Nubia Z80 Ultra vs Redmi K90

The Nubia Z80 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $749 and $401. By overall MobileRank rating, the Nubia Z80 Ultra leads — 85/100 vs 76/100 (a 9-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 6500); the Nubia Z80 Ultra is faster in AnTuTu (3,942,923 vs 3,077,585); the Redmi K90 is noticeably lighter (206g vs 225g).

The Nubia Z80 Ultra edges out the Redmi K90 by just 9 points — the two devices are very close in overall level.

Profile comparison

Category scores

Nubia Z80 Ultra

Performance 98
Display 83
Camera 79
Battery 81
Portability 38
Value for money 84

Redmi K90

Performance 91
Display 82
Camera 58
Battery 72
Portability 55
Value for money 80

What makes Nubia Z80 Ultra better?

  • Higher AnTuTu: 3942923 vs 3077585
  • Better Geekbench Single: 3639 vs 3013
  • Better Geekbench Multi: 11047 vs 9287

  • Higher performance (98/100 vs 91/100)
  • Better camera (79/100 vs 58/100)
  • Longer battery life (81/100 vs 72/100)
  • Better display (83/100 vs 82/100)

What makes Redmi K90 better?

  • Bigger battery: 7100 vs 6500 mAh
  • Faster charging: 100W vs 80W
  • Lighter: 206g vs 225g
  • Cheaper at launch: $401 vs $749

  • Better portability (55/100 vs 38/100)

Comparison verdict

Comparing the Nubia Z80 Ultra vs the Redmi K90, the Nubia Z80 Ultra scores 9 points higher (85/100 vs 76/100). In the "camera" category, the Nubia Z80 Ultra leads (79/100 vs 58/100). Value score: Nubia Z80 Ultra — 84/100, Redmi K90 — 80/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Nubia Z80 Ultra is a bit better (98/100 vs 91/100). In the "display" category, the Nubia Z80 Ultra and the Redmi K90 are nearly equal (83/100 vs 82/100). In the "camera" category, the Nubia Z80 Ultra notably outperforms the Redmi K90 (79/100 vs 58/100). In the "battery" category, the Nubia Z80 Ultra is a bit better (81/100 vs 72/100). In the "portability" category, the Redmi K90 notably outperforms the Nubia Z80 Ultra (55/100 vs 38/100).

Nubia Z80 Ultra: The Nubia Z80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Redmi K90: The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.

Specs comparison

Specification Nubia Z80 Ultra Redmi K90
Processor Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 8 Elite
AnTuTu 3942923 3077585
Geekbench Single 3639 3013
Geekbench Multi 11047 9287
Display 6.8" LTPO AMOLED 6.6" AMOLED
Resolution 2688x1216 2510x1156
Refresh rate 120 Hz 120 Hz
Battery 6500 mAh 7100 mAh
Charging 80W 100W
Wireless charging 80W 0W
Main camera 50 MP 50 MP
Ultrawide 50 MP 8 MP
Telephoto 64 MP 50 MP
Front camera 16 MP 20 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB / 1TB 256GB / 512GB
OS Android 16 Android 16
Brightness (peak) 2000 nits 3500 nits
NFC yes yes
Protection IP68 IP68
Dimensions 164.5×77.2×8.6 mm 157.5×75.3×8.0 mm
Weight 225 g 206 g
Launch price $749 $401

Camera comparison

Nubia Z80 Ultra

  • Main: 50MP f/1.59
  • Ultrawide: 50MP
  • Telephoto: 64MP
  • Front: 16MP
79
camera

Redmi K90

  • Main: 50MP f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
58
camera

Display comparison

Nubia Z80 Ultra

  • 6.8" LTPO AMOLED
  • Resolution: 2688x1216
  • Refresh rate: 120 Hz
83
display

Redmi K90

  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
82
display

Battery and charging

Nubia Z80 Ultra

  • 6500 mAh
  • NanoReview test: web browsing 14:17 hrs, total 34:15 hrs
  • Wired: 80W
  • Wireless: 80W
81
battery

Redmi K90

  • 7100 mAh
  • Wired: 100W
  • No wireless charging
72
battery

Overall performance score

We compared Nubia Z80 Ultra and Redmi K90, covering their specs and all relevant benchmarks.

Nubia Z80 Ultra Qualcomm Snapdragon 8 Elite Gen 5
85/100
3942923 AnTuTu
Redmi K90 Qualcomm Snapdragon 8 Elite
76/100 -28.1%
3077585 AnTuTu

Nubia Z80 Ultra leads Redmi K90 by 28.1% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Nubia Z80 Ultra

$749

Redmi K90

$401

Launch price difference: $348. Redmi K90 was $348 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Nubia Z80 Ultra is a bit better (98/100 vs 91/100).

display

In the "display" category, the Nubia Z80 Ultra and the Redmi K90 are nearly equal (83/100 vs 82/100).

camera

In the "camera" category, the Nubia Z80 Ultra notably outperforms the Redmi K90 (79/100 vs 58/100).

battery

In the "battery" category, the Nubia Z80 Ultra is a bit better (81/100 vs 72/100).

portability

In the "portability" category, the Redmi K90 notably outperforms the Nubia Z80 Ultra (55/100 vs 38/100).

Frequently asked questions

Which is better: the Nubia Z80 Ultra or the Redmi K90?

The Nubia Z80 Ultra edges out the Redmi K90 by just 9 points — the two devices are very close in overall level.

What is the rating of the Nubia Z80 Ultra and the Redmi K90?

The Nubia Z80 Ultra has a MobileRank rating of 85/100, the Redmi K90 — 76/100.

Which has the better camera: the Nubia Z80 Ultra or the Redmi K90?

The Nubia Z80 Ultra leads on camera score (79/100 vs 58/100).

Which is more powerful: the Nubia Z80 Ultra or the Redmi K90?

The Nubia Z80 Ultra leads on performance (98/100 vs 91/100).

Should you choose the Nubia Z80 Ultra over the Redmi K90?

The Nubia Z80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.