Nubia Z50 Ultra vs Redmi K90 Max

The Nubia Z50 Ultra (2023) runs on the Qualcomm Snapdragon 8 Gen 2, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500; estimated prices are $570 and $504. By overall MobileRank rating, the Redmi K90 Max leads — 67/100 vs 57/100 (a 10-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5000); the main camera is 64 MP vs 50 MP; the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 1,842,269).

The Redmi K90 Max is noticeably better than the Nubia Z50 Ultra — the overall rating gap is 10 points.
Profile comparison
Category scores
Nubia Z50 Ultra
Performance 31
Display 100
Camera 83
Battery 51
Design 15
Value for money 71
Redmi K90 Max
Performance 82
Display 100
Camera 32
Battery 77
Design 16
Value for money 75
What makes Nubia Z50 Ultra better?
  • Better main camera: 64MP vs 50MP

  • Better camera (83/100 vs 32/100)
What makes Redmi K90 Max better?
  • Higher AnTuTu: 3803420 vs 1842269
  • Better Geekbench Single: 3228 vs 2004
  • Better Geekbench Multi: 9553 vs 5311
  • Bigger battery: 8550 vs 5000 mAh
  • Faster charging: 100W vs 80W
  • Higher refresh rate: 165Hz vs 120Hz
  • Lighter: 227g vs 228g
  • Cheaper: $504 vs $570

  • Higher performance (82/100 vs 31/100)
  • Longer battery life (77/100 vs 51/100)
  • Better design/ergonomics (16/100 vs 15/100)
  • Better value for money (75/100 vs 71/100)
Comparison verdict

Comparing the Nubia Z50 Ultra vs the Redmi K90 Max, the Redmi K90 Max scores 10 points higher (67/100 vs 57/100). In the "performance" category, the Redmi K90 Max leads (82/100 vs 31/100). In the "camera" category, the Nubia Z50 Ultra leads (83/100 vs 32/100). In the "battery" category, the Redmi K90 Max leads (77/100 vs 51/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Nubia Z50 Ultra (82/100 vs 31/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Nubia Z50 Ultra significantly outperforms the Redmi K90 Max (83/100 vs 32/100). In the "battery" category, the Redmi K90 Max notably outperforms the Nubia Z50 Ultra (77/100 vs 51/100). In the "design" category, the Redmi K90 Max and the Nubia Z50 Ultra are nearly equal (16/100 vs 15/100). In the "value for money" category, the Redmi K90 Max and the Nubia Z50 Ultra are nearly equal (75/100 vs 71/100).

Nubia Z50 Ultra: The Nubia Z50 Ultra is a better fit for mobile photography enthusiasts.
Redmi K90 Max: The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification Nubia Z50 Ultra Redmi K90 Max
Processor Qualcomm Snapdragon 8 Gen 2 MediaTek Dimensity 9500
AnTuTu 1842269 3803420
Geekbench Single 2004 3228
Geekbench Multi 5311 9553
Display 6.8" AMOLED 6.8" AMOLED
Resolution 1116x2480 2772x1280
Refresh rate 120 Hz 165 Hz
Battery 5000 mAh 8550 mAh
Charging 80W 100W
Main camera 64 MP 50 MP
Ultrawide 50 MP 8 MP
Telephoto 64 MP 0 MP
Front camera 16 MP 20 MP
RAM 8GB / 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB / 1TB 256GB / 512GB / 1TB
OS Android 13, MyOS 13 Android 16
Brightness (peak) 1500 nits 3500 nits
NFC yes yes
Protection IP66
Dimensions 163.9×76.3×8.3 mm 162.9×77.9×8.1 mm
Weight 228 g 227 g
Price $570 $504
Camera comparison
Nubia Z50 Ultra
  • Main: 64MP f/f/1.6
  • Ultrawide: 50MP
  • Telephoto: 64MP
  • Front: 16MP
83
camera
Redmi K90 Max
  • Main: 50MP f/f/1.68
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Display comparison
Nubia Z50 Ultra
  • 6.8" AMOLED
  • Resolution: 1116x2480
  • Refresh rate: 120 Hz
100
display
Redmi K90 Max
  • 6.8" AMOLED
  • Resolution: 2772x1280
  • Refresh rate: 165 Hz
100
display
Battery and charging
Nubia Z50 Ultra
  • 5000 mAh
  • Wired: 80W
  • No wireless charging
51
battery
Redmi K90 Max
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
77
battery
Overall performance score

We compared Nubia Z50 Ultra and Redmi K90 Max, covering their specs and all relevant benchmarks.

Nubia Z50 Ultra Qualcomm Snapdragon 8 Gen 2
57/100
1842269 AnTuTu
Redmi K90 Max MediaTek Dimensity 9500
67/100 +51.6%
3803420 AnTuTu

Redmi K90 Max leads Nubia Z50 Ultra by 51.6% in our overall performance rating.

Benchmarks
Price and availability
Nubia Z50 Ultra
$570
Redmi K90 Max
$504

Price difference: $66. Redmi K90 Max is cheaper by $66.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Max significantly outperforms the Nubia Z50 Ultra (82/100 vs 31/100).

display

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

camera

In the "camera" category, the Nubia Z50 Ultra significantly outperforms the Redmi K90 Max (83/100 vs 32/100).

battery

In the "battery" category, the Redmi K90 Max notably outperforms the Nubia Z50 Ultra (77/100 vs 51/100).

design

In the "design" category, the Redmi K90 Max and the Nubia Z50 Ultra are nearly equal (16/100 vs 15/100).

value for money

In the "value for money" category, the Redmi K90 Max and the Nubia Z50 Ultra are nearly equal (75/100 vs 71/100).

Frequently asked questions
Which is better: the Nubia Z50 Ultra or the Redmi K90 Max?

The Redmi K90 Max is noticeably better than the Nubia Z50 Ultra — the overall rating gap is 10 points.

What is the rating of the Nubia Z50 Ultra and the Redmi K90 Max?

The Nubia Z50 Ultra has a MobileRank rating of 57/100, the Redmi K90 Max — 67/100.

Which has the better camera: the Nubia Z50 Ultra or the Redmi K90 Max?

The Nubia Z50 Ultra leads on camera score (83/100 vs 32/100).

Which is more powerful: the Nubia Z50 Ultra or the Redmi K90 Max?

The Redmi K90 Max leads on performance (82/100 vs 31/100).

Should you choose the Nubia Z50 Ultra over the Redmi K90 Max?

The Nubia Z50 Ultra is a better fit for mobile photography enthusiasts. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.