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 72/100 (a 1-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4600); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,757,044); the Motorola Moto X40 is noticeably lighter (199g vs 227g).
Profile comparison
Category scores
Motorola Moto X40
Redmi K90 Ultra
What makes Motorola Moto X40 better?
- Faster charging: 125W vs 100W
- Lighter: 199g vs 227g
- Better camera (65/100 vs 37/100)
- Better portability (53/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1757044
- Better Geekbench Single: 3013 vs 2004
- Better Geekbench Multi: 9287 vs 5311
- Bigger battery: 8550 vs 4600 mAh
- Higher performance (92/100 vs 76/100)
- Longer battery life (78/100 vs 64/100)
- Better display (94/100 vs 89/100)
Comparison verdict
Comparing the Motorola Moto X40 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 1 points higher (73/100 vs 72/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 76/100). 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 76/100). 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).
Specs comparison
| Specification | Motorola Moto X40 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 2 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1757044 | 3233695 | |
| Geekbench Single | 2004 | 3013 | |
| Geekbench Multi | 5311 | 9287 | |
| 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 |
Camera comparison
Motorola Moto X40
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 12MP
- Front: 60MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Motorola Moto X40
- 6.7" OLED
- Resolution: 1080x2400
- Refresh rate: 165 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Motorola Moto X40
- 4600 mAh
- Wired: 125W
- Wireless: 15W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Motorola Moto X40 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Motorola Moto X40 by 45.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Motorola Moto X40
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Motorola Moto X40 (92/100 vs 76/100).
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).
Frequently asked questions
Which is better: the Motorola Moto X40 or the Redmi K90 Ultra?
The Redmi K90 Ultra edges out the Motorola Moto X40 by just 1 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 72/100, 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 76/100).
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.