Motorola Moto G Fast vs Redmi K90
The Motorola Moto G Fast (2020) runs on the Qualcomm Snapdragon 665, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 25/100 (a 51-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 4000); the main camera is 16 MP vs 50 MP; the Redmi K90 is faster in AnTuTu (3,077,585 vs 329,457); the Redmi K90 has NFC for contactless payments, the Motorola Moto G Fast doesn't; the Motorola Moto G Fast is noticeably lighter (189g vs 206g).
Profile comparison
Category scores
Motorola Moto G Fast
Redmi K90
What makes Motorola Moto G Fast better?
- Lighter: 189g vs 206g
- Overall rating 25/100
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 329457
- Better Geekbench Single: 3013 vs 321
- Better Geekbench Multi: 9287 vs 1128
- Bigger battery: 7100 vs 4000 mAh
- Faster charging: 100W vs 10W
- Better main camera: 50MP vs 16MP
- Higher performance (91/100 vs 24/100)
- Better camera (58/100 vs 15/100)
- Longer battery life (72/100 vs 22/100)
- Better display (82/100 vs 39/100)
- Better portability (55/100 vs 54/100)
Comparison verdict
Comparing the Motorola Moto G Fast vs the Redmi K90, the Redmi K90 scores 51 points higher (76/100 vs 25/100). In the "performance" category, the Redmi K90 leads (91/100 vs 24/100). In the "camera" category, the Redmi K90 leads (58/100 vs 15/100). In the "battery" category, the Redmi K90 leads (72/100 vs 22/100). In the "performance" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (91/100 vs 24/100). In the "display" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (82/100 vs 39/100). In the "camera" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (58/100 vs 15/100). In the "battery" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (72/100 vs 22/100). In the "portability" category, the Redmi K90 and the Motorola Moto G Fast are nearly equal (55/100 vs 54/100).
Specs comparison
| Specification | Motorola Moto G Fast | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 665 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 329457 | 3077585 | |
| Geekbench Single | 321 | 3013 | |
| Geekbench Multi | 1128 | 9287 | |
| Display | 6.4" IPS LCD | 6.6" AMOLED | |
| Resolution | 720x1560 | 2510x1156 | |
| Refresh rate | — | 120 Hz | |
| Battery | 4000 mAh | 7100 mAh | |
| Charging | 10W | 100W | |
| Main camera | 16 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 3GB | 12GB / 16GB | |
| Storage | 32GB | 256GB / 512GB | |
| OS | Android 10 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 161.9×75.7×9.1 mm | 157.5×75.3×8.0 mm | |
| Weight | 189 g | 206 g | |
| Launch price | — | $401 |
Camera comparison
Motorola Moto G Fast
- Main: 16MP f/1.7
- Ultrawide: 8MP
- Front: 8MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
Motorola Moto G Fast
- 6.4" IPS LCD
- Resolution: 720x1560
- Refresh rate: —
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
Motorola Moto G Fast
- 4000 mAh
- Wired: 10W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Motorola Moto G Fast and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Motorola Moto G Fast by 89.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Motorola Moto G Fast
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (91/100 vs 24/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (82/100 vs 39/100).
camera
In the "camera" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (58/100 vs 15/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (72/100 vs 22/100).
portability
In the "portability" category, the Redmi K90 and the Motorola Moto G Fast are nearly equal (55/100 vs 54/100).
Frequently asked questions
Which is better: the Motorola Moto G Fast or the Redmi K90?
The Redmi K90 significantly outperforms the Motorola Moto G Fast by 51 points (76/100 vs 25/100).
What is the rating of the Motorola Moto G Fast and the Redmi K90?
The Motorola Moto G Fast has a MobileRank rating of 25/100, the Redmi K90 — 76/100.
Which has the better camera: the Motorola Moto G Fast or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 15/100).
Which is more powerful: the Motorola Moto G Fast or the Redmi K90?
The Redmi K90 leads on performance (91/100 vs 24/100).
Should you choose the Motorola Moto G Fast over the Redmi K90?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.