100)
Comparison verdict
Comparing the Samsung Galaxy M21 2021 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 43 points higher (86/100 vs 43/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 25/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 36/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 51/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy M21 2021 (94/100 vs 25/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Samsung Galaxy M21 2021 (99/100 vs 83/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy M21 2021 (78/100 vs 36/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy M21 2021 (85/100 vs 51/100). In the "portability" category, the Samsung Galaxy M21 2021 notably outperforms the Vivo iQOO 15 (68/100 vs 48/100).
Specs comparison
| Specification | Samsung Galaxy M21 2021 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Exynos 9611 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 355351 | 3758268 | |
| Geekbench Single | 365 | 3013 | |
| Geekbench Multi | 1107 | 9287 | |
| Display | 6.4" Super AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2340 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 6000 mAh | 7000 mAh | |
| Charging | 15W | 100W | |
| Wireless charging | 0W | 40W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 11, One UI 3.1 Core | Android 16 | |
| Brightness (peak) | 420 nits | 6000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 163.7×76.8×8.1 mm | |
| Weight | 192 g | 215 g | |
| Launch price | — | $599 |
Camera comparison
Samsung Galaxy M21 2021
- Main: 48MP f/2.0
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Samsung Galaxy M21 2021
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Samsung Galaxy M21 2021
- 6000 mAh
- Wired: 15W
- No wireless charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Samsung Galaxy M21 2021 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Samsung Galaxy M21 2021 by 90.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Samsung Galaxy M21 2021
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy M21 2021 (94/100 vs 25/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the Samsung Galaxy M21 2021 (99/100 vs 83/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy M21 2021 (78/100 vs 36/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy M21 2021 (85/100 vs 51/100).
portability
In the "portability" category, the Samsung Galaxy M21 2021 notably outperforms the Vivo iQOO 15 (68/100 vs 48/100).
Frequently asked questions
Which is better: the Samsung Galaxy M21 2021 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Samsung Galaxy M21 2021 by 43 points (86/100 vs 43/100).
What is the rating of the Samsung Galaxy M21 2021 and the Vivo iQOO 15?
The Samsung Galaxy M21 2021 has a MobileRank rating of 43/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Samsung Galaxy M21 2021 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 36/100).
Which is more powerful: the Samsung Galaxy M21 2021 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 25/100).
Should you choose the Samsung Galaxy M21 2021 over the Vivo iQOO 15?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.