Lava Shark vs Redmi K90 Ultra
The Lava Shark (2025) runs on the Unisoc T765, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $89 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 33/100 (a 40-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 13 MP vs 50 MP; the Redmi K90 Ultra has NFC for contactless payments, the Lava Shark doesn't.
Profile comparison
Category scores
Lava Shark
Redmi K90 Ultra
What makes Lava Shark better?
- Cheaper at launch: $89 vs $420
- Overall rating 33/100
What makes Redmi K90 Ultra better?
- Better Geekbench Single: 3013 vs 750
- Better Geekbench Multi: 9287 vs 2200
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 40/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 43/100)
- Better display (94/100 vs 43/100)
Comparison verdict
Comparing the Lava Shark vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 40 points higher (73/100 vs 33/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 40/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 43/100). Value score: Lava Shark — 60/100, Redmi K90 Ultra — 72/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Lava Shark (92/100 vs 40/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Lava Shark (94/100 vs 43/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Lava Shark (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Lava Shark (78/100 vs 43/100).
Specs comparison
| Specification | Lava Shark | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Unisoc T765 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | — | 3233695 | |
| Geekbench Single | 750 | 3013 | |
| Geekbench Multi | 2200 | 9287 | |
| Display | 6.8" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1612 | 1280x2772 | |
| Refresh rate | 90 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 18W | 100W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB | 256GB / 512GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | no | yes | |
| Protection | IP54 | IP68/IP69 | |
| Dimensions | — | 162.9×77.9×8.2 mm | |
| Weight | — | 227 g | |
| Launch price | $89 | $420 |
Camera comparison
Lava Shark
- Main: 13MP
- Front: 5MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Lava Shark
- 6.8" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Lava Shark
- 5000 mAh
- Wired: 18W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Benchmarks
Launch prices and where to check today's
Launch price difference: $331. Lava Shark was $331 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Lava Shark (92/100 vs 40/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Lava Shark (94/100 vs 43/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Lava Shark (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Lava Shark (78/100 vs 43/100).
Frequently asked questions
Which is better: the Lava Shark or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Lava Shark by 40 points (73/100 vs 33/100).
What is the rating of the Lava Shark and the Redmi K90 Ultra?
The Lava Shark has a MobileRank rating of 33/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Lava Shark or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the Lava Shark or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 40/100).
Should you choose the Lava Shark over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.