Samsung Galaxy M21 vs Xiaomi 18 Fold
The Samsung Galaxy M21 (2020) runs on the Exynos 9611, while the Xiaomi 18 Fold (2026) runs on the Xiaomi XRING O3. By overall MobileRank rating, the Xiaomi 18 Fold leads — 86/100 vs 42/100 (a 44-point difference). Key differences: the main camera is 48 MP vs 200 MP; the Xiaomi 18 Fold is faster in AnTuTu (5,228,014 vs 355,351); the Xiaomi 18 Fold has NFC for contactless payments, the Samsung Galaxy M21 doesn't; the Samsung Galaxy M21 is noticeably lighter (188g vs 219g).
Profile comparison
Category scores
Samsung Galaxy M21
Xiaomi 18 Fold
What makes Samsung Galaxy M21 better?
- Lighter: 188g vs 219g
- Better display (83/100 vs 79/100)
What makes Xiaomi 18 Fold better?
- Higher AnTuTu: 5228014 vs 355351
- Better Geekbench Single: 3715 vs 365
- Better Geekbench Multi: 14213 vs 1107
- Faster charging: 67W vs 15W
- Better main camera: 200MP vs 48MP
- Higher performance (99/100 vs 25/100)
- Better camera (85/100 vs 36/100)
- Longer battery life (75/100 vs 51/100)
- Better portability (64/100 vs 57/100)
Comparison verdict
Comparing the Samsung Galaxy M21 vs the Xiaomi 18 Fold, the Xiaomi 18 Fold scores 44 points higher (86/100 vs 42/100). In the "performance" category, the Xiaomi 18 Fold leads (99/100 vs 25/100). In the "camera" category, the Xiaomi 18 Fold leads (85/100 vs 36/100). In the "battery" category, the Xiaomi 18 Fold leads (75/100 vs 51/100). In the "performance" category, the Xiaomi 18 Fold significantly outperforms the Samsung Galaxy M21 (99/100 vs 25/100). In the "display" category, the Samsung Galaxy M21 and the Xiaomi 18 Fold are nearly equal (83/100 vs 79/100). In the "camera" category, the Xiaomi 18 Fold significantly outperforms the Samsung Galaxy M21 (85/100 vs 36/100). In the "battery" category, the Xiaomi 18 Fold notably outperforms the Samsung Galaxy M21 (75/100 vs 51/100). In the "portability" category, the Xiaomi 18 Fold is a bit better (64/100 vs 57/100).
Specs comparison
| Specification | Samsung Galaxy M21 | Xiaomi 18 Fold | |
|---|---|---|---|
| Processor | Exynos 9611 | Xiaomi XRING O3 | |
| AnTuTu | 355351 | 5228014 | |
| Geekbench Single | 365 | 3715 | |
| Geekbench Multi | 1107 | 14213 | |
| Display | 6.4" Super AMOLED | 7.6" LTPO AMOLED | |
| Resolution | 1080x2340 | 1672x2364 | |
| Refresh rate | — | 120 Hz | |
| Battery | 6000 mAh | 6000 mAh | |
| Charging | 15W | 67W | |
| Wireless charging | 0W | 50W | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 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 | 4000 nits | |
| NFC | no | yes | |
| Protection | — | IP59 | |
| Dimensions | 159.0×75.1×8.9 mm | 159.7×145.1×5.0 mm | |
| Weight | 188 g | 219 g | |
| Launch price | — | $1639 |
Camera comparison
Samsung Galaxy M21
- Main: 48MP f/2.0
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 18 Fold
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 16MP
Display comparison
Samsung Galaxy M21
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Xiaomi 18 Fold
- 7.6" LTPO AMOLED
- Resolution: 1672x2364
- Refresh rate: 120 Hz
Battery and charging
Samsung Galaxy M21
- 6000 mAh
- Wired: 15W
- No wireless charging
Xiaomi 18 Fold
- 6000 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared Samsung Galaxy M21 and Xiaomi 18 Fold, covering their specs and all relevant benchmarks.
Xiaomi 18 Fold leads Samsung Galaxy M21 by 93.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Samsung Galaxy M21
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 18 Fold significantly outperforms the Samsung Galaxy M21 (99/100 vs 25/100).
display
In the "display" category, the Samsung Galaxy M21 and the Xiaomi 18 Fold are nearly equal (83/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 18 Fold significantly outperforms the Samsung Galaxy M21 (85/100 vs 36/100).
battery
In the "battery" category, the Xiaomi 18 Fold notably outperforms the Samsung Galaxy M21 (75/100 vs 51/100).
portability
In the "portability" category, the Xiaomi 18 Fold is a bit better (64/100 vs 57/100).
Frequently asked questions
Which is better: the Samsung Galaxy M21 or the Xiaomi 18 Fold?
The Xiaomi 18 Fold significantly outperforms the Samsung Galaxy M21 by 44 points (86/100 vs 42/100).
What is the rating of the Samsung Galaxy M21 and the Xiaomi 18 Fold?
The Samsung Galaxy M21 has a MobileRank rating of 42/100, the Xiaomi 18 Fold — 86/100.
Which has the better camera: the Samsung Galaxy M21 or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on camera score (85/100 vs 36/100).
Which is more powerful: the Samsung Galaxy M21 or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on performance (99/100 vs 25/100).
Should you choose the Samsung Galaxy M21 over the Xiaomi 18 Fold?
The Xiaomi 18 Fold is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.