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 (3,119,308 vs 840,643); the Poco M8 is noticeably lighter (178g vs 227g).
Poco M8
Redmi K90 Ultra
- Lighter: 178g vs 227g
- Cheaper at launch: $209 vs $420
- Better portability (79/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 840643
- Better Geekbench Single: 3041 vs 1015
- Better Geekbench Multi: 9494 vs 2920
- 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)
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 — 70/100, Redmi K90 Ultra — 82/100; 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 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).
| Specification | Poco M8 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6 Gen 3 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 840643 | 3119308 | |
| Geekbench Single | 1015 | 3041 | |
| Geekbench Multi | 2920 | 9494 | |
| 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 |
Poco M8
- Main: 50MP f/f/1.8
- Front: 20MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Poco M8
- 6.8" AMOLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Poco M8
- 5520 mAh
- Wired: 45W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Poco M8 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Poco M8 by 73.1% in our overall performance rating.
Launch price difference: $211. Poco M8 was $211 cheaper at launch.
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).
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 Poco M8 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.