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 — 93/100 vs 73/100 (a 20-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 (3,722,803 vs 3,233,695).
Profile comparison
Category scores
Redmi K100 Pro Max
Redmi K90 Ultra
What makes Redmi K100 Pro Max better?
- Higher AnTuTu: 3722803 vs 3233695
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Bigger battery: 9070 vs 8550 mAh
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 185Hz vs 165Hz
- Higher performance (97/100 vs 92/100)
- Better camera (90/100 vs 37/100)
- Longer battery life (95/100 vs 78/100)
What makes Redmi K90 Ultra better?
- Cheaper at launch: $420 vs $730
- Better display (94/100 vs 91/100)
Comparison verdict
Comparing the Redmi K100 Pro Max vs the Redmi K90 Ultra, the Redmi K100 Pro Max scores 20 points higher (93/100 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 — 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 K100 Pro Max is a bit better (97/100 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).
Specs comparison
| Specification | Redmi K100 Pro Max | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3722803 | 3233695 | |
| Geekbench Single | 3639 | 3013 | |
| Geekbench Multi | 11047 | 9287 | |
| 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 |
Camera comparison
Redmi K100 Pro Max
- Main: 200MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
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
Battery and charging
Redmi K100 Pro Max
- 9070 mAh
- Wired: 100W
- Wireless: 50W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
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 15.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $310. Redmi K90 Ultra was $310 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K100 Pro Max is a bit better (97/100 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).
Frequently asked questions
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 20 points (93/100 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 93/100, 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 (97/100 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.