Redmi K90 Ultra vs Sony Xperia 1
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Sony Xperia 1 (2019) runs on the Qualcomm Snapdragon 855. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 55/100 (a 18-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 3330); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 891,237); the Sony Xperia 1 is noticeably lighter (178g vs 227g).
Redmi K90 Ultra
Sony Xperia 1
- Higher AnTuTu: 3119308 vs 891237
- Better Geekbench Single: 3041 vs 968
- Better Geekbench Multi: 9494 vs 2731
- Bigger battery: 8550 vs 3330 mAh
- Faster charging: 100W vs 18W
- Higher performance (92/100 vs 55/100)
- Longer battery life (78/100 vs 12/100)
- Lighter: 178g vs 227g
- Better display (100/100 vs 94/100)
- Better portability (70/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Sony Xperia 1, the Redmi K90 Ultra scores 18 points higher (73/100 vs 55/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 55/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 12/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Sony Xperia 1 (92/100 vs 55/100). In the "display" category, the Sony Xperia 1 is a bit better (100/100 vs 94/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Sony Xperia 1 (78/100 vs 12/100). In the "portability" category, the Sony Xperia 1 significantly outperforms the Redmi K90 Ultra (70/100 vs 40/100).
| Specification | Redmi K90 Ultra | Sony Xperia 1 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 855 | |
| AnTuTu | 3119308 | 891237 | |
| Geekbench Single | 3041 | 968 | |
| Geekbench Multi | 9494 | 2731 | |
| Display | 6.8" AMOLED | 6.5" OLED | |
| Resolution | 1280x2772 | 1644x3840 | |
| Refresh rate | 165 Hz | — | |
| Battery | 8550 mAh | 3330 mAh | |
| Charging | 100W | 18W | |
| Main camera | 50 MP | — | |
| Ultrawide | 8 MP | 12 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 6GB | |
| Storage | 256GB / 512GB | 128GB | |
| OS | Android 16 | Android 9.0 (Pie) | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP65 | |
| Dimensions | 162.9×77.9×8.2 mm | 167.0×72.0×8.2 mm | |
| Weight | 227 g | 178 g | |
| Launch price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Sony Xperia 1
- Main: —
- Ultrawide: 12MP
- Front: 8MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Sony Xperia 1
- 6.5" OLED
- Resolution: 1644x3840
- Refresh rate: —
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Sony Xperia 1
- 3330 mAh
- Wired: 18W
- No wireless charging
We compared Redmi K90 Ultra and Sony Xperia 1, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Sony Xperia 1 by 250.0% in our overall performance rating.
Sony Xperia 1
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Sony Xperia 1 (92/100 vs 55/100).
display
In the "display" category, the Sony Xperia 1 is a bit better (100/100 vs 94/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Sony Xperia 1 (78/100 vs 12/100).
portability
In the "portability" category, the Sony Xperia 1 significantly outperforms the Redmi K90 Ultra (70/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Sony Xperia 1?
The Redmi K90 Ultra is noticeably better than the Sony Xperia 1 — the overall rating gap is 18 points.
What is the rating of the Redmi K90 Ultra and the Sony Xperia 1?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Sony Xperia 1 — 55/100.
Which is more powerful: the Redmi K90 Ultra or the Sony Xperia 1?
The Redmi K90 Ultra leads on performance (92/100 vs 55/100).
Should you choose the Redmi K90 Ultra over the Sony Xperia 1?
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 1 is a better fit for everyday use.