Redmi K90 Pro Max vs Xiaomi 12S Ultra
The Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 12S Ultra (2022) runs on the Qualcomm Snapdragon 8+ Gen 1. By overall MobileRank rating, the Redmi K90 Pro Max leads — 86/100 vs 71/100 (a 15-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 4800); the main camera is 50 MP vs 3 MP; the Redmi K90 Pro Max is faster in AnTuTu (3,622,315 vs 1,627,862); the Redmi K90 Pro Max is noticeably lighter (210g vs 225g).
Profile comparison
Category scores
Redmi K90 Pro Max
Xiaomi 12S Ultra
What makes Redmi K90 Pro Max better?
- Higher AnTuTu: 3622315 vs 1627862
- Better Geekbench Single: 3639 vs 1761
- Better Geekbench Multi: 11047 vs 4688
- Bigger battery: 7560 vs 4800 mAh
- Faster charging: 100W vs 67W
- Better main camera: 50MP vs 3MP
- Lighter: 210g vs 225g
- Higher performance (97/100 vs 73/100)
- Better camera (78/100 vs 70/100)
- Longer battery life (89/100 vs 64/100)
- Better portability (54/100 vs 32/100)
What makes Xiaomi 12S Ultra better?
- Better display (90/100 vs 81/100)
Comparison verdict
Comparing the Redmi K90 Pro Max vs the Xiaomi 12S Ultra, the Redmi K90 Pro Max scores 15 points higher (86/100 vs 71/100). In the "performance" category, the Redmi K90 Pro Max leads (97/100 vs 73/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 64/100). In the "performance" category, the Redmi K90 Pro Max notably outperforms the Xiaomi 12S Ultra (97/100 vs 73/100). In the "display" category, the Xiaomi 12S Ultra is a bit better (90/100 vs 81/100). In the "camera" category, the Redmi K90 Pro Max is a bit better (78/100 vs 70/100). In the "battery" category, the Redmi K90 Pro Max notably outperforms the Xiaomi 12S Ultra (89/100 vs 64/100). In the "portability" category, the Redmi K90 Pro Max notably outperforms the Xiaomi 12S Ultra (54/100 vs 32/100).
Specs comparison
| Specification | Redmi K90 Pro Max | Xiaomi 12S Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 3622315 | 1627862 | |
| Geekbench Single | 3639 | 1761 | |
| Geekbench Multi | 11047 | 4688 | |
| Display | 6.9" OLED | 6.7" LTPO2 AMOLED | |
| Resolution | 2608x1200 | 1440x3200 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7560 mAh | 4800 mAh | |
| Charging | 100W | 67W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | — | 136 | |
| Main camera | 50 MP | 3 MP | |
| Ultrawide | 50 MP | 48 MP | |
| Telephoto | 50 MP | 48 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 12, MIUI 13 | |
| Brightness (peak) | 3500 nits | 1500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.3×77.8×7.9 mm | 163.2×75.0×9.1 mm | |
| Weight | 210 g | 225 g | |
| Launch price | $561 | — |
Camera comparison
Redmi K90 Pro Max
- Main: 50MP f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 12S Ultra
- Main: 3MP f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
Display comparison
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Xiaomi 12S Ultra
- 6.7" LTPO2 AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
Xiaomi 12S Ultra
- 4800 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared Redmi K90 Pro Max and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads Xiaomi 12S Ultra by 122.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Xiaomi 12S Ultra
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Pro Max notably outperforms the Xiaomi 12S Ultra (97/100 vs 73/100).
display
In the "display" category, the Xiaomi 12S Ultra is a bit better (90/100 vs 81/100).
camera
In the "camera" category, the Redmi K90 Pro Max is a bit better (78/100 vs 70/100).
battery
In the "battery" category, the Redmi K90 Pro Max notably outperforms the Xiaomi 12S Ultra (89/100 vs 64/100).
portability
In the "portability" category, the Redmi K90 Pro Max notably outperforms the Xiaomi 12S Ultra (54/100 vs 32/100).
Frequently asked questions
Which is better: the Redmi K90 Pro Max or the Xiaomi 12S Ultra?
The Redmi K90 Pro Max is noticeably better than the Xiaomi 12S Ultra — the overall rating gap is 15 points.
What is the rating of the Redmi K90 Pro Max and the Xiaomi 12S Ultra?
The Redmi K90 Pro Max has a MobileRank rating of 86/100, the Xiaomi 12S Ultra — 71/100.
Which has the better camera: the Redmi K90 Pro Max or the Xiaomi 12S Ultra?
The Redmi K90 Pro Max leads on camera score (78/100 vs 70/100).
Which is more powerful: the Redmi K90 Pro Max or the Xiaomi 12S Ultra?
The Redmi K90 Pro Max leads on performance (97/100 vs 73/100).
Should you choose the Redmi K90 Pro Max over the Xiaomi 12S Ultra?
The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi 12S Ultra is a better fit for active users.