Poco X6 vs Redmi K90 Ultra
The Poco X6 (2024) runs on the Qualcomm Snapdragon 7s Gen 2, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $249 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 56/100 (a 17-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5100); the main camera is 64 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 798,429); the Poco X6 is noticeably lighter (181g vs 227g).
Profile comparison
Category scores
Poco X6
Redmi K90 Ultra
What makes Poco X6 better?
- Better main camera: 64MP vs 50MP
- Lighter: 181g vs 227g
- Cheaper at launch: $249 vs $420
- Better camera (43/100 vs 37/100)
- Better portability (70/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 798429
- Better Geekbench Single: 3013 vs 1030
- Better Geekbench Multi: 9287 vs 2980
- Bigger battery: 8550 vs 5100 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 55/100)
- Longer battery life (78/100 vs 55/100)
- Better display (94/100 vs 83/100)
Comparison verdict
Comparing the Poco X6 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 17 points higher (73/100 vs 56/100). 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 55/100). Value score: Poco X6 — 62/100, 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 X6 (92/100 vs 55/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100). In the "camera" category, the Poco X6 is a bit better (43/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Poco X6 (78/100 vs 55/100). In the "portability" category, the Poco X6 significantly outperforms the Redmi K90 Ultra (70/100 vs 40/100).
Specs comparison
| Specification | Poco X6 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7s Gen 2 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 798429 | 3233695 | |
| Geekbench Single | 1030 | 3013 | |
| Geekbench Multi | 2980 | 9287 | |
| Display | 6.7" AMOLED | 6.8" AMOLED | |
| Resolution | 2712x1220 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5100 mAh | 8550 mAh | |
| Charging | 67W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 13 / HyperOS | Android 16 | |
| Brightness (peak) | 1800 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68/IP69 | |
| Dimensions | 161.2×74.3×8.0 mm | 162.9×77.9×8.2 mm | |
| Weight | 181 g | 227 g | |
| Launch price | $249 | $420 |
Camera comparison
Poco X6
- Main: 64MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Poco X6
- 6.7" AMOLED
- Resolution: 2712x1220
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Poco X6
- 5100 mAh
- Wired: 67W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Poco X6 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Poco X6 by 75.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $171. Poco X6 was $171 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Poco X6 (92/100 vs 55/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100).
camera
In the "camera" category, the Poco X6 is a bit better (43/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Poco X6 (78/100 vs 55/100).
portability
In the "portability" category, the Poco X6 significantly outperforms the Redmi K90 Ultra (70/100 vs 40/100).
Frequently asked questions
Which is better: the Poco X6 or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Poco X6 — the overall rating gap is 17 points.
What is the rating of the Poco X6 and the Redmi K90 Ultra?
The Poco X6 has a MobileRank rating of 56/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Poco X6 or the Redmi K90 Ultra?
The Poco X6 leads on camera score (43/100 vs 37/100).
Which is more powerful: the Poco X6 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 55/100).
Should you choose the Poco X6 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.