Redmi K90 vs Vivo iQOO 15T

The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500; launch prices were $401 and $499. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 76/100 (a 6-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 7100); the main camera is 50 MP vs 200 MP; the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 3,077,585).

The Vivo iQOO 15T edges out the Redmi K90 by just 6 points — the two devices are very close in overall level.

Profile comparison

Category scores

Redmi K90

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

Vivo iQOO 15T

Performance 97
Display 99
Camera 65
Battery 75
Portability 44
Value for money 86

What makes Redmi K90 better?

  • Lighter: 206g vs 216g
  • Cheaper at launch: $401 vs $499

  • Better portability (55/100 vs 44/100)

What makes Vivo iQOO 15T better?

  • Higher AnTuTu: 4704310 vs 3077585
  • Better Geekbench Single: 3293 vs 3013
  • Better Geekbench Multi: 10243 vs 9287
  • Bigger battery: 8000 vs 7100 mAh
  • Better main camera: 200MP vs 50MP
  • Higher refresh rate: 144Hz vs 120Hz

  • Higher performance (97/100 vs 91/100)
  • Better camera (65/100 vs 58/100)
  • Longer battery life (75/100 vs 72/100)
  • Better display (99/100 vs 82/100)

Comparison verdict

Comparing the Redmi K90 vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 6 points higher (82/100 vs 76/100). Value score: Redmi K90 — 80/100, Vivo iQOO 15T — 86/100; 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 15T is a bit better (97/100 vs 91/100). In the "display" category, the Vivo iQOO 15T notably outperforms the Redmi K90 (99/100 vs 82/100). In the "camera" category, the Vivo iQOO 15T is a bit better (65/100 vs 58/100). In the "battery" category, the Vivo iQOO 15T and the Redmi K90 are nearly equal (75/100 vs 72/100). In the "portability" category, the Redmi K90 is a bit better (55/100 vs 44/100).

Redmi K90: The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.
Vivo iQOO 15T: The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Redmi K90 Vivo iQOO 15T
Processor Qualcomm Snapdragon 8 Elite MediaTek Dimensity 9500
AnTuTu 3077585 4704310
Geekbench Single 3013 3293
Geekbench Multi 9287 10243
Display 6.6" AMOLED 6.8" LTPO AMOLED
Resolution 2510x1156 1440x3168
Refresh rate 120 Hz 144 Hz
Battery 7100 mAh 8000 mAh
Charging 100W 100W
Main camera 50 MP 200 MP
Ultrawide 8 MP 50 MP
Telephoto 50 MP 0 MP
Front camera 20 MP 16 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB 256GB / 512GB / 1TB
OS Android 16 Android 16
Brightness (peak) 3500 nits —
NFC yes yes
Protection IP68 IP68
Dimensions 157.5×75.3×8.0 mm —
Weight 206 g 216 g
Launch price $401 $499

Camera comparison

Redmi K90

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

Vivo iQOO 15T

  • Main: 200MP f/1.8
  • Ultrawide: 50MP
  • Front: 16MP
65
camera

Display comparison

Redmi K90

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

Vivo iQOO 15T

  • 6.8" LTPO AMOLED
  • Resolution: 1440x3168
  • Refresh rate: 144 Hz
99
display

Battery and charging

Redmi K90

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

Vivo iQOO 15T

  • 8000 mAh
  • Wired: 100W
  • No wireless charging
75
battery

Overall performance score

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

Redmi K90 Qualcomm Snapdragon 8 Elite
76/100
3077585 AnTuTu
Vivo iQOO 15T MediaTek Dimensity 9500
82/100 +34.6%
4704310 AnTuTu

Vivo iQOO 15T leads Redmi K90 by 34.6% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K90

$401

Vivo iQOO 15T

$499

Launch price difference: $98. Redmi K90 was $98 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 15T is a bit better (97/100 vs 91/100).

display

In the "display" category, the Vivo iQOO 15T notably outperforms the Redmi K90 (99/100 vs 82/100).

camera

In the "camera" category, the Vivo iQOO 15T is a bit better (65/100 vs 58/100).

battery

In the "battery" category, the Vivo iQOO 15T and the Redmi K90 are nearly equal (75/100 vs 72/100).

portability

In the "portability" category, the Redmi K90 is a bit better (55/100 vs 44/100).

Frequently asked questions

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

The Vivo iQOO 15T edges out the Redmi K90 by just 6 points — the two devices are very close in overall level.

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

The Redmi K90 has a MobileRank rating of 76/100, the Vivo iQOO 15T — 82/100.

Which has the better camera: the Redmi K90 or the Vivo iQOO 15T?

The Vivo iQOO 15T leads on camera score (65/100 vs 58/100).

Which is more powerful: the Redmi K90 or the Vivo iQOO 15T?

The Vivo iQOO 15T leads on performance (97/100 vs 91/100).

Should you choose the Redmi K90 over the Vivo iQOO 15T?

The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.