Poco X8 Pro Max vs Redmi K90 Ultra
The Poco X8 Pro Max (2026) runs on the MediaTek Dimensity 9500, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $469 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 71/100 (a 2-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 8500); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 2,604,459).
Profile comparison
Category scores
Poco X8 Pro Max
Redmi K90 Ultra
What makes Poco X8 Pro Max better?
- Better Geekbench Single: 3293 vs 3013
- Better Geekbench Multi: 10243 vs 9287
- Lighter: 218g vs 227g
- Better portability (46/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 2604459
- Bigger battery: 8550 vs 8500 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $469
- Higher performance (92/100 vs 91/100)
- Longer battery life (78/100 vs 77/100)
- Better display (94/100 vs 84/100)
Comparison verdict
Comparing the Poco X8 Pro Max vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 2 points higher (73/100 vs 71/100). Value score: Poco X8 Pro Max — 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 and the Poco X8 Pro Max are nearly equal (92/100 vs 91/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100). In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Redmi K90 Ultra and the Poco X8 Pro Max are nearly equal (78/100 vs 77/100). In the "portability" category, the Poco X8 Pro Max is a bit better (46/100 vs 40/100).
Specs comparison
| Specification | Poco X8 Pro Max | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2604459 | 3233695 | |
| Geekbench Single | 3293 | 3013 | |
| Geekbench Multi | 10243 | 9287 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 2772x1280 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 8500 mAh | 8550 mAh | |
| Charging | 100W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 162.9×77.9×8.2 mm | 162.9×77.9×8.2 mm | |
| Weight | 218 g | 227 g | |
| Launch price | $469 | $420 |
Camera comparison
Poco X8 Pro Max
- Main: 50MP f/1.5
- Ultrawide: 8MP
- Front: 20MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Poco X8 Pro Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Poco X8 Pro Max
- 8500 mAh
- Wired: 100W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Poco X8 Pro Max and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Poco X8 Pro Max by 19.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $49. Redmi K90 Ultra was $49 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra and the Poco X8 Pro Max are nearly equal (92/100 vs 91/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100).
camera
In the "camera" category, both devices are on the same level — 37/100.
battery
In the "battery" category, the Redmi K90 Ultra and the Poco X8 Pro Max are nearly equal (78/100 vs 77/100).
portability
In the "portability" category, the Poco X8 Pro Max is a bit better (46/100 vs 40/100).
Frequently asked questions
Which is better: the Poco X8 Pro Max or the Redmi K90 Ultra?
The Redmi K90 Ultra edges out the Poco X8 Pro Max by just 2 points — the two devices are very close in overall level.
What is the rating of the Poco X8 Pro Max and the Redmi K90 Ultra?
The Poco X8 Pro Max has a MobileRank rating of 71/100, the Redmi K90 Ultra — 73/100.
Should you choose the Poco X8 Pro Max over the Redmi K90 Ultra?
The Poco X8 Pro Max is a better fit for gamers and power users, those who care about battery life. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.