Redmi K90 Ultra vs Redmi Note 8T
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi Note 8T (2019) runs on the Qualcomm Snapdragon 665; launch prices were $420 and $200. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 28/100 (a 45-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4000); the main camera is 50 MP vs 48 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 329,457); the Redmi Note 8T is noticeably lighter (190g vs 227g).
Redmi K90 Ultra
Redmi Note 8T
- Higher AnTuTu: 3119308 vs 329457
- Better Geekbench Single: 3041 vs 321
- Better Geekbench Multi: 9494 vs 1128
- Bigger battery: 8550 vs 4000 mAh
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (92/100 vs 24/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (78/100 vs 25/100)
- Better display (94/100 vs 32/100)
- Lighter: 190g vs 227g
- Cheaper at launch: $200 vs $420
- Better portability (59/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Redmi Note 8T, the Redmi K90 Ultra scores 45 points higher (73/100 vs 28/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 24/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 25/100). Value score: Redmi K90 Ultra — 82/100, Redmi Note 8T — 18/100; 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 Redmi Note 8T (92/100 vs 24/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 8T (94/100 vs 32/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 8T (78/100 vs 25/100). In the "portability" category, the Redmi Note 8T notably outperforms the Redmi K90 Ultra (59/100 vs 40/100).
| Specification | Redmi K90 Ultra | Redmi Note 8T | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 665 | |
| AnTuTu | 3119308 | 329457 | |
| Geekbench Single | 3041 | 321 | |
| Geekbench Multi | 9494 | 1128 | |
| Display | 6.8" AMOLED | 6.3" IPS LCD | |
| Resolution | 1280x2772 | — | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 8550 mAh | 4000 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 13 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB | 64GB / 128GB | |
| OS | Android 16 | — | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 161.1×75.4×8.6 mm | |
| Weight | 227 g | 190 g | |
| Launch price | $420 | $200 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi Note 8T
- Main: 48MP
- Front: 13MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi Note 8T
- 6.3" IPS LCD
- Refresh rate: 60 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Redmi Note 8T
- 4000 mAh
- No wireless charging
We compared Redmi K90 Ultra and Redmi Note 8T, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi Note 8T by 846.8% in our overall performance rating.
Launch price difference: $220. Redmi Note 8T was $220 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 8T (92/100 vs 24/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 8T (94/100 vs 32/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 8T (78/100 vs 25/100).
portability
In the "portability" category, the Redmi Note 8T notably outperforms the Redmi K90 Ultra (59/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Redmi Note 8T?
The Redmi K90 Ultra significantly outperforms the Redmi Note 8T by 45 points (73/100 vs 28/100).
What is the rating of the Redmi K90 Ultra and the Redmi Note 8T?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Redmi Note 8T — 28/100.
Which has the better camera: the Redmi K90 Ultra or the Redmi Note 8T?
The Redmi K90 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Redmi K90 Ultra or the Redmi Note 8T?
The Redmi K90 Ultra leads on performance (92/100 vs 24/100).
Should you choose the Redmi K90 Ultra over the Redmi Note 8T?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Redmi Note 8T is a better fit for everyday use.