Redmi 13C 4G vs Redmi K90 Ultra
The Redmi 13C 4G (2023) runs on the MediaTek Helio G99, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $130 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 75/100 vs 39/100 (a 36-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 552,286); the Redmi K90 Ultra has NFC for contactless payments, the Redmi 13C 4G doesn't.
Redmi 13C 4G
Redmi K90 Ultra
- Cheaper: $130 vs $420
- Overall rating 39/100
- Higher AnTuTu: 3119308 vs 552286
- Better Geekbench Single: 3041 vs 727
- Better Geekbench Multi: 9494 vs 2047
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 10W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 43/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (92/100 vs 43/100)
- Better display (94/100 vs 44/100)
- Better value for money (86/100 vs 58/100)
Comparing the Redmi 13C 4G vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 36 points higher (75/100 vs 39/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 43/100). In the "battery" category, the Redmi K90 Ultra leads (92/100 vs 43/100). In the "value for money" category, the Redmi K90 Ultra leads (86/100 vs 58/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi 13C 4G (92/100 vs 43/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi 13C 4G (94/100 vs 44/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi 13C 4G (92/100 vs 43/100). In the "value for money" category, the Redmi K90 Ultra notably outperforms the Redmi 13C 4G (86/100 vs 58/100).
| Specification | Redmi 13C 4G | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G99 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 552286 | 3119308 | |
| Geekbench Single | 727 | 3041 | |
| Geekbench Multi | 2047 | 9494 | |
| Display | 6.7" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1650 | 1280x2772 | |
| Refresh rate | 90 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 10W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 12, MIUI 14 | Android 16 | |
| Brightness (peak) | 600 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | — | 162.9×77.9×8.2 mm | |
| Weight | — | 227 g | |
| Price | $130 | $420 |
Redmi 13C 4G
- Main: 50MP f/f/1.8
- Front: 5MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi 13C 4G
- 6.7" IPS LCD
- Resolution: 720x1650
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi 13C 4G
- 5000 mAh
- Wired: 10W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- Wireless charging: no data
We compared Redmi 13C 4G and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi 13C 4G by 82.3% in our overall performance rating.
Price difference: $290. Redmi 13C 4G is cheaper by $290.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi 13C 4G (92/100 vs 43/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi 13C 4G (94/100 vs 44/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi 13C 4G (92/100 vs 43/100).
value for money
In the "value for money" category, the Redmi K90 Ultra notably outperforms the Redmi 13C 4G (86/100 vs 58/100).
Which is better: the Redmi 13C 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Redmi 13C 4G by 36 points (75/100 vs 39/100).
What is the rating of the Redmi 13C 4G and the Redmi K90 Ultra?
The Redmi 13C 4G has a MobileRank rating of 39/100, the Redmi K90 Ultra — 75/100.
Which has the better camera: the Redmi 13C 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Redmi 13C 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 43/100).
Should you choose the Redmi 13C 4G over the Redmi K90 Ultra?
The Redmi 13C 4G is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.