Redmi K100 Pro vs Samsung Galaxy A21s
The Redmi K100 Pro (2026) runs on the Snapdragon 8 Elite Gen 5, while the Samsung Galaxy A21s (2020) runs on the Exynos 850. By overall MobileRank rating, the Redmi K100 Pro leads — 91/100 vs 29/100 (a 62-point difference). Key differences: the Redmi K100 Pro has the bigger battery (9000 mAh vs 5000); the main camera is 200 MP vs 48 MP; the Redmi K100 Pro is faster in AnTuTu (3,531,378 vs 234,339).
Profile comparison
Category scores
Redmi K100 Pro
Samsung Galaxy A21s
What makes Redmi K100 Pro better?
- Higher AnTuTu: 3531378 vs 234339
- Better Geekbench Single: 3639 vs 300
- Better Geekbench Multi: 11047 vs 836
- Bigger battery: 9000 vs 5000 mAh
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (96/100 vs 16/100)
- Better camera (90/100 vs 30/100)
- Longer battery life (95/100 vs 52/100)
- Better display (81/100 vs 32/100)
What makes Samsung Galaxy A21s better?
- Overall rating 29/100
Comparison verdict
Comparing the Redmi K100 Pro vs the Samsung Galaxy A21s, the Redmi K100 Pro scores 62 points higher (91/100 vs 29/100). In the "performance" category, the Redmi K100 Pro leads (96/100 vs 16/100). In the "camera" category, the Redmi K100 Pro leads (90/100 vs 30/100). In the "battery" category, the Redmi K100 Pro leads (95/100 vs 52/100). In the "performance" category, the Redmi K100 Pro significantly outperforms the Samsung Galaxy A21s (96/100 vs 16/100). In the "display" category, the Redmi K100 Pro significantly outperforms the Samsung Galaxy A21s (81/100 vs 32/100). In the "camera" category, the Redmi K100 Pro significantly outperforms the Samsung Galaxy A21s (90/100 vs 30/100). In the "battery" category, the Redmi K100 Pro significantly outperforms the Samsung Galaxy A21s (95/100 vs 52/100).
Specs comparison
| Specification | Redmi K100 Pro | Samsung Galaxy A21s | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Exynos 850 | |
| AnTuTu | 3531378 | 234339 | |
| Geekbench Single | 3639 | 300 | |
| Geekbench Multi | 11047 | 836 | |
| Display | 6.9" AMOLED | 6.5" IPS LCD | |
| Resolution | 1200x2608 | — | |
| Refresh rate | 120 Hz | 60 Hz | |
| Battery | 9000 mAh | 5000 mAh | |
| Charging | 100W | — | |
| Wireless charging | 50W | 0W | |
| Main camera | 200 MP | 48 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 13 MP | |
| RAM | 12GB / 16GB | 3GB / 4GB / 6GB | |
| Storage | 256GB / 512GB / 1TB | 32GB / 64GB | |
| OS | Android 16 | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | — | 163.7×75.3×8.9 mm | |
| Weight | — | 192 g | |
| Launch price | — | $215 |
Camera comparison
Redmi K100 Pro
- Main: 200MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy A21s
- Main: 48MP
- Front: 13MP
Display comparison
Redmi K100 Pro
- 6.9" AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Samsung Galaxy A21s
- 6.5" IPS LCD
- Refresh rate: 60 Hz
Battery and charging
Redmi K100 Pro
- 9000 mAh
- Wired: 100W
- Wireless: 50W
Samsung Galaxy A21s
- 5000 mAh
- No wireless charging
Overall performance score
We compared Redmi K100 Pro and Samsung Galaxy A21s, covering their specs and all relevant benchmarks.
Redmi K100 Pro leads Samsung Galaxy A21s by 1407.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi K100 Pro
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K100 Pro significantly outperforms the Samsung Galaxy A21s (96/100 vs 16/100).
display
In the "display" category, the Redmi K100 Pro significantly outperforms the Samsung Galaxy A21s (81/100 vs 32/100).
camera
In the "camera" category, the Redmi K100 Pro significantly outperforms the Samsung Galaxy A21s (90/100 vs 30/100).
battery
In the "battery" category, the Redmi K100 Pro significantly outperforms the Samsung Galaxy A21s (95/100 vs 52/100).
Frequently asked questions
Which is better: the Redmi K100 Pro or the Samsung Galaxy A21s?
The Redmi K100 Pro significantly outperforms the Samsung Galaxy A21s by 62 points (91/100 vs 29/100).
What is the rating of the Redmi K100 Pro and the Samsung Galaxy A21s?
The Redmi K100 Pro has a MobileRank rating of 91/100, the Samsung Galaxy A21s — 29/100.
Which has the better camera: the Redmi K100 Pro or the Samsung Galaxy A21s?
The Redmi K100 Pro leads on camera score (90/100 vs 30/100).
Which is more powerful: the Redmi K100 Pro or the Samsung Galaxy A21s?
The Redmi K100 Pro leads on performance (96/100 vs 16/100).
Should you choose the Redmi K100 Pro over the Samsung Galaxy A21s?
The Redmi K100 Pro is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.