Lava Agni 4 vs Redmi K90 Ultra
The Lava Agni 4 (2025) runs on the MediaTek Dimensity 8350, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 61/100 (a 12-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,724,757); the Redmi K90 Ultra has NFC for contactless payments, the Lava Agni 4 doesn't; the Lava Agni 4 is noticeably lighter (208g vs 227g).
Profile comparison
Category scores
Lava Agni 4
Redmi K90 Ultra
What makes Lava Agni 4 better?
- Lighter: 208g vs 227g
- Better camera (44/100 vs 37/100)
- Better portability (48/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1724757
- Better Geekbench Single: 3013 vs 1398
- Better Geekbench Multi: 9287 vs 4313
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 66W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 70/100)
- Longer battery life (78/100 vs 53/100)
- Better display (94/100 vs 83/100)
Comparison verdict
Comparing the Lava Agni 4 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 12 points higher (73/100 vs 61/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 70/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 53/100). In the "performance" category, the Redmi K90 Ultra notably outperforms the Lava Agni 4 (92/100 vs 70/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100). In the "camera" category, the Lava Agni 4 is a bit better (44/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Lava Agni 4 (78/100 vs 53/100). In the "portability" category, the Lava Agni 4 is a bit better (48/100 vs 40/100).
Specs comparison
| Specification | Lava Agni 4 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8350 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1724757 | 3233695 | |
| Geekbench Single | 1398 | 3013 | |
| Geekbench Multi | 4313 | 9287 | |
| Display | 6.7" AMOLED | 6.8" AMOLED | |
| Resolution | 1220x2712 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 66W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 50 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 2400 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP64 | IP68/IP69 | |
| Dimensions | 160.7×75.3×8.6 mm | 162.9×77.9×8.2 mm | |
| Weight | 208 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Lava Agni 4
- Main: 50MP
- Ultrawide: 8MP
- Front: 50MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Lava Agni 4
- 6.7" AMOLED
- Resolution: 1220x2712
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Lava Agni 4
- 5000 mAh
- Wired: 66W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Lava Agni 4 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Lava Agni 4 by 46.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Lava Agni 4
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Lava Agni 4 (92/100 vs 70/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100).
camera
In the "camera" category, the Lava Agni 4 is a bit better (44/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Lava Agni 4 (78/100 vs 53/100).
portability
In the "portability" category, the Lava Agni 4 is a bit better (48/100 vs 40/100).
Frequently asked questions
Which is better: the Lava Agni 4 or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Lava Agni 4 — the overall rating gap is 12 points.
What is the rating of the Lava Agni 4 and the Redmi K90 Ultra?
The Lava Agni 4 has a MobileRank rating of 61/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Lava Agni 4 or the Redmi K90 Ultra?
The Lava Agni 4 leads on camera score (44/100 vs 37/100).
Which is more powerful: the Lava Agni 4 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 70/100).
Should you choose the Lava Agni 4 over the Redmi K90 Ultra?
The Lava Agni 4 is a better fit for active users. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.