Redmi K90 vs Vivo iQOO 15R

The Redmi K90 (2025) 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 $401 and $450. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 73/100 (a 3-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 6500); the Redmi K90 is faster in AnTuTu (3,077,585 vs 2,817,788).

The Redmi K90 edges out the Vivo iQOO 15R by just 3 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 15R

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

What makes Redmi K90 better?

  • Higher AnTuTu: 3077585 vs 2817788
  • Bigger battery: 7100 vs 6500 mAh
  • Cheaper at launch: $401 vs $450

  • Better camera (58/100 vs 35/100)

What makes Vivo iQOO 15R better?

  • Better Geekbench Single: 3639 vs 3013
  • Better Geekbench Multi: 11047 vs 9287
  • Faster charging: 120W vs 100W
  • Higher refresh rate: 144Hz vs 120Hz
  • Lighter: 197g vs 206g

  • Higher performance (93/100 vs 91/100)
  • Longer battery life (74/100 vs 72/100)
  • Better display (94/100 vs 82/100)
  • Better portability (62/100 vs 55/100)

Comparison verdict

Comparing the Redmi K90 vs the Vivo iQOO 15R, the Redmi K90 scores 3 points higher (76/100 vs 73/100). In the "camera" category, the Redmi K90 leads (58/100 vs 35/100). Value score: Redmi K90 — 80/100, 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 are nearly equal (93/100 vs 91/100). In the "display" category, the Vivo iQOO 15R is a bit better (94/100 vs 82/100). In the "camera" category, the Redmi K90 notably outperforms the Vivo iQOO 15R (58/100 vs 35/100). In the "battery" category, the Vivo iQOO 15R and the Redmi K90 are nearly equal (74/100 vs 72/100). In the "portability" category, the Vivo iQOO 15R is a bit better (62/100 vs 55/100).

Redmi K90: The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.
Vivo iQOO 15R: The Vivo iQOO 15R is a better fit for gamers and power users.

Specs comparison

Specification Redmi K90 Vivo iQOO 15R
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 3077585 2817788
Geekbench Single 3013 3639
Geekbench Multi 9287 11047
Display 6.6" AMOLED 6.8" LTPO AMOLED
Resolution 2510x1156 2800x1260
Refresh rate 120 Hz 144 Hz
Battery 7100 mAh 6500 mAh
Charging 100W 120W
Main camera 50 MP 50 MP
Ultrawide 8 MP 8 MP
Telephoto 50 MP 0 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 IP68
Dimensions 157.5×75.3×8.0 mm 157.6×74.4×7.9 mm
Weight 206 g 197 g
Launch price $401 $450

Camera comparison

Redmi K90

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

Vivo iQOO 15R

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

Display comparison

Redmi K90

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

Vivo iQOO 15R

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

Battery and charging

Redmi K90

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

Vivo iQOO 15R

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

Overall performance score

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

Redmi K90 Qualcomm Snapdragon 8 Elite
76/100
3077585 AnTuTu
Vivo iQOO 15R Qualcomm Snapdragon 8 Elite Gen 5
73/100 -9.2%
2817788 AnTuTu

Redmi K90 leads Vivo iQOO 15R by 9.2% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K90

$401

Vivo iQOO 15R

$450

Launch price difference: $49. Redmi K90 was $49 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 15R and the Redmi K90 are nearly equal (93/100 vs 91/100).

display

In the "display" category, the Vivo iQOO 15R is a bit better (94/100 vs 82/100).

camera

In the "camera" category, the Redmi K90 notably outperforms the Vivo iQOO 15R (58/100 vs 35/100).

battery

In the "battery" category, the Vivo iQOO 15R and the Redmi K90 are nearly equal (74/100 vs 72/100).

portability

In the "portability" category, the Vivo iQOO 15R is a bit better (62/100 vs 55/100).

Frequently asked questions

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

The Redmi K90 edges out the Vivo iQOO 15R by just 3 points — the two devices are very close in overall level.

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

The Redmi K90 has a MobileRank rating of 76/100, the Vivo iQOO 15R — 73/100.

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

The Redmi K90 leads on camera score (58/100 vs 35/100).

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

The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Vivo iQOO 15R is a better fit for gamers and power users.