Redmi K90 Ultra vs Vivo iQOO 16

The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO 16 (2026) runs on the Qualcomm Snapdragon 8 Elite Extreme Gen 6; launch prices were $420 and $840. By overall MobileRank rating, the Vivo iQOO 16 leads — 89/100 vs 73/100 (a 16-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 8400); the Vivo iQOO 16 is faster in AnTuTu (5,498,720 vs 3,233,695).

The Vivo iQOO 16 is noticeably better than the Redmi K90 Ultra — the overall rating gap is 16 points.

Profile comparison

Category scores

Redmi K90 Ultra

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

Vivo iQOO 16

Performance 100
Display 99
Camera 78
Battery 90
Portability 42
Value for money 92

What makes Redmi K90 Ultra better?

  • Bigger battery: 8550 vs 8400 mAh
  • Cheaper at launch: $420 vs $840

  • Overall rating 73/100

What makes Vivo iQOO 16 better?

  • Higher AnTuTu: 5498720 vs 3233695
  • Better Geekbench Single: 4327 vs 3013
  • Better Geekbench Multi: 12873 vs 9287
  • Lighter: 223g vs 227g

  • Higher performance (100/100 vs 92/100)
  • Better camera (78/100 vs 37/100)
  • Longer battery life (90/100 vs 78/100)
  • Better display (99/100 vs 94/100)
  • Better portability (42/100 vs 40/100)

Comparison verdict

Comparing the Redmi K90 Ultra vs the Vivo iQOO 16, the Vivo iQOO 16 scores 16 points higher (89/100 vs 73/100). In the "camera" category, the Vivo iQOO 16 leads (78/100 vs 37/100). In the "battery" category, the Vivo iQOO 16 leads (90/100 vs 78/100). Value score: Redmi K90 Ultra — 72/100, Vivo iQOO 16 — 92/100; 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 Vivo iQOO 16 is a bit better (100/100 vs 92/100). In the "display" category, the Vivo iQOO 16 is a bit better (99/100 vs 94/100). In the "camera" category, the Vivo iQOO 16 significantly outperforms the Redmi K90 Ultra (78/100 vs 37/100). In the "battery" category, the Vivo iQOO 16 is a bit better (90/100 vs 78/100). In the "portability" category, the Vivo iQOO 16 and the Redmi K90 Ultra are nearly equal (42/100 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 16: The Vivo iQOO 16 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Redmi K90 Ultra Vivo iQOO 16
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite Extreme Gen 6
AnTuTu 3233695 5498720
Geekbench Single 3013 4327
Geekbench Multi 9287 12873
Display 6.8" AMOLED 6.8" AMOLED
Resolution 1280x2772 1440x3168
Refresh rate 165 Hz 165 Hz
Battery 8550 mAh 8400 mAh
Charging 100W 100W
Wireless charging 0W 40W
Main camera 50 MP 50 MP
Ultrawide 8 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 20 MP 32 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB 256GB / 512GB / 1TB
OS Android 16 Android 17
Brightness (peak) 3500 nits 6000 nits
NFC yes yes
Protection IP68/IP69 IP68/IP69
Dimensions 162.9×77.9×8.2 mm 163.8×76.9×8.3 mm
Weight 227 g 223 g
Launch price $420 $840

Camera comparison

Redmi K90 Ultra

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

Vivo iQOO 16

  • Main: 50MP f/1.7
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera

Display comparison

Redmi K90 Ultra

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

Vivo iQOO 16

  • 6.8" AMOLED
  • Resolution: 1440x3168
  • Refresh rate: 165 Hz
99
display

Battery and charging

Redmi K90 Ultra

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

Vivo iQOO 16

  • 8400 mAh
  • Wired: 100W
  • Wireless: 40W
90
battery

Overall performance score

We compared Redmi K90 Ultra and Vivo iQOO 16, covering their specs and all relevant benchmarks.

Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100
3233695 AnTuTu
Vivo iQOO 16 Qualcomm Snapdragon 8 Elite Extreme Gen 6
89/100 +41.2%
5498720 AnTuTu

Vivo iQOO 16 leads Redmi K90 Ultra by 41.2% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K90 Ultra

$420

Vivo iQOO 16

$840

Launch price difference: $420. Redmi K90 Ultra was $420 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 16 is a bit better (100/100 vs 92/100).

display

In the "display" category, the Vivo iQOO 16 is a bit better (99/100 vs 94/100).

camera

In the "camera" category, the Vivo iQOO 16 significantly outperforms the Redmi K90 Ultra (78/100 vs 37/100).

battery

In the "battery" category, the Vivo iQOO 16 is a bit better (90/100 vs 78/100).

portability

In the "portability" category, the Vivo iQOO 16 and the Redmi K90 Ultra are nearly equal (42/100 vs 40/100).

Frequently asked questions

Which is better: the Redmi K90 Ultra or the Vivo iQOO 16?

The Vivo iQOO 16 is noticeably better than the Redmi K90 Ultra — the overall rating gap is 16 points.

What is the rating of the Redmi K90 Ultra and the Vivo iQOO 16?

The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo iQOO 16 — 89/100.

Which has the better camera: the Redmi K90 Ultra or the Vivo iQOO 16?

The Vivo iQOO 16 leads on camera score (78/100 vs 37/100).

Which is more powerful: the Redmi K90 Ultra or the Vivo iQOO 16?

The Vivo iQOO 16 leads on performance (100/100 vs 92/100).

Should you choose the Redmi K90 Ultra over the Vivo iQOO 16?

The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo iQOO 16 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.