Motorola Moto G42 vs Redmi K90 Ultra
The Motorola Moto G42 (2022) runs on the Qualcomm Snapdragon 680 4G, 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 44/100 (a 29-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 421,228); the Motorola Moto G42 is noticeably lighter (175g vs 227g).
Motorola Moto G42
Redmi K90 Ultra
- Lighter: 175g vs 227g
- Better portability (74/100 vs 40/100)
- Higher AnTuTu: 3233695 vs 421228
- Better Geekbench Single: 3041 vs 412
- Better Geekbench Multi: 9494 vs 1410
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 18W
- Higher performance (92/100 vs 31/100)
- Better camera (37/100 vs 35/100)
- Longer battery life (78/100 vs 43/100)
- Better display (94/100 vs 84/100)
Comparing the Motorola Moto G42 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 29 points higher (73/100 vs 44/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 31/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 43/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Motorola Moto G42 (92/100 vs 31/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100). In the "camera" category, the Redmi K90 Ultra and the Motorola Moto G42 are nearly equal (37/100 vs 35/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Motorola Moto G42 (78/100 vs 43/100). In the "portability" category, the Motorola Moto G42 significantly outperforms the Redmi K90 Ultra (74/100 vs 40/100).
| Specification | Motorola Moto G42 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 680 4G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 421228 | 3233695 | |
| Geekbench Single | 412 | 3041 | |
| Geekbench Multi | 1410 | 9494 | |
| Display | 6.4" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| Refresh rate | — | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 18W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB | |
| OS | Android 12 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 160.4×73.5×8.0 mm | 162.9×77.9×8.2 mm | |
| Weight | 175 g | 227 g | |
| Launch price | — | $420 |
Motorola Moto G42
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Motorola Moto G42
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Motorola Moto G42
- 5000 mAh
- Wired: 18W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Motorola Moto G42 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Motorola Moto G42 by 87.0% in our overall performance rating.
Motorola Moto G42
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Motorola Moto G42 (92/100 vs 31/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100).
camera
In the "camera" category, the Redmi K90 Ultra and the Motorola Moto G42 are nearly equal (37/100 vs 35/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Motorola Moto G42 (78/100 vs 43/100).
portability
In the "portability" category, the Motorola Moto G42 significantly outperforms the Redmi K90 Ultra (74/100 vs 40/100).
Which is better: the Motorola Moto G42 or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Motorola Moto G42 by 29 points (73/100 vs 44/100).
What is the rating of the Motorola Moto G42 and the Redmi K90 Ultra?
The Motorola Moto G42 has a MobileRank rating of 44/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Motorola Moto G42 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 31/100).
Should you choose the Motorola Moto G42 over the Redmi K90 Ultra?
The Motorola Moto G42 is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.