Realme 5s vs Redmi K90 Ultra
The Realme 5s (2019) runs on the Qualcomm Snapdragon 665, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 32/100 (a 41-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 48 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 329,457); the Redmi K90 Ultra has NFC for contactless payments, the Realme 5s doesn't; the Realme 5s is noticeably lighter (198g vs 227g).
Profile comparison
Category scores
Realme 5s
Redmi K90 Ultra
What makes Realme 5s better?
- Lighter: 198g vs 227g
- Better portability (46/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 329457
- Better Geekbench Single: 3013 vs 321
- Better Geekbench Multi: 9287 vs 1128
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 10W
- Better main camera: 50MP vs 48MP
- Higher performance (92/100 vs 24/100)
- Better camera (37/100 vs 33/100)
- Longer battery life (78/100 vs 43/100)
- Better display (94/100 vs 39/100)
Comparison verdict
Comparing the Realme 5s vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 41 points higher (73/100 vs 32/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 24/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 43/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Realme 5s (92/100 vs 24/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Realme 5s (94/100 vs 39/100). In the "camera" category, the Redmi K90 Ultra and the Realme 5s are nearly equal (37/100 vs 33/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Realme 5s (78/100 vs 43/100). In the "portability" category, the Realme 5s is a bit better (46/100 vs 40/100).
Specs comparison
| Specification | Realme 5s | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 665 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 329457 | 3233695 | |
| Geekbench Single | 321 | 3013 | |
| Geekbench Multi | 1128 | 9287 | |
| Display | 6.5" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1600 | 1280x2772 | |
| Refresh rate | — | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 10W | 100W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 13 MP | 20 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB | |
| OS | Android 9.0 (Pie); ColorOS 6 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 164.4×75.6×9.3 mm | 162.9×77.9×8.2 mm | |
| Weight | 198 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Realme 5s
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 13MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Realme 5s
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Realme 5s
- 5000 mAh
- Wired: 10W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Realme 5s and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Realme 5s by 89.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme 5s
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Realme 5s (92/100 vs 24/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Realme 5s (94/100 vs 39/100).
camera
In the "camera" category, the Redmi K90 Ultra and the Realme 5s are nearly equal (37/100 vs 33/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Realme 5s (78/100 vs 43/100).
portability
In the "portability" category, the Realme 5s is a bit better (46/100 vs 40/100).
Frequently asked questions
Which is better: the Realme 5s or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Realme 5s by 41 points (73/100 vs 32/100).
What is the rating of the Realme 5s and the Redmi K90 Ultra?
The Realme 5s has a MobileRank rating of 32/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Realme 5s or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 24/100).
Should you choose the Realme 5s over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.