Redmi K90 Ultra vs Xiaomi Black Shark 5 RS
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi Black Shark 5 RS (2022) runs on the Qualcomm Snapdragon 888/888+ 5G. By overall MobileRank rating, the Redmi K90 Ultra leads — 61/100 vs 34/100 (a 27-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 Redmi K90 Ultra is thinner (8.2mm vs 9.9mm).
Redmi K90 Ultra
Xiaomi Black Shark 5 RS
- Bigger battery: 8550 vs 4500 mAh
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (65/100 vs 0/100)
- Longer battery life (77/100 vs 49/100)
- Better value for money (81/100 vs 55/100)
- Faster charging: 120W vs 100W
- Better main camera: 64MP vs 50MP
- Lighter: 220g vs 227g
- Better camera (43/100 vs 32/100)
- Better design/ergonomics (25/100 vs 16/100)
Comparing the Redmi K90 Ultra vs the Xiaomi Black Shark 5 RS, the Redmi K90 Ultra scores 27 points higher (61/100 vs 34/100). In the "performance" category, the Redmi K90 Ultra leads (65/100 vs 0/100). In the "camera" category, the Xiaomi Black Shark 5 RS leads (43/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra leads (77/100 vs 49/100). 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 Black Shark 5 RS (65/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Xiaomi Black Shark 5 RS is a bit better (43/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Xiaomi Black Shark 5 RS (77/100 vs 49/100). In the "design" category, the Xiaomi Black Shark 5 RS is a bit better (25/100 vs 16/100). In the "value for money" category, the Redmi K90 Ultra notably outperforms the Xiaomi Black Shark 5 RS (81/100 vs 55/100).
| Specification | Redmi K90 Ultra | Xiaomi Black Shark 5 RS | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 888/888+ 5G | |
| AnTuTu | 2760000 | — | |
| Geekbench Single | 3050 | — | |
| Geekbench Multi | 9300 | — | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1280x2772 | 1080x2400 | |
| Refresh rate | 165 Hz | 144 Hz | |
| Battery | 8550 mAh | 4500 mAh | |
| Charging | 100W | 120W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 5 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 256GB | |
| OS | Android 16 | Android 12, Joy UI 12.8 | |
| Brightness (peak) | 3500 nits | 1300 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 163.7×76.2×9.9 mm | |
| Weight | 227 g | 220 g | |
| Price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Xiaomi Black Shark 5 RS
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Telephoto: 5MP
- Front: 20MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Xiaomi Black Shark 5 RS
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Xiaomi Black Shark 5 RS
- 4500 mAh
- Wired: 120W
- No wireless charging
Xiaomi Black Shark 5 RS
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Xiaomi Black Shark 5 RS (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 Black Shark 5 RS is a bit better (43/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Xiaomi Black Shark 5 RS (77/100 vs 49/100).
design
In the "design" category, the Xiaomi Black Shark 5 RS is a bit better (25/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Ultra notably outperforms the Xiaomi Black Shark 5 RS (81/100 vs 55/100).
Which is better: the Redmi K90 Ultra or the Xiaomi Black Shark 5 RS?
The Redmi K90 Ultra significantly outperforms the Xiaomi Black Shark 5 RS by 27 points (61/100 vs 34/100).
What is the rating of the Redmi K90 Ultra and the Xiaomi Black Shark 5 RS?
The Redmi K90 Ultra has a MobileRank rating of 61/100, the Xiaomi Black Shark 5 RS — 34/100.
Which has the better camera: the Redmi K90 Ultra or the Xiaomi Black Shark 5 RS?
The Xiaomi Black Shark 5 RS leads on camera score (43/100 vs 32/100).
Which is more powerful: the Redmi K90 Ultra or the Xiaomi Black Shark 5 RS?
The Redmi K90 Ultra leads on performance (65/100 vs 0/100).
Should you choose the Redmi K90 Ultra over the Xiaomi Black Shark 5 RS?
The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers. The Xiaomi Black Shark 5 RS is a better fit for everyday use.