Redmi K90 Max vs Vivo iQOO 15

The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $504 and $599. By overall MobileRank rating, the Vivo iQOO 15 leads — 88/100 vs 75/100 (a 13-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 7000); the Vivo iQOO 15 is faster in AnTuTu (3,950,082 vs 3,760,662).

The Vivo iQOO 15 is noticeably better than the Redmi K90 Max — the overall rating gap is 13 points.

Profile comparison

Category scores

Redmi K90 Max

Performance 96
Display 94
Camera 37
Battery 78
Portability 41
Value for money 72

Vivo iQOO 15

Performance 98
Display 99
Camera 78
Battery 85
Portability 48
Value for money 90

What makes Redmi K90 Max better?

  • Bigger battery: 8550 vs 7000 mAh
  • Higher refresh rate: 165Hz vs 144Hz
  • Cheaper at launch: $504 vs $599

  • Overall rating 75/100

What makes Vivo iQOO 15 better?

  • Higher AnTuTu: 3950082 vs 3760662
  • Better Geekbench Single: 3639 vs 3352
  • Better Geekbench Multi: 11047 vs 10402
  • Lighter: 215g vs 227g

  • Higher performance (98/100 vs 96/100)
  • Better camera (78/100 vs 37/100)
  • Longer battery life (85/100 vs 78/100)
  • Better display (99/100 vs 94/100)
  • Better portability (48/100 vs 41/100)

Comparison verdict

Comparing the Redmi K90 Max vs the Vivo iQOO 15, the Vivo iQOO 15 scores 13 points higher (88/100 vs 75/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 37/100). Value score: Redmi K90 Max — 72/100, Vivo iQOO 15 — 90/100; 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 15 and the Redmi K90 Max are nearly equal (98/100 vs 96/100). In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 94/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Redmi K90 Max (78/100 vs 37/100). In the "battery" category, the Vivo iQOO 15 is a bit better (85/100 vs 78/100). In the "portability" category, the Vivo iQOO 15 is a bit better (48/100 vs 41/100).

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

Specs comparison

Specification Redmi K90 Max Vivo iQOO 15
Processor MediaTek Dimensity 9500 Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 3760662 3950082
Geekbench Single 3352 3639
Geekbench Multi 10402 11047
Display 6.8" AMOLED 6.8" LTPO AMOLED
Resolution 2772x1280 1440x3168
Refresh rate 165 Hz 144 Hz
Battery 8550 mAh 7000 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 / 1TB 256GB / 512GB / 1TB
OS Android 16 Android 16
Brightness (peak) 3500 nits 6000 nits
NFC yes yes
Protection IP66 IP68
Dimensions 162.9×77.9×8.1 mm 163.7×76.8×8.1 mm
Weight 227 g 215 g
Launch price $504 $599

Camera comparison

Redmi K90 Max

  • Main: 50MP f/1.68
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Vivo iQOO 15

  • Main: 50MP f/1.9
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera

Display comparison

Redmi K90 Max

  • 6.8" AMOLED
  • Resolution: 2772x1280
  • Refresh rate: 165 Hz
94
display

Vivo iQOO 15

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

Battery and charging

Redmi K90 Max

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

Vivo iQOO 15

  • 7000 mAh
  • NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
  • Wired: 100W
  • Wireless: 40W
85
battery

Overall performance score

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

Redmi K90 Max MediaTek Dimensity 9500
75/100
3760662 AnTuTu
Vivo iQOO 15 Qualcomm Snapdragon 8 Elite Gen 5
88/100 +4.8%
3950082 AnTuTu

Vivo iQOO 15 leads Redmi K90 Max by 4.8% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K90 Max

$504

Vivo iQOO 15

$599

Launch price difference: $95. Redmi K90 Max was $95 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 15 and the Redmi K90 Max are nearly equal (98/100 vs 96/100).

display

In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 94/100).

camera

In the "camera" category, the Vivo iQOO 15 significantly outperforms the Redmi K90 Max (78/100 vs 37/100).

battery

In the "battery" category, the Vivo iQOO 15 is a bit better (85/100 vs 78/100).

portability

In the "portability" category, the Vivo iQOO 15 is a bit better (48/100 vs 41/100).

Frequently asked questions

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

The Vivo iQOO 15 is noticeably better than the Redmi K90 Max — the overall rating gap is 13 points.

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

The Redmi K90 Max has a MobileRank rating of 75/100, the Vivo iQOO 15 — 88/100.

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

The Vivo iQOO 15 leads on camera score (78/100 vs 37/100).

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

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