Redmi K100 Pro Max vs Redmi K90 Ultra
The Redmi K100 Pro Max (2026) runs on the Snapdragon 8 Elite Gen 5, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $730 and $420. By overall MobileRank rating, the Redmi K100 Pro Max leads — 94/100 vs 73/100 (a 21-point difference). Key differences: the Redmi K100 Pro Max has the bigger battery (9070 mAh vs 8550); the main camera is 200 MP vs 50 MP; the Redmi K100 Pro Max is faster in AnTuTu (3,942,923 vs 3,233,695).
Redmi K100 Pro Max
Redmi K90 Ultra
- Higher AnTuTu: 3942923 vs 3233695
- Better Geekbench Single: 3640 vs 3041
- Better Geekbench Multi: 11033 vs 9494
- Bigger battery: 9070 vs 8550 mAh
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 185Hz vs 165Hz
- Higher performance (98/100 vs 92/100)
- Better camera (90/100 vs 37/100)
- Longer battery life (95/100 vs 78/100)
- Cheaper at launch: $420 vs $730
- Better display (94/100 vs 91/100)
Comparing the Redmi K100 Pro Max vs the Redmi K90 Ultra, the Redmi K100 Pro Max scores 21 points higher (94/100 vs 73/100). In the "camera" category, the Redmi K100 Pro Max leads (90/100 vs 37/100). In the "battery" category, the Redmi K100 Pro Max leads (95/100 vs 78/100). Value score: Redmi K100 Pro Max — 100/100, Redmi K90 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K100 Pro Max is a bit better (98/100 vs 92/100). In the "display" category, the Redmi K90 Ultra and the Redmi K100 Pro Max are nearly equal (94/100 vs 91/100). In the "camera" category, the Redmi K100 Pro Max significantly outperforms the Redmi K90 Ultra (90/100 vs 37/100). In the "battery" category, the Redmi K100 Pro Max notably outperforms the Redmi K90 Ultra (95/100 vs 78/100).
| Specification | Redmi K100 Pro Max | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3942923 | 3233695 | |
| Geekbench Single | 3640 | 3041 | |
| Geekbench Multi | 11033 | 9494 | |
| Display | 6.9" AMOLED | 6.8" AMOLED | |
| Resolution | 1200x2608 | 1280x2772 | |
| Refresh rate | 185 Hz | 165 Hz | |
| Battery | 9070 mAh | 8550 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 50W | 0W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 4500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP69 | IP68/IP69 | |
| Dimensions | — | 162.9×77.9×8.2 mm | |
| Weight | — | 227 g | |
| Launch price | $730 | $420 |
Redmi K100 Pro Max
- Main: 200MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi K100 Pro Max
- 6.9" AMOLED
- Resolution: 1200x2608
- Refresh rate: 185 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi K100 Pro Max
- 9070 mAh
- Wired: 100W
- Wireless: 50W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Redmi K100 Pro Max and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K100 Pro Max leads Redmi K90 Ultra by 21.9% in our overall performance rating.
Launch price difference: $310. Redmi K90 Ultra was $310 cheaper at launch.
performance
In the "performance" category, the Redmi K100 Pro Max is a bit better (98/100 vs 92/100).
display
In the "display" category, the Redmi K90 Ultra and the Redmi K100 Pro Max are nearly equal (94/100 vs 91/100).
camera
In the "camera" category, the Redmi K100 Pro Max significantly outperforms the Redmi K90 Ultra (90/100 vs 37/100).
battery
In the "battery" category, the Redmi K100 Pro Max notably outperforms the Redmi K90 Ultra (95/100 vs 78/100).
Which is better: the Redmi K100 Pro Max or the Redmi K90 Ultra?
The Redmi K100 Pro Max significantly outperforms the Redmi K90 Ultra by 21 points (94/100 vs 73/100).
What is the rating of the Redmi K100 Pro Max and the Redmi K90 Ultra?
The Redmi K100 Pro Max has a MobileRank rating of 94/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Redmi K100 Pro Max or the Redmi K90 Ultra?
The Redmi K100 Pro Max leads on camera score (90/100 vs 37/100).
Which is more powerful: the Redmi K100 Pro Max or the Redmi K90 Ultra?
The Redmi K100 Pro Max leads on performance (98/100 vs 92/100).
Should you choose the Redmi K100 Pro Max over the Redmi K90 Ultra?
The Redmi K100 Pro Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.