Poco X7 vs Redmi K90 Ultra
The Poco X7 (2025) runs on the MediaTek Dimensity 7300 Ultra, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $279 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 5110); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 803,683); the Poco X7 is noticeably lighter (185g vs 227g).
Profile comparison
Category scores
Poco X7
Redmi K90 Ultra
What makes Poco X7 better?
- Lighter: 185g vs 227g
- Cheaper at launch: $279 vs $420
- Better portability (63/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 803683
- Better Geekbench Single: 3013 vs 1011
- Better Geekbench Multi: 9287 vs 2813
- Bigger battery: 8550 vs 5110 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 54/100)
- Longer battery life (78/100 vs 51/100)
- Better display (94/100 vs 83/100)
Comparison verdict
Comparing the Poco X7 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 54/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 51/100). Value score: Poco X7 — 52/100, 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 X7 (92/100 vs 54/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100). In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Redmi K90 Ultra notably outperforms the Poco X7 (78/100 vs 51/100). In the "portability" category, the Poco X7 notably outperforms the Redmi K90 Ultra (63/100 vs 40/100).
Specs comparison
| Specification | Poco X7 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 7300 Ultra | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 803683 | 3233695 | |
| Geekbench Single | 1011 | 3013 | |
| Geekbench Multi | 2813 | 9287 | |
| Display | 6.7" AMOLED | 6.8" AMOLED | |
| Resolution | 1220x2712 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5110 mAh | 8550 mAh | |
| Charging | 45W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB | |
| OS | Android 14 | Android 16 | |
| Brightness (peak) | 3000 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 162.3×74.4×8.4 mm | 162.9×77.9×8.2 mm | |
| Weight | 185 g | 227 g | |
| Launch price | $279 | $420 |
Camera comparison
Poco X7
- Main: 50MP f/1.5
- Ultrawide: 8MP
- Front: 20MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Poco X7
- 6.7" AMOLED
- Resolution: 1220x2712
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Poco X7
- 5110 mAh
- Wired: 45W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Poco X7 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Poco X7 by 75.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $141. Poco X7 was $141 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Poco X7 (92/100 vs 54/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100).
camera
In the "camera" category, both devices are on the same level — 37/100.
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Poco X7 (78/100 vs 51/100).
portability
In the "portability" category, the Poco X7 notably outperforms the Redmi K90 Ultra (63/100 vs 40/100).
Frequently asked questions
Which is better: the Poco X7 or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Poco X7 — the overall rating gap is 19 points.
What is the rating of the Poco X7 and the Redmi K90 Ultra?
The Poco X7 has a MobileRank rating of 54/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Poco X7 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 54/100).
Should you choose the Poco X7 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.