Redmi K90 Ultra vs Sony Xperia 5 IV
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Sony Xperia 5 IV (2022) runs on the Qualcomm Snapdragon 8 Gen 1. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 67/100 (a 6-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 50 MP vs 12 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 1,242,193); the Sony Xperia 5 IV is noticeably lighter (172g vs 227g).
Redmi K90 Ultra
Sony Xperia 5 IV
- Higher AnTuTu: 3119308 vs 1242193
- Better Geekbench Single: 3041 vs 1675
- Better Geekbench Multi: 9494 vs 4453
- Bigger battery: 8550 vs 5000 mAh
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 68/100)
- Longer battery life (78/100 vs 66/100)
- Better display (94/100 vs 84/100)
- Lighter: 172g vs 227g
- Better camera (56/100 vs 37/100)
- Better portability (74/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Sony Xperia 5 IV, the Redmi K90 Ultra scores 6 points higher (73/100 vs 67/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 68/100). In the "camera" category, the Sony Xperia 5 IV leads (56/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 66/100). In the "performance" category, the Redmi K90 Ultra notably outperforms the Sony Xperia 5 IV (92/100 vs 68/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100). In the "camera" category, the Sony Xperia 5 IV notably outperforms the Redmi K90 Ultra (56/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100). In the "portability" category, the Sony Xperia 5 IV significantly outperforms the Redmi K90 Ultra (74/100 vs 40/100).
| Specification | Redmi K90 Ultra | Sony Xperia 5 IV | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 1 | |
| AnTuTu | 3119308 | 1242193 | |
| Geekbench Single | 3041 | 1675 | |
| Geekbench Multi | 9494 | 4453 | |
| Display | 6.8" AMOLED | 6.1" OLED | |
| Resolution | 1280x2772 | 1080x2520 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | — | |
| DXOMark (camera) | — | 119 | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 0 MP | 12 MP | |
| Front camera | 20 MP | 12 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 12, upgradable to Android 13 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP65 | |
| Dimensions | 162.9×77.9×8.2 mm | 156.0×67.0×8.2 mm | |
| Weight | 227 g | 172 g | |
| Launch price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Sony Xperia 5 IV
- Main: 12MP f/f/1.7
- Ultrawide: 12MP
- Telephoto: 12MP
- Front: 12MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Sony Xperia 5 IV
- 6.1" OLED
- Resolution: 1080x2520
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Sony Xperia 5 IV
- 5000 mAh
- Wireless: supported, wattage unknown
We compared Redmi K90 Ultra and Sony Xperia 5 IV, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Sony Xperia 5 IV by 151.1% in our overall performance rating.
Sony Xperia 5 IV
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Sony Xperia 5 IV (92/100 vs 68/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100).
camera
In the "camera" category, the Sony Xperia 5 IV notably outperforms the Redmi K90 Ultra (56/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100).
portability
In the "portability" category, the Sony Xperia 5 IV significantly outperforms the Redmi K90 Ultra (74/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Sony Xperia 5 IV?
The Redmi K90 Ultra edges out the Sony Xperia 5 IV by just 6 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Ultra and the Sony Xperia 5 IV?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Sony Xperia 5 IV — 67/100.
Which has the better camera: the Redmi K90 Ultra or the Sony Xperia 5 IV?
The Sony Xperia 5 IV leads on camera score (56/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Sony Xperia 5 IV?
The Redmi K90 Ultra leads on performance (92/100 vs 68/100).
Should you choose the Redmi K90 Ultra over the Sony Xperia 5 IV?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Sony Xperia 5 IV is a better fit for active users.