Nubia Z50S Pro vs Redmi K90 Ultra

The Nubia Z50S Pro (2023) runs on the Qualcomm Snapdragon 8+ Gen 2, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $662 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 61/100 vs 37/100 (a 24-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5100).

The Redmi K90 Ultra significantly outperforms the Nubia Z50S Pro by 24 points (61/100 vs 37/100).
Profile comparison
Category scores
Nubia Z50S Pro
Performance 0
Display 100
Camera 51
Battery 54
Design 15
Value for money 64
Redmi K90 Ultra
Performance 65
Display 100
Camera 32
Battery 77
Design 16
Value for money 81
What makes Nubia Z50S Pro better?

  • Better camera (51/100 vs 32/100)
What makes Redmi K90 Ultra better?
  • Bigger battery: 8550 vs 5100 mAh
  • Faster charging: 100W vs 80W
  • Higher refresh rate: 165Hz vs 120Hz
  • Lighter: 227g vs 228g
  • Cheaper: $420 vs $662

  • Higher performance (65/100 vs 0/100)
  • Longer battery life (77/100 vs 54/100)
  • Better design/ergonomics (16/100 vs 15/100)
  • Better value for money (81/100 vs 64/100)
Comparison verdict

Comparing the Nubia Z50S Pro vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 24 points higher (61/100 vs 37/100). In the "performance" category, the Redmi K90 Ultra leads (65/100 vs 0/100). In the "camera" category, the Nubia Z50S Pro leads (51/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra leads (77/100 vs 54/100). In the "value for money" category, the Redmi K90 Ultra leads (81/100 vs 64/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Nubia Z50S Pro (65/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Nubia Z50S Pro notably outperforms the Redmi K90 Ultra (51/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Nubia Z50S Pro (77/100 vs 54/100). In the "design" category, the Redmi K90 Ultra and the Nubia Z50S Pro are nearly equal (16/100 vs 15/100). In the "value for money" category, the Redmi K90 Ultra notably outperforms the Nubia Z50S Pro (81/100 vs 64/100).

Nubia Z50S Pro: The Nubia Z50S Pro is a better fit for everyday use.
Redmi K90 Ultra: The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification Nubia Z50S Pro Redmi K90 Ultra
Processor Qualcomm Snapdragon 8+ Gen 2 Qualcomm Snapdragon 8 Elite
AnTuTu 2760000
Geekbench Single 3050
Geekbench Multi 9300
Display 6.8" AMOLED 6.8" AMOLED
Resolution 1260x2800 1280x2772
Refresh rate 120 Hz 165 Hz
Battery 5100 mAh 8550 mAh
Charging 80W 100W
Main camera 50 MP 50 MP
Ultrawide 50 MP 8 MP
Telephoto 8 MP 0 MP
Front camera 16 MP 20 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 1TB 256GB / 512GB
OS Android 13, MyOS 13 Android 16
Brightness (peak) 1200 nits 3500 nits
NFC yes yes
Protection IP68/IP69
Dimensions 163.9×76.3×8.3 mm 162.9×77.9×8.2 mm
Weight 228 g 227 g
Price $662 $420
Camera comparison
Nubia Z50S Pro
  • Main: 50MP f/f/1.6
  • Ultrawide: 50MP
  • Telephoto: 8MP
  • Front: 16MP
51
camera
Redmi K90 Ultra
  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Display comparison
Nubia Z50S Pro
  • 6.8" AMOLED
  • Resolution: 1260x2800
  • Refresh rate: 120 Hz
100
display
Redmi K90 Ultra
  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
100
display
Battery and charging
Nubia Z50S Pro
  • 5100 mAh
  • Wired: 80W
  • No wireless charging
54
battery
Redmi K90 Ultra
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
77
battery
Benchmarks
Price and availability
Nubia Z50S Pro
$662
Redmi K90 Ultra
$420

Price difference: $242. Redmi K90 Ultra is cheaper by $242.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Ultra significantly outperforms the Nubia Z50S Pro (65/100 vs 0/100).

display

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

camera

In the "camera" category, the Nubia Z50S Pro notably outperforms the Redmi K90 Ultra (51/100 vs 32/100).

battery

In the "battery" category, the Redmi K90 Ultra notably outperforms the Nubia Z50S Pro (77/100 vs 54/100).

design

In the "design" category, the Redmi K90 Ultra and the Nubia Z50S Pro are nearly equal (16/100 vs 15/100).

value for money

In the "value for money" category, the Redmi K90 Ultra notably outperforms the Nubia Z50S Pro (81/100 vs 64/100).

Frequently asked questions
Which is better: the Nubia Z50S Pro or the Redmi K90 Ultra?

The Redmi K90 Ultra significantly outperforms the Nubia Z50S Pro by 24 points (61/100 vs 37/100).

What is the rating of the Nubia Z50S Pro and the Redmi K90 Ultra?

The Nubia Z50S Pro has a MobileRank rating of 37/100, the Redmi K90 Ultra — 61/100.

Which has the better camera: the Nubia Z50S Pro or the Redmi K90 Ultra?

The Nubia Z50S Pro leads on camera score (51/100 vs 32/100).

Which is more powerful: the Nubia Z50S Pro or the Redmi K90 Ultra?

The Redmi K90 Ultra leads on performance (65/100 vs 0/100).

Should you choose the Nubia Z50S Pro over the Redmi K90 Ultra?

The Nubia Z50S Pro is a better fit for everyday use. The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers.