Redmi K90 vs Sony Xperia 5 IV
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Sony Xperia 5 IV (2022) runs on the Qualcomm Snapdragon 8 Gen 1; estimated prices are $401 and $799. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 44/100 (a 24-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the main camera is 50 MP vs 12 MP; the Redmi K90 is faster in AnTuTu (3,088,357 vs 1,242,193); the Sony Xperia 5 IV is noticeably lighter (172g vs 206g).
Redmi K90
Sony Xperia 5 IV
- Higher AnTuTu: 3088357 vs 1242193
- Better Geekbench Single: 3050 vs 1675
- Better Geekbench Multi: 9300 vs 4453
- Bigger battery: 7100 vs 5000 mAh
- Better main camera: 50MP vs 12MP
- Cheaper: $401 vs $799
- Higher performance (69/100 vs 18/100)
- Longer battery life (71/100 vs 36/100)
- Better value for money (82/100 vs 55/100)
- Lighter: 172g vs 206g
- Better camera (56/100 vs 53/100)
- Better design/ergonomics (85/100 vs 42/100)
Comparing the Redmi K90 vs the Sony Xperia 5 IV, the Redmi K90 scores 24 points higher (68/100 vs 44/100). In the "performance" category, the Redmi K90 leads (69/100 vs 18/100). In the "battery" category, the Redmi K90 leads (71/100 vs 36/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 55/100). In the "performance" category, the Redmi K90 significantly outperforms the Sony Xperia 5 IV (69/100 vs 18/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Sony Xperia 5 IV and the Redmi K90 are nearly equal (56/100 vs 53/100). In the "battery" category, the Redmi K90 significantly outperforms the Sony Xperia 5 IV (71/100 vs 36/100). In the "design" category, the Sony Xperia 5 IV significantly outperforms the Redmi K90 (85/100 vs 42/100). In the "value for money" category, the Redmi K90 notably outperforms the Sony Xperia 5 IV (82/100 vs 55/100).
| Specification | Redmi K90 | Sony Xperia 5 IV | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 1 | |
| AnTuTu | 3088357 | 1242193 | |
| Geekbench Single | 3050 | 1675 | |
| Geekbench Multi | 9300 | 4453 | |
| Display | 6.6" AMOLED | 6.1" OLED | |
| Resolution | 2510x1156 | 1080x2520 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7100 mAh | 5000 mAh | |
| Charging | 100W | — | |
| DXOMark (camera) | — | 119 | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 50 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 | IP65 | |
| Dimensions | 157.5×75.3×8.0 mm | 156.0×67.0×8.2 mm | |
| Weight | 206 g | 172 g | |
| Price | $401 | $799 |
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Sony Xperia 5 IV
- Main: 12MP f/f/1.7
- Ultrawide: 12MP
- Telephoto: 12MP
- Front: 12MP
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Sony Xperia 5 IV
- 6.1" OLED
- Resolution: 1080x2520
- Refresh rate: 120 Hz
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Sony Xperia 5 IV
- 5000 mAh
- No wireless charging
We compared Redmi K90 and Sony Xperia 5 IV, covering their specs and all relevant benchmarks.
Redmi K90 leads Sony Xperia 5 IV by 148.6% in our overall performance rating.
Price difference: $398. Redmi K90 is cheaper by $398.
performance
In the "performance" category, the Redmi K90 significantly outperforms the Sony Xperia 5 IV (69/100 vs 18/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Sony Xperia 5 IV and the Redmi K90 are nearly equal (56/100 vs 53/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Sony Xperia 5 IV (71/100 vs 36/100).
design
In the "design" category, the Sony Xperia 5 IV significantly outperforms the Redmi K90 (85/100 vs 42/100).
value for money
In the "value for money" category, the Redmi K90 notably outperforms the Sony Xperia 5 IV (82/100 vs 55/100).
Which is better: the Redmi K90 or the Sony Xperia 5 IV?
The Redmi K90 significantly outperforms the Sony Xperia 5 IV by 24 points (68/100 vs 44/100).
What is the rating of the Redmi K90 and the Sony Xperia 5 IV?
The Redmi K90 has a MobileRank rating of 68/100, the Sony Xperia 5 IV — 44/100.
Which is more powerful: the Redmi K90 or the Sony Xperia 5 IV?
The Redmi K90 leads on performance (69/100 vs 18/100).
Should you choose the Redmi K90 over the Sony Xperia 5 IV?
The Redmi K90 is a better fit for active users, budget-conscious buyers. The Sony Xperia 5 IV is a better fit for everyday use.