Redmi K90 vs Xiaomi Black Shark GS3 Ultra
Comparing the Redmi K90 (2025) and the Xiaomi Black Shark GS3 Ultra (2025) on specs and benchmarks. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 5/100 (a 63-point difference). Key differences: the Redmi K90 has NFC for contactless payments, the Xiaomi Black Shark GS3 Ultra doesn't.
Redmi K90
Xiaomi Black Shark GS3 Ultra
- Higher performance (69/100 vs 0/100)
- Better camera (53/100 vs 0/100)
- Longer battery life (71/100 vs 0/100)
- Better display (100/100 vs 0/100)
- Better value for money (82/100 vs 55/100)
- Better design/ergonomics (50/100 vs 42/100)
Comparing the Redmi K90 vs the Xiaomi Black Shark GS3 Ultra, the Redmi K90 scores 63 points higher (68/100 vs 5/100). In the "performance" category, the Redmi K90 leads (69/100 vs 0/100). In the "camera" category, the Redmi K90 leads (53/100 vs 0/100). In the "battery" category, the Redmi K90 leads (71/100 vs 0/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 55/100). In the "performance" category, the Redmi K90 significantly outperforms the Xiaomi Black Shark GS3 Ultra (69/100 vs 0/100). In the "display" category, the Redmi K90 significantly outperforms the Xiaomi Black Shark GS3 Ultra (100/100 vs 0/100). In the "camera" category, the Redmi K90 significantly outperforms the Xiaomi Black Shark GS3 Ultra (53/100 vs 0/100). In the "battery" category, the Redmi K90 significantly outperforms the Xiaomi Black Shark GS3 Ultra (71/100 vs 0/100). In the "design" category, the Xiaomi Black Shark GS3 Ultra is a bit better (50/100 vs 42/100). In the "value for money" category, the Redmi K90 notably outperforms the Xiaomi Black Shark GS3 Ultra (82/100 vs 55/100).
| Specification | Redmi K90 | Xiaomi Black Shark GS3 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | — | |
| AnTuTu | 3088357 | — | |
| Geekbench Single | 3050 | — | |
| Geekbench Multi | 9300 | — | |
| Display | 6.6" AMOLED | 1.4" AMOLED | |
| Resolution | 2510x1156 | 466x466 | |
| Refresh rate | 120 Hz | — | |
| Battery | 7100 mAh | — | |
| Charging | 100W | — | |
| Main camera | 50 MP | — | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 50 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 | IP68 | |
| Dimensions | 157.5×75.3×8.0 mm | — | |
| Weight | 206 g | — | |
| Price | $401 | — |
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Xiaomi Black Shark GS3 Ultra
- Main: —
- Front: —
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Xiaomi Black Shark GS3 Ultra
- 1.4" AMOLED
- Resolution: 466x466
- Refresh rate: —
Redmi K90
- 7100 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 significantly outperforms the Xiaomi Black Shark GS3 Ultra (69/100 vs 0/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Xiaomi Black Shark GS3 Ultra (100/100 vs 0/100).
camera
In the "camera" category, the Redmi K90 significantly outperforms the Xiaomi Black Shark GS3 Ultra (53/100 vs 0/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Xiaomi Black Shark GS3 Ultra (71/100 vs 0/100).
design
In the "design" category, the Xiaomi Black Shark GS3 Ultra is a bit better (50/100 vs 42/100).
value for money
In the "value for money" category, the Redmi K90 notably outperforms the Xiaomi Black Shark GS3 Ultra (82/100 vs 55/100).
Which is better: the Redmi K90 or the Xiaomi Black Shark GS3 Ultra?
The Redmi K90 significantly outperforms the Xiaomi Black Shark GS3 Ultra by 63 points (68/100 vs 5/100).
What is the rating of the Redmi K90 and the Xiaomi Black Shark GS3 Ultra?
The Redmi K90 has a MobileRank rating of 68/100, the Xiaomi Black Shark GS3 Ultra — 5/100.
Which has the better camera: the Redmi K90 or the Xiaomi Black Shark GS3 Ultra?
The Redmi K90 leads on camera score (53/100 vs 0/100).
Which is more powerful: the Redmi K90 or the Xiaomi Black Shark GS3 Ultra?
The Redmi K90 leads on performance (69/100 vs 0/100).
Should you choose the Redmi K90 over the Xiaomi Black Shark GS3 Ultra?
The Redmi K90 is a better fit for active users, budget-conscious buyers. The Xiaomi Black Shark GS3 Ultra is a better fit for everyday use.