Google Pixel 4a vs Redmi K90 Ultra
The Google Pixel 4a (2020) runs on the Snapdragon 730G, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $349 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 41/100 (a 32-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 3140); the main camera is 12 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 533,630); the Google Pixel 4a is noticeably lighter (143g vs 227g).
Profile comparison
Category scores
Google Pixel 4a
Redmi K90 Ultra
What makes Google Pixel 4a better?
- Lighter: 143g vs 227g
- Cheaper at launch: $349 vs $420
- Better camera (42/100 vs 37/100)
- Better portability (81/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 533630
- Better Geekbench Single: 3013 vs 697
- Better Geekbench Multi: 9287 vs 1809
- Bigger battery: 8550 vs 3140 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (92/100 vs 42/100)
- Longer battery life (78/100 vs 12/100)
- Better display (94/100 vs 59/100)
Comparison verdict
Comparing the Google Pixel 4a vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 32 points higher (73/100 vs 41/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 42/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 12/100). Value score: Google Pixel 4a — 16/100, Redmi K90 Ultra — 72/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Google Pixel 4a (92/100 vs 42/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Google Pixel 4a (94/100 vs 59/100). In the "camera" category, the Google Pixel 4a is a bit better (42/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Google Pixel 4a (78/100 vs 12/100). In the "portability" category, the Google Pixel 4a significantly outperforms the Redmi K90 Ultra (81/100 vs 40/100).
Specs comparison
| Specification | Google Pixel 4a | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 730G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 533630 | 3233695 | |
| Geekbench Single | 697 | 3013 | |
| Geekbench Multi | 1809 | 9287 | |
| Display | 5.8" OLED | 6.8" AMOLED | |
| Resolution | 1080x2340 | 1280x2772 | |
| Refresh rate | 60 Hz | 165 Hz | |
| Battery | 3140 mAh | 8550 mAh | |
| Charging | 18W | 100W | |
| DXOMark (camera) | 100 | — | |
| Main camera | 12 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 6GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB | |
| OS | Android 10 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 144.0×69.4×8.2 mm | 162.9×77.9×8.2 mm | |
| Weight | 143 g | 227 g | |
| Launch price | $349 | $420 |
Camera comparison
Google Pixel 4a
- Main: 12MP f/1.7
- Front: 8MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Google Pixel 4a
- 5.8" OLED
- Resolution: 1080x2340
- Refresh rate: 60 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Google Pixel 4a
- 3140 mAh
- Wired: 18W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Google Pixel 4a and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Google Pixel 4a by 83.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $71. Google Pixel 4a was $71 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Google Pixel 4a (92/100 vs 42/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Google Pixel 4a (94/100 vs 59/100).
camera
In the "camera" category, the Google Pixel 4a is a bit better (42/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Google Pixel 4a (78/100 vs 12/100).
portability
In the "portability" category, the Google Pixel 4a significantly outperforms the Redmi K90 Ultra (81/100 vs 40/100).
Frequently asked questions
Which is better: the Google Pixel 4a or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Google Pixel 4a by 32 points (73/100 vs 41/100).
What is the rating of the Google Pixel 4a and the Redmi K90 Ultra?
The Google Pixel 4a has a MobileRank rating of 41/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Google Pixel 4a or the Redmi K90 Ultra?
The Google Pixel 4a leads on camera score (42/100 vs 37/100).
Which is more powerful: the Google Pixel 4a or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 42/100).
Should you choose the Google Pixel 4a over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.