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 (3,740,528 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).
Samsung Galaxy M21 2021
Vivo iQOO 15
- Lighter: 192g vs 215g
- Better portability (68/100 vs 48/100)
- Higher AnTuTu: 3740528 vs 355351
- Better Geekbench Single: 3041 vs 365
- Better Geekbench Multi: 9494 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)
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).
| Specification | Samsung Galaxy M21 2021 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Exynos 9611 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 355351 | 3740528 | |
| Geekbench Single | 365 | 3041 | |
| Geekbench Multi | 1107 | 9494 | |
| 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 |
Samsung Galaxy M21 2021
- Main: 48MP f/f/2.0
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
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
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
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.
Samsung Galaxy M21 2021
Price unknownperformance
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).
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 Samsung Galaxy M21 2021 is a better fit for everyday use. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.