Redmi K90 vs Sony Xperia 1 III
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Sony Xperia 1 III (2021) runs on the Snapdragon 888; launch prices were $401 and $1299. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 60/100 (a 16-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 4500); the main camera is 50 MP vs 12 MP; the Redmi K90 is faster in AnTuTu (3,077,585 vs 1,232,200); the Sony Xperia 1 III is noticeably lighter (186g vs 206g).
Profile comparison
Category scores
Redmi K90
Sony Xperia 1 III
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 1232200
- Better Geekbench Single: 3013 vs 1500
- Better Geekbench Multi: 9287 vs 3537
- Bigger battery: 7100 vs 4500 mAh
- Faster charging: 100W vs 30W
- Better main camera: 50MP vs 12MP
- Cheaper at launch: $401 vs $1299
- Higher performance (91/100 vs 65/100)
- Better camera (58/100 vs 46/100)
- Longer battery life (72/100 vs 42/100)
What makes Sony Xperia 1 III better?
- Lighter: 186g vs 206g
- Better display (90/100 vs 82/100)
- Better portability (65/100 vs 55/100)
Comparison verdict
Comparing the Redmi K90 vs the Sony Xperia 1 III, the Redmi K90 scores 16 points higher (76/100 vs 60/100). In the "performance" category, the Redmi K90 leads (91/100 vs 65/100). In the "camera" category, the Redmi K90 leads (58/100 vs 46/100). In the "battery" category, the Redmi K90 leads (72/100 vs 42/100). Value score: Redmi K90 — 80/100, Sony Xperia 1 III — 30/100; 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 notably outperforms the Sony Xperia 1 III (91/100 vs 65/100). In the "display" category, the Sony Xperia 1 III is a bit better (90/100 vs 82/100). In the "camera" category, the Redmi K90 is a bit better (58/100 vs 46/100). In the "battery" category, the Redmi K90 significantly outperforms the Sony Xperia 1 III (72/100 vs 42/100). In the "portability" category, the Sony Xperia 1 III is a bit better (65/100 vs 55/100).
Specs comparison
| Specification | Redmi K90 | Sony Xperia 1 III | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Snapdragon 888 | |
| AnTuTu | 3077585 | 1232200 | |
| Geekbench Single | 3013 | 1500 | |
| Geekbench Multi | 9287 | 3537 | |
| Display | 6.6" AMOLED | 6.5" OLED | |
| Resolution | 2510x1156 | 1644x3840 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7100 mAh | 4500 mAh | |
| Charging | 100W | 30W | |
| Wireless charging | 0W | 11W | |
| DXOMark (camera) | — | 105 | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 50 MP | 12 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 11 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP65/IP68 | |
| Dimensions | 157.5×75.3×8.0 mm | 165.0×71.0×8.2 mm | |
| Weight | 206 g | 186 g | |
| Launch price | $401 | $1299 |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Sony Xperia 1 III
- Main: 12MP f/1.7
- Ultrawide: 12MP
- Telephoto: 12MP
- Front: 8MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Sony Xperia 1 III
- 6.5" OLED
- Resolution: 1644x3840
- Refresh rate: 120 Hz
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Sony Xperia 1 III
- 4500 mAh
- Wired: 30W
- Wireless: 11W
Overall performance score
We compared Redmi K90 and Sony Xperia 1 III, covering their specs and all relevant benchmarks.
Redmi K90 leads Sony Xperia 1 III by 149.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $898. Redmi K90 was $898 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 notably outperforms the Sony Xperia 1 III (91/100 vs 65/100).
display
In the "display" category, the Sony Xperia 1 III is a bit better (90/100 vs 82/100).
camera
In the "camera" category, the Redmi K90 is a bit better (58/100 vs 46/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Sony Xperia 1 III (72/100 vs 42/100).
portability
In the "portability" category, the Sony Xperia 1 III is a bit better (65/100 vs 55/100).
Frequently asked questions
Which is better: the Redmi K90 or the Sony Xperia 1 III?
The Redmi K90 is noticeably better than the Sony Xperia 1 III — the overall rating gap is 16 points.
What is the rating of the Redmi K90 and the Sony Xperia 1 III?
The Redmi K90 has a MobileRank rating of 76/100, the Sony Xperia 1 III — 60/100.
Which has the better camera: the Redmi K90 or the Sony Xperia 1 III?
The Redmi K90 leads on camera score (58/100 vs 46/100).
Which is more powerful: the Redmi K90 or the Sony Xperia 1 III?
The Redmi K90 leads on performance (91/100 vs 65/100).
Should you choose the Redmi K90 over the Sony Xperia 1 III?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Sony Xperia 1 III is a better fit for active users.