Redmi K90 Ultra vs Vivo iQOO Z10

The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO Z10 (2025) runs on the Qualcomm Snapdragon 7s Gen 3. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 58/100 (a 15-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7300); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,032,527); the Redmi K90 Ultra has NFC for contactless payments, the Vivo iQOO Z10 doesn't; the Vivo iQOO Z10 is noticeably lighter (199g vs 227g).

The Redmi K90 Ultra is noticeably better than the Vivo iQOO Z10 — the overall rating gap is 15 points.

Profile comparison

Category scores

Redmi K90 Ultra

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

Vivo iQOO Z10

Performance 60
Display 79
Camera 37
Battery 71
Portability 60
Value for money —

What makes Redmi K90 Ultra better?

  • Higher AnTuTu: 3233695 vs 1032527
  • Better Geekbench Single: 3013 vs 1161
  • Better Geekbench Multi: 9287 vs 3390
  • Bigger battery: 8550 vs 7300 mAh
  • Faster charging: 100W vs 90W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (92/100 vs 60/100)
  • Longer battery life (78/100 vs 71/100)
  • Better display (94/100 vs 79/100)

What makes Vivo iQOO Z10 better?

  • Lighter: 199g vs 227g

  • Better portability (60/100 vs 40/100)

Comparison verdict

Comparing the Redmi K90 Ultra vs the Vivo iQOO Z10, the Redmi K90 Ultra scores 15 points higher (73/100 vs 58/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 60/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo iQOO Z10 (92/100 vs 60/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo iQOO Z10 (94/100 vs 79/100). In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 71/100). In the "portability" category, the Vivo iQOO Z10 notably outperforms the Redmi K90 Ultra (60/100 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.
Vivo iQOO Z10: The Vivo iQOO Z10 is a better fit for active users.

Specs comparison

Specification Redmi K90 Ultra Vivo iQOO Z10
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 7s Gen 3
AnTuTu 3233695 1032527
Geekbench Single 3013 1161
Geekbench Multi 9287 3390
Display 6.8" AMOLED 6.8" AMOLED
Resolution 1280x2772 1080x2392
Refresh rate 165 Hz 120 Hz
Battery 8550 mAh 7300 mAh
Charging 100W 90W
Main camera 50 MP 50 MP
Ultrawide 8 MP 0 MP
Front camera 20 MP 32 MP
RAM 12GB / 16GB 8GB / 12GB
Storage 256GB / 512GB 128GB / 256GB
OS Android 16 Android 15, up to 2 major Android upgrades, Funtouch 15
Brightness (peak) 3500 nits 5000 nits
NFC yes no
Protection IP68/IP69 —
Dimensions 162.9×77.9×8.2 mm 163.4×76.4×7.9 mm
Weight 227 g 199 g
Launch price $420 —

Camera comparison

Redmi K90 Ultra

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

Vivo iQOO Z10

  • Main: 50MP f/1.8
  • Front: 32MP
37
camera

Display comparison

Redmi K90 Ultra

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

Vivo iQOO Z10

  • 6.8" AMOLED
  • Resolution: 1080x2392
  • Refresh rate: 120 Hz
79
display

Battery and charging

Redmi K90 Ultra

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

Vivo iQOO Z10

  • 7300 mAh
  • Wired: 90W
  • No wireless charging
71
battery

Overall performance score

We compared Redmi K90 Ultra and Vivo iQOO Z10, covering their specs and all relevant benchmarks.

Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100
3233695 AnTuTu
Vivo iQOO Z10 Qualcomm Snapdragon 7s Gen 3
58/100 -213.2%
1032527 AnTuTu

Redmi K90 Ultra leads Vivo iQOO Z10 by 213.2% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K90 Ultra

$420

Vivo iQOO Z10

Price unknown

Detailed category analysis

performance

In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo iQOO Z10 (92/100 vs 60/100).

display

In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo iQOO Z10 (94/100 vs 79/100).

camera

In the "camera" category, both devices are on the same level — 37/100.

battery

In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 71/100).

portability

In the "portability" category, the Vivo iQOO Z10 notably outperforms the Redmi K90 Ultra (60/100 vs 40/100).

Frequently asked questions

Which is better: the Redmi K90 Ultra or the Vivo iQOO Z10?

The Redmi K90 Ultra is noticeably better than the Vivo iQOO Z10 — the overall rating gap is 15 points.

What is the rating of the Redmi K90 Ultra and the Vivo iQOO Z10?

The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo iQOO Z10 — 58/100.

Which is more powerful: the Redmi K90 Ultra or the Vivo iQOO Z10?

The Redmi K90 Ultra leads on performance (92/100 vs 60/100).

Should you choose the Redmi K90 Ultra over the Vivo iQOO Z10?

The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo iQOO Z10 is a better fit for active users.