Poco X4 GT vs Redmi K90 Ultra
The Poco X4 GT (2022) runs on the MediaTek Dimensity 8100, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $380 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 57/100 (a 16-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5080); the main camera is 64 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,080,106); the Poco X4 GT is noticeably lighter (200g vs 227g).
Profile comparison
Category scores
Poco X4 GT
Redmi K90 Ultra
What makes Poco X4 GT better?
- Better main camera: 64MP vs 50MP
- Lighter: 200g vs 227g
- Cheaper at launch: $380 vs $420
- Better camera (43/100 vs 37/100)
- Better portability (50/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1080106
- Better Geekbench Single: 3013 vs 1139
- Better Geekbench Multi: 9287 vs 3842
- Bigger battery: 8550 vs 5080 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (92/100 vs 61/100)
- Longer battery life (78/100 vs 54/100)
- Better display (94/100 vs 77/100)
Comparison verdict
Comparing the Poco X4 GT vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 16 points higher (73/100 vs 57/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 61/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 54/100). Value score: Poco X4 GT — 44/100, 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 X4 GT (92/100 vs 61/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Poco X4 GT (94/100 vs 77/100). In the "camera" category, the Poco X4 GT is a bit better (43/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Poco X4 GT (78/100 vs 54/100). In the "portability" category, the Poco X4 GT is a bit better (50/100 vs 40/100).
Specs comparison
| Specification | Poco X4 GT | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8100 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1080106 | 3233695 | |
| Geekbench Single | 1139 | 3013 | |
| Geekbench Multi | 3842 | 9287 | |
| Display | 6.6" IPS LCD | 6.8" AMOLED | |
| Resolution | 2460x1080 | 1280x2772 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 5080 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 / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 12 | Android 16 | |
| Brightness (peak) | 650 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP53 | IP68/IP69 | |
| Dimensions | 163.6×74.3×8.9 mm | 162.9×77.9×8.2 mm | |
| Weight | 200 g | 227 g | |
| Launch price | $380 | $420 |
Camera comparison
Poco X4 GT
- Main: 64MP f/1.89
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Poco X4 GT
- 6.6" IPS LCD
- Resolution: 2460x1080
- Refresh rate: 144 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Poco X4 GT
- 5080 mAh
- Wired: 67W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Poco X4 GT and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Poco X4 GT by 66.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $40. Poco X4 GT was $40 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Poco X4 GT (92/100 vs 61/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Poco X4 GT (94/100 vs 77/100).
camera
In the "camera" category, the Poco X4 GT is a bit better (43/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Poco X4 GT (78/100 vs 54/100).
portability
In the "portability" category, the Poco X4 GT is a bit better (50/100 vs 40/100).
Frequently asked questions
Which is better: the Poco X4 GT or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Poco X4 GT — the overall rating gap is 16 points.
What is the rating of the Poco X4 GT and the Redmi K90 Ultra?
The Poco X4 GT has a MobileRank rating of 57/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Poco X4 GT or the Redmi K90 Ultra?
The Poco X4 GT leads on camera score (43/100 vs 37/100).
Which is more powerful: the Poco X4 GT or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 61/100).
Should you choose the Poco X4 GT over the Redmi K90 Ultra?
The Poco X4 GT is a better fit for active users. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.