Redmi K90 Ultra vs Vivo iQOO Z9 (India)

The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO Z9 (India) (2024) runs on the MediaTek Dimensity 7200. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 53/100 (a 20-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 971,424); the Redmi K90 Ultra has NFC for contactless payments, the Vivo iQOO Z9 (India) doesn't; the Vivo iQOO Z9 (India) is noticeably lighter (188g vs 227g).

The Redmi K90 Ultra significantly outperforms the Vivo iQOO Z9 (India) by 20 points (73/100 vs 53/100).

Profile comparison

Category scores

Redmi K90 Ultra

Performance 92
Display 94
Camera 37
Battery 78
Portability 40
Value for money 72

Vivo iQOO Z9 (India)

Performance 57
Display 79
Camera 32
Battery 48
Portability 68
Value for money —

What makes Redmi K90 Ultra better?

  • Higher AnTuTu: 3233695 vs 971424
  • Better Geekbench Single: 3013 vs 1167
  • Better Geekbench Multi: 9287 vs 2577
  • Bigger battery: 8550 vs 5000 mAh
  • Faster charging: 100W vs 44W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (92/100 vs 57/100)
  • Better camera (37/100 vs 32/100)
  • Longer battery life (78/100 vs 48/100)
  • Better display (94/100 vs 79/100)

What makes Vivo iQOO Z9 (India) better?

  • Lighter: 188g vs 227g

  • Better portability (68/100 vs 40/100)

Comparison verdict

Comparing the Redmi K90 Ultra vs the Vivo iQOO Z9 (India), the Redmi K90 Ultra scores 20 points higher (73/100 vs 53/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 57/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 48/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo iQOO Z9 (India) (92/100 vs 57/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo iQOO Z9 (India) (94/100 vs 79/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo iQOO Z9 (India) (78/100 vs 48/100). In the "portability" category, the Vivo iQOO Z9 (India) notably outperforms the Redmi K90 Ultra (68/100 vs 40/100).

Redmi K90 Ultra: The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.

Specs comparison

Specification Redmi K90 Ultra Vivo iQOO Z9 (India)
Processor Qualcomm Snapdragon 8 Elite MediaTek Dimensity 7200
AnTuTu 3233695 971424
Geekbench Single 3013 1167
Geekbench Multi 9287 2577
Display 6.8" AMOLED 6.7" AMOLED
Resolution 1280x2772 1080x2400
Refresh rate 165 Hz 120 Hz
Battery 8550 mAh 5000 mAh
Charging 100W 44W
Main camera 50 MP 50 MP
Ultrawide 8 MP 0 MP
Front camera 20 MP 16 MP
RAM 12GB / 16GB 8GB
Storage 256GB / 512GB 128GB / 256GB
OS Android 16 Android 14, Funtouch 14
Brightness (peak) 3500 nits 1800 nits
NFC yes no
Protection IP68/IP69 IP54
Dimensions 162.9×77.9×8.2 mm 163.2×75.8×7.8 mm
Weight 227 g 188 g
Launch price $420 —

Camera comparison

Redmi K90 Ultra

  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Vivo iQOO Z9 (India)

  • Main: 50MP f/1.8
  • Front: 16MP
32
camera

Display comparison

Redmi K90 Ultra

  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display

Vivo iQOO Z9 (India)

  • 6.7" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 120 Hz
79
display

Battery and charging

Redmi K90 Ultra

  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery

Vivo iQOO Z9 (India)

  • 5000 mAh
  • Wired: 44W
  • No wireless charging
48
battery

Overall performance score

We compared Redmi K90 Ultra and Vivo iQOO Z9 (India), covering their specs and all relevant benchmarks.

Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100
3233695 AnTuTu
Vivo iQOO Z9 (India) MediaTek Dimensity 7200
53/100 -232.9%
971424 AnTuTu

Redmi K90 Ultra leads Vivo iQOO Z9 (India) by 232.9% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K90 Ultra

$420

Vivo iQOO Z9 (India)

Price unknown

Detailed category analysis

performance

In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo iQOO Z9 (India) (92/100 vs 57/100).

display

In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo iQOO Z9 (India) (94/100 vs 79/100).

camera

In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 32/100).

battery

In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo iQOO Z9 (India) (78/100 vs 48/100).

portability

In the "portability" category, the Vivo iQOO Z9 (India) notably outperforms the Redmi K90 Ultra (68/100 vs 40/100).

Frequently asked questions

Which is better: the Redmi K90 Ultra or the Vivo iQOO Z9 (India)?

The Redmi K90 Ultra significantly outperforms the Vivo iQOO Z9 (India) by 20 points (73/100 vs 53/100).

What is the rating of the Redmi K90 Ultra and the Vivo iQOO Z9 (India)?

The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo iQOO Z9 (India) — 53/100.

Which has the better camera: the Redmi K90 Ultra or the Vivo iQOO Z9 (India)?

The Redmi K90 Ultra leads on camera score (37/100 vs 32/100).

Which is more powerful: the Redmi K90 Ultra or the Vivo iQOO Z9 (India)?

The Redmi K90 Ultra leads on performance (92/100 vs 57/100).

Should you choose the Redmi K90 Ultra over the Vivo iQOO Z9 (India)?

The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.