Honor X8b vs Redmi K90 Ultra
The Honor X8b (2024) runs on the Qualcomm Snapdragon 680, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $250 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 45/100 (a 28-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4500); the main camera is 108 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 424,216); the Redmi K90 Ultra has NFC for contactless payments, the Honor X8b doesn't; the Honor X8b is noticeably lighter (166g vs 227g).
Profile comparison
Category scores
Honor X8b
Redmi K90 Ultra
What makes Honor X8b better?
- Better main camera: 108MP vs 50MP
- Lighter: 166g vs 227g
- Cheaper at launch: $250 vs $420
- Better camera (51/100 vs 37/100)
- Better portability (92/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 424216
- Better Geekbench Single: 3013 vs 412
- Better Geekbench Multi: 9287 vs 1423
- Bigger battery: 8550 vs 4500 mAh
- Faster charging: 100W vs 35W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 31/100)
- Longer battery life (78/100 vs 36/100)
- Better display (94/100 vs 68/100)
Comparison verdict
Comparing the Honor X8b vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 28 points higher (73/100 vs 45/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 31/100). In the "camera" category, the Honor X8b leads (51/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 36/100). Value score: Honor X8b — 40/100, 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 Honor X8b (92/100 vs 31/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Honor X8b (94/100 vs 68/100). In the "camera" category, the Honor X8b is a bit better (51/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Honor X8b (78/100 vs 36/100). In the "portability" category, the Honor X8b significantly outperforms the Redmi K90 Ultra (92/100 vs 40/100).
Specs comparison
| Specification | Honor X8b | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 680 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 424216 | 3233695 | |
| Geekbench Single | 412 | 3013 | |
| Geekbench Multi | 1423 | 9287 | |
| Display | 6.7" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2412 | 1280x2772 | |
| Refresh rate | 90 Hz | 165 Hz | |
| Battery | 4500 mAh | 8550 mAh | |
| Charging | 35W | 100W | |
| Main camera | 108 MP | 50 MP | |
| Ultrawide | 5 MP | 8 MP | |
| Front camera | 50 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB | |
| OS | Android 13, MagicOS 7.2 | Android 16 | |
| Brightness (peak) | 2000 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 161.1×74.6×6.8 mm | 162.9×77.9×8.2 mm | |
| Weight | 166 g | 227 g | |
| Launch price | $250 | $420 |
Camera comparison
Honor X8b
- Main: 108MP f/1.8
- Ultrawide: 5MP
- Front: 50MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Honor X8b
- 6.7" AMOLED
- Resolution: 1080x2412
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Honor X8b
- 4500 mAh
- Wired: 35W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Honor X8b and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Honor X8b by 86.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $170. Honor X8b was $170 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Honor X8b (92/100 vs 31/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Honor X8b (94/100 vs 68/100).
camera
In the "camera" category, the Honor X8b is a bit better (51/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Honor X8b (78/100 vs 36/100).
portability
In the "portability" category, the Honor X8b significantly outperforms the Redmi K90 Ultra (92/100 vs 40/100).
Frequently asked questions
Which is better: the Honor X8b or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Honor X8b by 28 points (73/100 vs 45/100).
What is the rating of the Honor X8b and the Redmi K90 Ultra?
The Honor X8b has a MobileRank rating of 45/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Honor X8b or the Redmi K90 Ultra?
The Honor X8b leads on camera score (51/100 vs 37/100).
Which is more powerful: the Honor X8b or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 31/100).
Should you choose the Honor X8b over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.