Motorola Moto X40 vs Redmi K90
The Motorola Moto X40 (2022) runs on the Qualcomm Snapdragon 8 Gen 2, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 72/100 (a 4-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 4600); the Redmi K90 is faster in AnTuTu (3,077,585 vs 1,757,044).
Profile comparison
Category scores
Motorola Moto X40
Redmi K90
What makes Motorola Moto X40 better?
- Faster charging: 125W vs 100W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 199g vs 206g
- Better camera (65/100 vs 58/100)
- Better display (89/100 vs 82/100)
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 1757044
- Better Geekbench Single: 3013 vs 2004
- Better Geekbench Multi: 9287 vs 5311
- Bigger battery: 7100 vs 4600 mAh
- Higher performance (91/100 vs 76/100)
- Longer battery life (72/100 vs 64/100)
- Better portability (55/100 vs 53/100)
Comparison verdict
Comparing the Motorola Moto X40 vs the Redmi K90, the Redmi K90 scores 4 points higher (76/100 vs 72/100). In the "performance" category, the Redmi K90 leads (91/100 vs 76/100). In the "performance" category, the Redmi K90 notably outperforms the Motorola Moto X40 (91/100 vs 76/100). In the "display" category, the Motorola Moto X40 is a bit better (89/100 vs 82/100). In the "camera" category, the Motorola Moto X40 is a bit better (65/100 vs 58/100). In the "battery" category, the Redmi K90 is a bit better (72/100 vs 64/100). In the "portability" category, the Redmi K90 and the Motorola Moto X40 are nearly equal (55/100 vs 53/100).
Specs comparison
| Specification | Motorola Moto X40 | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 2 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1757044 | 3077585 | |
| Geekbench Single | 2004 | 3013 | |
| Geekbench Multi | 5311 | 9287 | |
| Display | 6.7" OLED | 6.6" AMOLED | |
| Resolution | 1080x2400 | 2510x1156 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 4600 mAh | 7100 mAh | |
| Charging | 125W | 100W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 12 MP | 50 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 | |
| Dimensions | 161.2×74.0×8.6 mm | 157.5×75.3×8.0 mm | |
| Weight | 199 g | 206 g | |
| Launch price | — | $401 |
Camera comparison
Motorola Moto X40
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 12MP
- Front: 60MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
Motorola Moto X40
- 6.7" OLED
- Resolution: 1080x2400
- Refresh rate: 165 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
Motorola Moto X40
- 4600 mAh
- Wired: 125W
- Wireless: 15W
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Motorola Moto X40 and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Motorola Moto X40 by 42.9% 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 notably outperforms the Motorola Moto X40 (91/100 vs 76/100).
display
In the "display" category, the Motorola Moto X40 is a bit better (89/100 vs 82/100).
camera
In the "camera" category, the Motorola Moto X40 is a bit better (65/100 vs 58/100).
battery
In the "battery" category, the Redmi K90 is a bit better (72/100 vs 64/100).
portability
In the "portability" category, the Redmi K90 and the Motorola Moto X40 are nearly equal (55/100 vs 53/100).
Frequently asked questions
Which is better: the Motorola Moto X40 or the Redmi K90?
The Redmi K90 edges out the Motorola Moto X40 by just 4 points — the two devices are very close in overall level.
What is the rating of the Motorola Moto X40 and the Redmi K90?
The Motorola Moto X40 has a MobileRank rating of 72/100, the Redmi K90 — 76/100.
Which has the better camera: the Motorola Moto X40 or the Redmi K90?
The Motorola Moto X40 leads on camera score (65/100 vs 58/100).
Which is more powerful: the Motorola Moto X40 or the Redmi K90?
The Redmi K90 leads on performance (91/100 vs 76/100).
Should you choose the Motorola Moto X40 over the Redmi K90?
The Motorola Moto X40 is a better fit for active users. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.