Motorola Moto X40 vs Redmi K90 Ultra
The Motorola Moto X40 (2022) runs on the Qualcomm Snapdragon 8 Gen 2, 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 71/100 (a 2-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4600); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 1,754,213); the Motorola Moto X40 is noticeably lighter (199g vs 227g).
Motorola Moto X40
Redmi K90 Ultra
- Faster charging: 125W vs 100W
- Lighter: 199g vs 227g
- Better camera (65/100 vs 37/100)
- Better portability (53/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 1754213
- Better Geekbench Single: 3041 vs 2004
- Better Geekbench Multi: 9494 vs 5311
- Bigger battery: 8550 vs 4600 mAh
- Higher performance (92/100 vs 75/100)
- Longer battery life (78/100 vs 64/100)
- Better display (94/100 vs 89/100)
Comparing the Motorola Moto X40 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 2 points higher (73/100 vs 71/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 75/100). In the "camera" category, the Motorola Moto X40 leads (65/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 64/100). In the "performance" category, the Redmi K90 Ultra notably outperforms the Motorola Moto X40 (92/100 vs 75/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100). In the "camera" category, the Motorola Moto X40 notably outperforms the Redmi K90 Ultra (65/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 64/100). In the "portability" category, the Motorola Moto X40 is a bit better (53/100 vs 40/100).
| Specification | Motorola Moto X40 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 2 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1754213 | 3119308 | |
| Geekbench Single | 2004 | 3041 | |
| Geekbench Multi | 5311 | 9494 | |
| Display | 6.7" OLED | 6.8" AMOLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| Refresh rate | 165 Hz | 165 Hz | |
| Battery | 4600 mAh | 8550 mAh | |
| Charging | 125W | 100W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 12 MP | 0 MP | |
| Front camera | 60 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB | |
| OS | Android 13, MYUI 5.0 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 161.2×74.0×8.6 mm | 162.9×77.9×8.2 mm | |
| Weight | 199 g | 227 g | |
| Launch price | — | $420 |
Motorola Moto X40
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 12MP
- Front: 60MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Motorola Moto X40
- 6.7" OLED
- Resolution: 1080x2400
- Refresh rate: 165 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Motorola Moto X40
- 4600 mAh
- Wired: 125W
- Wireless: 15W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Motorola Moto X40 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Motorola Moto X40 by 43.8% in our overall performance rating.
Motorola Moto X40
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Motorola Moto X40 (92/100 vs 75/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the Motorola Moto X40 notably outperforms the Redmi K90 Ultra (65/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 64/100).
portability
In the "portability" category, the Motorola Moto X40 is a bit better (53/100 vs 40/100).
Which is better: the Motorola Moto X40 or the Redmi K90 Ultra?
The Redmi K90 Ultra edges out the Motorola Moto X40 by just 2 points — the two devices are very close in overall level.
What is the rating of the Motorola Moto X40 and the Redmi K90 Ultra?
The Motorola Moto X40 has a MobileRank rating of 71/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Motorola Moto X40 or the Redmi K90 Ultra?
The Motorola Moto X40 leads on camera score (65/100 vs 37/100).
Which is more powerful: the Motorola Moto X40 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 75/100).
Should you choose the Motorola Moto X40 over the Redmi K90 Ultra?
The Motorola Moto X40 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, budget-conscious buyers.