Poco X8 vs Redmi K90
The Poco X8 (2026) runs on the Qualcomm Snapdragon 6s Gen 4, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $389 and $401. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 55/100 (a 21-point difference). Key differences: the Poco X8 has the bigger battery (8340 mAh vs 7100); the Redmi K90 is faster in AnTuTu (3,077,585 vs 829,894); the Redmi K90 is noticeably lighter (206g vs 223g).
Profile comparison
Category scores
Poco X8
Redmi K90
What makes Poco X8 better?
- Bigger battery: 8340 vs 7100 mAh
- Cheaper at launch: $389 vs $401
- Better display (84/100 vs 82/100)
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 829894
- Better Geekbench Single: 3013 vs 1009
- Better Geekbench Multi: 9287 vs 2892
- Faster charging: 100W vs 67W
- Lighter: 206g vs 223g
- Higher performance (91/100 vs 55/100)
- Better camera (58/100 vs 35/100)
- Longer battery life (72/100 vs 69/100)
- Better portability (55/100 vs 39/100)
Comparison verdict
Comparing the Poco X8 vs the Redmi K90, the Redmi K90 scores 21 points higher (76/100 vs 55/100). In the "performance" category, the Redmi K90 leads (91/100 vs 55/100). In the "camera" category, the Redmi K90 leads (58/100 vs 35/100). Value score: Poco X8 — 40/100, Redmi K90 — 80/100; 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 significantly outperforms the Poco X8 (91/100 vs 55/100). In the "display" category, the Poco X8 and the Redmi K90 are nearly equal (84/100 vs 82/100). In the "camera" category, the Redmi K90 notably outperforms the Poco X8 (58/100 vs 35/100). In the "battery" category, the Redmi K90 and the Poco X8 are nearly equal (72/100 vs 69/100). In the "portability" category, the Redmi K90 notably outperforms the Poco X8 (55/100 vs 39/100).
Specs comparison
| Specification | Poco X8 | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6s Gen 4 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 829894 | 3077585 | |
| Geekbench Single | 1009 | 3013 | |
| Geekbench Multi | 2892 | 9287 | |
| Display | 6.8" AMOLED | 6.6" AMOLED | |
| Resolution | 1280x2772 | 2510x1156 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8340 mAh | 7100 mAh | |
| Charging | 67W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 6GB / 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69K | IP68 | |
| Dimensions | 163.5×78.3×8.6 mm | 157.5×75.3×8.0 mm | |
| Weight | 223 g | 206 g | |
| Launch price | $389 | $401 |
Camera comparison
Poco X8
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
Poco X8
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 120 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
Poco X8
- 8340 mAh
- Wired: 67W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Poco X8 and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Poco X8 by 73.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $12. Poco X8 was $12 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Poco X8 (91/100 vs 55/100).
display
In the "display" category, the Poco X8 and the Redmi K90 are nearly equal (84/100 vs 82/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Poco X8 (58/100 vs 35/100).
battery
In the "battery" category, the Redmi K90 and the Poco X8 are nearly equal (72/100 vs 69/100).
portability
In the "portability" category, the Redmi K90 notably outperforms the Poco X8 (55/100 vs 39/100).
Frequently asked questions
Which is better: the Poco X8 or the Redmi K90?
The Redmi K90 significantly outperforms the Poco X8 by 21 points (76/100 vs 55/100).
What is the rating of the Poco X8 and the Redmi K90?
The Poco X8 has a MobileRank rating of 55/100, the Redmi K90 — 76/100.
Which has the better camera: the Poco X8 or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 35/100).
Which is more powerful: the Poco X8 or the Redmi K90?
The Redmi K90 leads on performance (91/100 vs 55/100).
Should you choose the Poco X8 over the Redmi K90?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.