Poco M8 vs Redmi K90 Ultra
The Poco M8 (2026) runs on the Qualcomm Snapdragon 6 Gen 3, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $209 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 54/100 (a 19-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5520); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 837,903); the Poco M8 is noticeably lighter (178g vs 227g).
Profile comparison
Category scores
Poco M8
Redmi K90 Ultra
What makes Poco M8 better?
- Lighter: 178g vs 227g
- Cheaper at launch: $209 vs $420
- Better portability (79/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 837903
- Better Geekbench Single: 3013 vs 1013
- Better Geekbench Multi: 9287 vs 3000
- Bigger battery: 8550 vs 5520 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 55/100)
- Better camera (37/100 vs 34/100)
- Longer battery life (78/100 vs 54/100)
- Better display (94/100 vs 79/100)
Comparison verdict
Comparing the Poco M8 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 19 points higher (73/100 vs 54/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 55/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 54/100). Value score: Poco M8 — 66/100, 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 Poco M8 (92/100 vs 55/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Poco M8 (94/100 vs 79/100). In the "camera" category, the Redmi K90 Ultra and the Poco M8 are nearly equal (37/100 vs 34/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Poco M8 (78/100 vs 54/100). In the "portability" category, the Poco M8 significantly outperforms the Redmi K90 Ultra (79/100 vs 40/100).
Specs comparison
| Specification | Poco M8 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6 Gen 3 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 837903 | 3233695 | |
| Geekbench Single | 1013 | 3013 | |
| Geekbench Multi | 3000 | 9287 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2392 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5520 mAh | 8550 mAh | |
| Charging | 45W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB | |
| OS | Android 15, up to 4 major Android upgrades, HyperOS 2 | Android 16 | |
| Brightness (peak) | 3200 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68/IP69 | |
| Dimensions | 164.0×75.4×7.4 mm | 162.9×77.9×8.2 mm | |
| Weight | 178 g | 227 g | |
| Launch price | $209 | $420 |
Camera comparison
Poco M8
- Main: 50MP f/1.8
- Front: 20MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Poco M8
- 6.8" AMOLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Poco M8
- 5520 mAh
- Wired: 45W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Poco M8 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Poco M8 by 74.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $211. Poco M8 was $211 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Poco M8 (92/100 vs 55/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Poco M8 (94/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 Ultra and the Poco M8 are nearly equal (37/100 vs 34/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Poco M8 (78/100 vs 54/100).
portability
In the "portability" category, the Poco M8 significantly outperforms the Redmi K90 Ultra (79/100 vs 40/100).
Frequently asked questions
Which is better: the Poco M8 or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Poco M8 — the overall rating gap is 19 points.
What is the rating of the Poco M8 and the Redmi K90 Ultra?
The Poco M8 has a MobileRank rating of 54/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Poco M8 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 55/100).
Should you choose the Poco M8 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.