Redmi 8A vs Redmi K90
The Redmi 8A (2019) runs on the Qualcomm Snapdragon 439, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $100 and $401. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 23/100 (a 53-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the main camera is 12 MP vs 50 MP; the Redmi K90 is faster in AnTuTu (3,088,357 vs 193,115); the Redmi K90 has NFC for contactless payments, the Redmi 8A doesn't; the Redmi 8A is noticeably lighter (188g vs 206g).
Redmi 8A
Redmi K90
- Lighter: 188g vs 206g
- Cheaper at launch: $100 vs $401
- Overall rating 23/100
- Higher AnTuTu: 3088357 vs 193115
- Better Geekbench Single: 3041 vs 199
- Better Geekbench Multi: 9494 vs 795
- Bigger battery: 7100 vs 5000 mAh
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (92/100 vs 12/100)
- Better camera (58/100 vs 10/100)
- Longer battery life (72/100 vs 52/100)
- Better display (82/100 vs 32/100)
- Better portability (55/100 vs 52/100)
Comparing the Redmi 8A vs the Redmi K90, the Redmi K90 scores 53 points higher (76/100 vs 23/100). In the "performance" category, the Redmi K90 leads (92/100 vs 12/100). In the "camera" category, the Redmi K90 leads (58/100 vs 10/100). In the "battery" category, the Redmi K90 leads (72/100 vs 52/100). Value score: Redmi 8A — 30/100, Redmi K90 — 90/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 significantly outperforms the Redmi 8A (92/100 vs 12/100). In the "display" category, the Redmi K90 significantly outperforms the Redmi 8A (82/100 vs 32/100). In the "camera" category, the Redmi K90 significantly outperforms the Redmi 8A (58/100 vs 10/100). In the "battery" category, the Redmi K90 notably outperforms the Redmi 8A (72/100 vs 52/100). In the "portability" category, the Redmi K90 and the Redmi 8A are nearly equal (55/100 vs 52/100).
| Specification | Redmi 8A | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 439 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 193115 | 3088357 | |
| Geekbench Single | 199 | 3041 | |
| Geekbench Multi | 795 | 9494 | |
| Display | 6.2" IPS LCD | 6.6" AMOLED | |
| Resolution | — | 2510x1156 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 5000 mAh | 7100 mAh | |
| Charging | — | 100W | |
| Main camera | 12 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 2GB / 3GB | 12GB / 16GB | |
| Storage | 32GB | 256GB / 512GB | |
| OS | — | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 156.5×75.4×9.4 mm | 157.5×75.3×8.0 mm | |
| Weight | 188 g | 206 g | |
| Launch price | $100 | $401 |
Redmi 8A
- Main: 12MP
- Front: 8MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Redmi 8A
- 6.2" IPS LCD
- Refresh rate: 60 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Redmi 8A
- 5000 mAh
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared Redmi 8A and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Redmi 8A by 93.7% in our overall performance rating.
Launch price difference: $301. Redmi 8A was $301 cheaper at launch.
performance
In the "performance" category, the Redmi K90 significantly outperforms the Redmi 8A (92/100 vs 12/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Redmi 8A (82/100 vs 32/100).
camera
In the "camera" category, the Redmi K90 significantly outperforms the Redmi 8A (58/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Redmi 8A (72/100 vs 52/100).
portability
In the "portability" category, the Redmi K90 and the Redmi 8A are nearly equal (55/100 vs 52/100).
Which is better: the Redmi 8A or the Redmi K90?
The Redmi K90 significantly outperforms the Redmi 8A by 53 points (76/100 vs 23/100).
What is the rating of the Redmi 8A and the Redmi K90?
The Redmi 8A has a MobileRank rating of 23/100, the Redmi K90 — 76/100.
Which has the better camera: the Redmi 8A or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 10/100).
Which is more powerful: the Redmi 8A or the Redmi K90?
The Redmi K90 leads on performance (92/100 vs 12/100).
Should you choose the Redmi 8A over the Redmi K90?
The Redmi 8A is a better fit for everyday use. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.