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 794,638); the Poco X6 is noticeably lighter (181g vs 227g).
Poco X6
Redmi K90 Ultra
- 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)
- Higher AnTuTu: 3233695 vs 794638
- Better Geekbench Single: 3041 vs 1030
- Better Geekbench Multi: 9494 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)
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 — 66/100, 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 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).
| Specification | Poco X6 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7s Gen 2 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 794638 | 3233695 | |
| Geekbench Single | 1030 | 3041 | |
| Geekbench Multi | 2980 | 9494 | |
| 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 |
Poco X6
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Poco X6
- 6.7" AMOLED
- Resolution: 2712x1220
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Poco X6
- 5100 mAh
- Wired: 67W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Poco X6 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Poco X6 by 75.4% in our overall performance rating.
Launch price difference: $171. Poco X6 was $171 cheaper at launch.
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).
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 Poco X6 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.