Redmi K90 Ultra vs Vivo iQOO 15R

The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO 15R (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $420 and $450. Both devices score the same overall rating of 73/100. Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6500); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 2,817,788); the Vivo iQOO 15R is noticeably lighter (197g vs 227g).

Both devices scored the same rating of 73/100 — the choice comes down to your priorities.

Profile comparison

Category scores

Redmi K90 Ultra

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

Vivo iQOO 15R

Performance 93
Display 94
Camera 35
Battery 74
Portability 62
Value for money 70

What makes Redmi K90 Ultra better?

  • Higher AnTuTu: 3233695 vs 2817788
  • Bigger battery: 8550 vs 6500 mAh
  • Higher refresh rate: 165Hz vs 144Hz
  • Cheaper at launch: $420 vs $450

  • Better camera (37/100 vs 35/100)
  • Longer battery life (78/100 vs 74/100)

What makes Vivo iQOO 15R better?

  • Better Geekbench Single: 3639 vs 3013
  • Better Geekbench Multi: 11047 vs 9287
  • Faster charging: 120W vs 100W
  • Lighter: 197g vs 227g

  • Higher performance (93/100 vs 92/100)
  • Better portability (62/100 vs 40/100)

Comparison verdict

The Redmi K90 Ultra and the Vivo iQOO 15R received the same MobileRank rating — 73/100. Value score: Redmi K90 Ultra — 72/100, Vivo iQOO 15R — 70/100; 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 15R and the Redmi K90 Ultra are nearly equal (93/100 vs 92/100). In the "display" category, both devices are on the same level — 94/100. In the "camera" category, the Redmi K90 Ultra and the Vivo iQOO 15R are nearly equal (37/100 vs 35/100). In the "battery" category, the Redmi K90 Ultra and the Vivo iQOO 15R are nearly equal (78/100 vs 74/100). In the "portability" category, the Vivo iQOO 15R notably outperforms the Redmi K90 Ultra (62/100 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 15R: The Vivo iQOO 15R is a better fit for gamers and power users.

Specs comparison

Specification Redmi K90 Ultra Vivo iQOO 15R
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 3233695 2817788
Geekbench Single 3013 3639
Geekbench Multi 9287 11047
Display 6.8" AMOLED 6.8" LTPO AMOLED
Resolution 1280x2772 2800x1260
Refresh rate 165 Hz 144 Hz
Battery 8550 mAh 6500 mAh
Charging 100W 120W
Main camera 50 MP 50 MP
Ultrawide 8 MP 8 MP
Front camera 20 MP 16 MP
RAM 12GB / 16GB 8GB / 12GB / 16GB
Storage 256GB / 512GB 256GB / 512GB
OS Android 16 Android 16
Brightness (peak) 3500 nits 5000 nits
NFC yes yes
Protection IP68/IP69 IP68
Dimensions 162.9×77.9×8.2 mm 157.6×74.4×7.9 mm
Weight 227 g 197 g
Launch price $420 $450

Camera comparison

Redmi K90 Ultra

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

Vivo iQOO 15R

  • Main: 50MP f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
35
camera

Display comparison

Redmi K90 Ultra

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

Vivo iQOO 15R

  • 6.8" LTPO AMOLED
  • Resolution: 2800x1260
  • Refresh rate: 144 Hz
94
display

Battery and charging

Redmi K90 Ultra

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

Vivo iQOO 15R

  • 6500 mAh
  • Wired: 120W
  • No wireless charging
74
battery

Overall performance score

We compared Redmi K90 Ultra and Vivo iQOO 15R, covering their specs and all relevant benchmarks.

Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100
3233695 AnTuTu
Vivo iQOO 15R Qualcomm Snapdragon 8 Elite Gen 5
73/100 -14.8%
2817788 AnTuTu

Redmi K90 Ultra leads Vivo iQOO 15R by 14.8% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K90 Ultra

$420

Vivo iQOO 15R

$450

Launch price difference: $30. Redmi K90 Ultra was $30 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 15R and the Redmi K90 Ultra are nearly equal (93/100 vs 92/100).

display

In the "display" category, both devices are on the same level — 94/100.

camera

In the "camera" category, the Redmi K90 Ultra and the Vivo iQOO 15R are nearly equal (37/100 vs 35/100).

battery

In the "battery" category, the Redmi K90 Ultra and the Vivo iQOO 15R are nearly equal (78/100 vs 74/100).

portability

In the "portability" category, the Vivo iQOO 15R notably outperforms the Redmi K90 Ultra (62/100 vs 40/100).

Frequently asked questions

Which is better: the Redmi K90 Ultra or the Vivo iQOO 15R?

Both devices scored 73/100. The choice depends on your priorities: if performance matters more — go with the Vivo iQOO 15R (93/100 vs 92/100).

What is the rating of the Redmi K90 Ultra and the Vivo iQOO 15R?

The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo iQOO 15R — 73/100.

Should you choose the Redmi K90 Ultra over the Vivo iQOO 15R?

The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo iQOO 15R is a better fit for gamers and power users.