Infinix Zero Ultra vs Redmi K90 Pro Max

The Infinix Zero Ultra (2022) runs on the MediaTek Dimensity 920, while the Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Redmi K90 Pro Max leads — 84/100 vs 37/100 (a 47-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 4500); the main camera is 200 MP vs 50 MP; the Redmi K90 Pro Max has NFC for contactless payments, the Infinix Zero Ultra doesn't.

The Redmi K90 Pro Max significantly outperforms the Infinix Zero Ultra by 47 points (84/100 vs 37/100).
Profile comparison
Category scores
Infinix Zero Ultra
Performance 0
Display 100
Camera 54
Battery 49
Design 33
Value for money 55
Redmi K90 Pro Max
Performance 94
Display 100
Camera 74
Battery 82
Design 37
Value for money 71
What makes Infinix Zero Ultra better?
  • Faster charging: 180W vs 100W
  • Better main camera: 200MP vs 50MP

  • Overall rating 37/100
What makes Redmi K90 Pro Max better?
  • Bigger battery: 7560 vs 4500 mAh
  • Lighter: 210g vs 213g

  • Higher performance (94/100 vs 0/100)
  • Better camera (74/100 vs 54/100)
  • Longer battery life (82/100 vs 49/100)
  • Better design/ergonomics (37/100 vs 33/100)
  • Better value for money (71/100 vs 55/100)
Comparison verdict

Comparing the Infinix Zero Ultra vs the Redmi K90 Pro Max, the Redmi K90 Pro Max scores 47 points higher (84/100 vs 37/100). In the "performance" category, the Redmi K90 Pro Max leads (94/100 vs 0/100). In the "camera" category, the Redmi K90 Pro Max leads (74/100 vs 54/100). In the "battery" category, the Redmi K90 Pro Max leads (82/100 vs 49/100). 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 Infinix Zero Ultra (94/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K90 Pro Max notably outperforms the Infinix Zero Ultra (74/100 vs 54/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Infinix Zero Ultra (82/100 vs 49/100). In the "design" category, the Redmi K90 Pro Max and the Infinix Zero Ultra are nearly equal (37/100 vs 33/100). In the "value for money" category, the Redmi K90 Pro Max notably outperforms the Infinix Zero Ultra (71/100 vs 55/100).

Infinix Zero Ultra: The Infinix Zero Ultra is a better fit for everyday use.
Redmi K90 Pro Max: The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life.
Specs comparison
Specification Infinix Zero Ultra Redmi K90 Pro Max
Processor MediaTek Dimensity 920 Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 4119955
Geekbench Single 3640
Geekbench Multi 11033
Display 6.8" AMOLED 6.9" OLED
Resolution 1080x2400 2608x1200
Refresh rate 120 Hz 120 Hz
Battery 4500 mAh 7560 mAh
Charging 180W 100W
Wireless charging 0W 50W
Main camera 200 MP 50 MP
Ultrawide 13 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 32 MP 32 MP
RAM 8GB 16GB
Storage 256GB 256GB / 512GB / 1TB
OS Android 12, XOS 12 Android 16
Brightness (peak) 3500 nits
NFC no yes
Protection IP68
Dimensions 165.5×74.5×8.8 mm 163.3×77.8×7.9 mm
Weight 213 g 210 g
Price $561
Camera comparison
Infinix Zero Ultra
  • Main: 200MP f/f/2.0
  • Ultrawide: 13MP
  • Front: 32MP
54
camera
Redmi K90 Pro Max
  • Main: 50MP f/f/1.88
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
74
camera
Display comparison
Infinix Zero Ultra
  • 6.8" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 120 Hz
100
display
Redmi K90 Pro Max
  • 6.9" OLED
  • Resolution: 2608x1200
  • Refresh rate: 120 Hz
100
display
Battery and charging
Infinix Zero Ultra
  • 4500 mAh
  • Wired: 180W
  • No wireless charging
49
battery
Redmi K90 Pro Max
  • 7560 mAh
  • Wired: 100W
  • Wireless: 50W
82
battery
Benchmarks
Price and availability
Infinix Zero Ultra
Price unknown
Redmi K90 Pro Max
$561
Detailed category analysis
performance

In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Infinix Zero Ultra (94/100 vs 0/100).

display

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

camera

In the "camera" category, the Redmi K90 Pro Max notably outperforms the Infinix Zero Ultra (74/100 vs 54/100).

battery

In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Infinix Zero Ultra (82/100 vs 49/100).

design

In the "design" category, the Redmi K90 Pro Max and the Infinix Zero Ultra are nearly equal (37/100 vs 33/100).

value for money

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

Frequently asked questions
Which is better: the Infinix Zero Ultra or the Redmi K90 Pro Max?

The Redmi K90 Pro Max significantly outperforms the Infinix Zero Ultra by 47 points (84/100 vs 37/100).

What is the rating of the Infinix Zero Ultra and the Redmi K90 Pro Max?

The Infinix Zero Ultra has a MobileRank rating of 37/100, the Redmi K90 Pro Max — 84/100.

Which has the better camera: the Infinix Zero Ultra or the Redmi K90 Pro Max?

The Redmi K90 Pro Max leads on camera score (74/100 vs 54/100).

Which is more powerful: the Infinix Zero Ultra or the Redmi K90 Pro Max?

The Redmi K90 Pro Max leads on performance (94/100 vs 0/100).

Should you choose the Infinix Zero Ultra over the Redmi K90 Pro Max?

The Infinix Zero Ultra is a better fit for everyday use. The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life.