Redmi K90 Ultra vs Xiaomi Black Shark GS3 Ultra
Comparing the Redmi K90 Ultra (2026) and the Xiaomi Black Shark GS3 Ultra (2025) on specs and benchmarks. By overall MobileRank rating, the Redmi K90 Ultra leads — 61/100 vs 5/100 (a 56-point difference). Key differences: the Redmi K90 Ultra has NFC for contactless payments, the Xiaomi Black Shark GS3 Ultra doesn't.
Redmi K90 Ultra
Xiaomi Black Shark GS3 Ultra
- Higher performance (65/100 vs 0/100)
- Better camera (32/100 vs 0/100)
- Longer battery life (77/100 vs 0/100)
- Better display (100/100 vs 0/100)
- Better value for money (81/100 vs 55/100)
- Better design/ergonomics (50/100 vs 16/100)
Comparing the Redmi K90 Ultra vs the Xiaomi Black Shark GS3 Ultra, the Redmi K90 Ultra scores 56 points higher (61/100 vs 5/100). In the "performance" category, the Redmi K90 Ultra leads (65/100 vs 0/100). In the "camera" category, the Redmi K90 Ultra leads (32/100 vs 0/100). In the "battery" category, the Redmi K90 Ultra leads (77/100 vs 0/100). 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 GS3 Ultra (65/100 vs 0/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Xiaomi Black Shark GS3 Ultra (100/100 vs 0/100). In the "camera" category, the Redmi K90 Ultra significantly outperforms the Xiaomi Black Shark GS3 Ultra (32/100 vs 0/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Xiaomi Black Shark GS3 Ultra (77/100 vs 0/100). In the "design" category, the Xiaomi Black Shark GS3 Ultra significantly outperforms the Redmi K90 Ultra (50/100 vs 16/100). In the "value for money" category, the Redmi K90 Ultra notably outperforms the Xiaomi Black Shark GS3 Ultra (81/100 vs 55/100).
| Specification | Redmi K90 Ultra | Xiaomi Black Shark GS3 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | — | |
| AnTuTu | 2760000 | — | |
| Geekbench Single | 3050 | — | |
| Geekbench Multi | 9300 | — | |
| Display | 6.8" AMOLED | 1.4" AMOLED | |
| Resolution | 1280x2772 | 466x466 | |
| Refresh rate | 165 Hz | — | |
| Battery | 8550 mAh | — | |
| Charging | 100W | — | |
| Main camera | 50 MP | — | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | — | |
| RAM | 12GB / 16GB | — | |
| Storage | 256GB / 512GB | — | |
| OS | Android 16 | — | |
| Brightness (peak) | 3500 nits | 1000 nits | |
| NFC | yes | no | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | — | |
| Weight | 227 g | — | |
| Price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Xiaomi Black Shark GS3 Ultra
- Main: —
- Front: —
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Xiaomi Black Shark GS3 Ultra
- 1.4" AMOLED
- Resolution: 466x466
- Refresh rate: —
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Xiaomi Black Shark GS3 Ultra
- —
- No wireless charging
Xiaomi Black Shark GS3 Ultra
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Xiaomi Black Shark GS3 Ultra (65/100 vs 0/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Xiaomi Black Shark GS3 Ultra (100/100 vs 0/100).
camera
In the "camera" category, the Redmi K90 Ultra significantly outperforms the Xiaomi Black Shark GS3 Ultra (32/100 vs 0/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Xiaomi Black Shark GS3 Ultra (77/100 vs 0/100).
design
In the "design" category, the Xiaomi Black Shark GS3 Ultra significantly outperforms the Redmi K90 Ultra (50/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Ultra notably outperforms the Xiaomi Black Shark GS3 Ultra (81/100 vs 55/100).
Which is better: the Redmi K90 Ultra or the Xiaomi Black Shark GS3 Ultra?
The Redmi K90 Ultra significantly outperforms the Xiaomi Black Shark GS3 Ultra by 56 points (61/100 vs 5/100).
What is the rating of the Redmi K90 Ultra and the Xiaomi Black Shark GS3 Ultra?
The Redmi K90 Ultra has a MobileRank rating of 61/100, the Xiaomi Black Shark GS3 Ultra — 5/100.
Which has the better camera: the Redmi K90 Ultra or the Xiaomi Black Shark GS3 Ultra?
The Redmi K90 Ultra leads on camera score (32/100 vs 0/100).
Which is more powerful: the Redmi K90 Ultra or the Xiaomi Black Shark GS3 Ultra?
The Redmi K90 Ultra leads on performance (65/100 vs 0/100).
Should you choose the Redmi K90 Ultra over the Xiaomi Black Shark GS3 Ultra?
The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers. The Xiaomi Black Shark GS3 Ultra is a better fit for everyday use.