Redmi K90 Ultra vs Xiaomi Civi 1S
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi Civi 1S (2022) runs on the Qualcomm Snapdragon 778G+ 5G. By overall MobileRank rating, the Redmi K90 Ultra leads — 61/100 vs 35/100 (a 26-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4500); the main camera is 50 MP vs 64 MP; the Xiaomi Civi 1S is noticeably lighter (166g vs 227g).
Redmi K90 Ultra
Xiaomi Civi 1S
- Bigger battery: 8550 vs 4500 mAh
- Faster charging: 100W vs 55W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (65/100 vs 0/100)
- Longer battery life (77/100 vs 32/100)
- Better value for money (81/100 vs 55/100)
- Better main camera: 64MP vs 50MP
- Lighter: 166g vs 227g
- Better camera (46/100 vs 32/100)
- Better design/ergonomics (92/100 vs 16/100)
Comparing the Redmi K90 Ultra vs the Xiaomi Civi 1S, the Redmi K90 Ultra scores 26 points higher (61/100 vs 35/100). In the "performance" category, the Redmi K90 Ultra leads (65/100 vs 0/100). In the "camera" category, the Xiaomi Civi 1S leads (46/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra leads (77/100 vs 32/100). In the "value for money" category, the Redmi K90 Ultra leads (81/100 vs 55/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Xiaomi Civi 1S (65/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Xiaomi Civi 1S is a bit better (46/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Xiaomi Civi 1S (77/100 vs 32/100). In the "design" category, the Xiaomi Civi 1S significantly outperforms the Redmi K90 Ultra (92/100 vs 16/100). In the "value for money" category, the Redmi K90 Ultra notably outperforms the Xiaomi Civi 1S (81/100 vs 55/100).
| Specification | Redmi K90 Ultra | Xiaomi Civi 1S | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 778G+ 5G | |
| AnTuTu | 2760000 | — | |
| Geekbench Single | 3050 | — | |
| Geekbench Multi | 9300 | — | |
| Display | 6.8" AMOLED | 6.5" OLED | |
| Resolution | 1280x2772 | 1080x2400 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 4500 mAh | |
| Charging | 100W | 55W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 12, MIUI 13 | |
| Brightness (peak) | 3500 nits | 950 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP53 | |
| Dimensions | 162.9×77.9×8.2 mm | 158.3×71.5×7.0 mm | |
| Weight | 227 g | 166 g | |
| Price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Xiaomi Civi 1S
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Front: 32MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Xiaomi Civi 1S
- 6.5" OLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Xiaomi Civi 1S
- 4500 mAh
- Wired: 55W
- No wireless charging
Xiaomi Civi 1S
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Xiaomi Civi 1S (65/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Xiaomi Civi 1S is a bit better (46/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Xiaomi Civi 1S (77/100 vs 32/100).
design
In the "design" category, the Xiaomi Civi 1S significantly outperforms the Redmi K90 Ultra (92/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Ultra notably outperforms the Xiaomi Civi 1S (81/100 vs 55/100).
Which is better: the Redmi K90 Ultra or the Xiaomi Civi 1S?
The Redmi K90 Ultra significantly outperforms the Xiaomi Civi 1S by 26 points (61/100 vs 35/100).
What is the rating of the Redmi K90 Ultra and the Xiaomi Civi 1S?
The Redmi K90 Ultra has a MobileRank rating of 61/100, the Xiaomi Civi 1S — 35/100.
Which has the better camera: the Redmi K90 Ultra or the Xiaomi Civi 1S?
The Xiaomi Civi 1S leads on camera score (46/100 vs 32/100).
Which is more powerful: the Redmi K90 Ultra or the Xiaomi Civi 1S?
The Redmi K90 Ultra leads on performance (65/100 vs 0/100).
Should you choose the Redmi K90 Ultra over the Xiaomi Civi 1S?
The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers. The Xiaomi Civi 1S is a better fit for everyday use.