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 — 84/100 vs 49/100 (a 35-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 (4,119,955 vs 1,627,862); the Redmi K90 Pro Max is noticeably lighter (210g vs 225g).

The Redmi K90 Pro Max significantly outperforms the Xiaomi 12S Ultra by 35 points (84/100 vs 49/100).
Profile comparison
Category scores
Redmi K90 Pro Max
Performance 94
Display 100
Camera 74
Battery 82
Design 37
Value for money 71
Xiaomi 12S Ultra
Performance 24
Display 100
Camera 70
Battery 43
Design 18
Value for money 55
What makes Redmi K90 Pro Max better?
  • Higher AnTuTu: 4119955 vs 1627862
  • Better Geekbench Single: 3640 vs 1761
  • Better Geekbench Multi: 11033 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 (94/100 vs 24/100)
  • Better camera (74/100 vs 70/100)
  • Longer battery life (82/100 vs 43/100)
  • Better design/ergonomics (37/100 vs 18/100)
  • Better value for money (71/100 vs 55/100)
What makes Xiaomi 12S Ultra better?

  • Overall rating 49/100
Comparison verdict

Comparing the Redmi K90 Pro Max vs the Xiaomi 12S Ultra, the Redmi K90 Pro Max scores 35 points higher (84/100 vs 49/100). In the "performance" category, the Redmi K90 Pro Max leads (94/100 vs 24/100). In the "battery" category, the Redmi K90 Pro Max leads (82/100 vs 43/100). In the "value for money" category, the Redmi K90 Pro Max leads (71/100 vs 55/100). In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Xiaomi 12S Ultra (94/100 vs 24/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K90 Pro Max and the Xiaomi 12S Ultra are nearly equal (74/100 vs 70/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Xiaomi 12S Ultra (82/100 vs 43/100). In the "design" category, the Redmi K90 Pro Max notably outperforms the Xiaomi 12S Ultra (37/100 vs 18/100). In the "value for money" category, the Redmi K90 Pro Max notably outperforms the Xiaomi 12S Ultra (71/100 vs 55/100).

Redmi K90 Pro Max: The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life.
Xiaomi 12S Ultra: The Xiaomi 12S Ultra is a better fit for everyday use.
Specs comparison
Specification Redmi K90 Pro Max Xiaomi 12S Ultra
Processor Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 8+ Gen 1
AnTuTu 4119955 1627862
Geekbench Single 3640 1761
Geekbench Multi 11033 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 0W
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
Price $561
Camera comparison
Redmi K90 Pro Max
  • Main: 50MP f/f/1.88
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
74
camera
Xiaomi 12S Ultra
  • Main: 3MP f/f/1.9
  • Ultrawide: 48MP
  • Telephoto: 48MP
  • Front: 32MP
70
camera
Display comparison
Redmi K90 Pro Max
  • 6.9" OLED
  • Resolution: 2608x1200
  • Refresh rate: 120 Hz
100
display
Xiaomi 12S Ultra
  • 6.7" LTPO2 AMOLED
  • Resolution: 1440x3200
  • Refresh rate: 120 Hz
100
display
Battery and charging
Redmi K90 Pro Max
  • 7560 mAh
  • Wired: 100W
  • Wireless: 50W
82
battery
Xiaomi 12S Ultra
  • 4800 mAh
  • Wired: 67W
  • No wireless charging
43
battery
Overall performance score

We compared Redmi K90 Pro Max and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.

Redmi K90 Pro Max Qualcomm Snapdragon 8 Elite Gen 5
84/100
4119955 AnTuTu
Xiaomi 12S Ultra Qualcomm Snapdragon 8+ Gen 1
49/100 -153.1%
1627862 AnTuTu

Redmi K90 Pro Max leads Xiaomi 12S Ultra by 153.1% in our overall performance rating.

Benchmarks
Price and availability
Redmi K90 Pro Max
$561
Xiaomi 12S Ultra
Price unknown
Detailed category analysis
performance

In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Xiaomi 12S Ultra (94/100 vs 24/100).

display

In the "display" category, both devices are on the same level — 100/100.

camera

In the "camera" category, the Redmi K90 Pro Max and the Xiaomi 12S Ultra are nearly equal (74/100 vs 70/100).

battery

In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Xiaomi 12S Ultra (82/100 vs 43/100).

design

In the "design" category, the Redmi K90 Pro Max notably outperforms the Xiaomi 12S Ultra (37/100 vs 18/100).

value for money

In the "value for money" category, the Redmi K90 Pro Max notably outperforms the Xiaomi 12S Ultra (71/100 vs 55/100).

Frequently asked questions
Which is better: the Redmi K90 Pro Max or the Xiaomi 12S Ultra?

The Redmi K90 Pro Max significantly outperforms the Xiaomi 12S Ultra by 35 points (84/100 vs 49/100).

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 84/100, the Xiaomi 12S Ultra — 49/100.

Which is more powerful: the Redmi K90 Pro Max or the Xiaomi 12S Ultra?

The Redmi K90 Pro Max leads on performance (94/100 vs 24/100).

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. The Xiaomi 12S Ultra is a better fit for everyday use.