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; estimated prices are $504 and $599. By overall MobileRank rating, the Vivo iQOO 15 leads — 77/100 vs 67/100 (a 10-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 7000); the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 3,740,528).

The Vivo iQOO 15 is noticeably better than the Redmi K90 Max — the overall rating gap is 10 points.
Profile comparison
Category scores
Redmi K90 Max
Performance 82
Display 100
Camera 32
Battery 77
Design 16
Value for money 75
Vivo iQOO 15
Performance 78
Display 100
Camera 74
Battery 77
Design 31
Value for money 69
What makes Redmi K90 Max better?
  • Higher AnTuTu: 3803420 vs 3740528
  • Better Geekbench Single: 3228 vs 3050
  • Better Geekbench Multi: 9553 vs 9300
  • Bigger battery: 8550 vs 7000 mAh
  • Higher refresh rate: 165Hz vs 144Hz
  • Cheaper: $504 vs $599

  • Higher performance (82/100 vs 78/100)
  • Better value for money (75/100 vs 69/100)
What makes Vivo iQOO 15 better?
  • Lighter: 215g vs 227g

  • Better camera (74/100 vs 32/100)
  • Better design/ergonomics (31/100 vs 16/100)
Comparison verdict

Comparing the Redmi K90 Max vs the Vivo iQOO 15, the Vivo iQOO 15 scores 10 points higher (77/100 vs 67/100). In the "camera" category, the Vivo iQOO 15 leads (74/100 vs 32/100). In the "performance" category, the Redmi K90 Max and the Vivo iQOO 15 are nearly equal (82/100 vs 78/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo iQOO 15 significantly outperforms the Redmi K90 Max (74/100 vs 32/100). In the "battery" category, both devices are on the same level — 77/100. In the "design" category, the Vivo iQOO 15 notably outperforms the Redmi K90 Max (31/100 vs 16/100). In the "value for money" category, the Redmi K90 Max is a bit better (75/100 vs 69/100).

Redmi K90 Max: The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Vivo iQOO 15: The Vivo iQOO 15 is a better fit for active users, those who care about battery life.
Specs comparison
Specification Redmi K90 Max Vivo iQOO 15
Processor MediaTek Dimensity 9500 Qualcomm Snapdragon 8 Elite
AnTuTu 3803420 3740528
Geekbench Single 3228 3050
Geekbench Multi 9553 9300
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
Price $504 $599
Camera comparison
Redmi K90 Max
  • Main: 50MP f/f/1.68
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Vivo iQOO 15
  • Main: 50MP f/f/1.9
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
74
camera
Display comparison
Redmi K90 Max
  • 6.8" AMOLED
  • Resolution: 2772x1280
  • Refresh rate: 165 Hz
100
display
Vivo iQOO 15
  • 6.8" LTPO AMOLED
  • Resolution: 1440x3168
  • Refresh rate: 144 Hz
100
display
Battery and charging
Redmi K90 Max
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
77
battery
Vivo iQOO 15
  • 7000 mAh
  • NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
  • Wired: 100W
  • Wireless: 40W
77
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
67/100
3803420 AnTuTu
Vivo iQOO 15 Qualcomm Snapdragon 8 Elite
77/100 -1.7%
3740528 AnTuTu

Redmi K90 Max leads Vivo iQOO 15 by 1.7% in our overall performance rating.

Benchmarks
Price and availability
Redmi K90 Max
$504
Vivo iQOO 15
$599

Price difference: $95. Redmi K90 Max is cheaper by $95.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Max and the Vivo iQOO 15 are nearly equal (82/100 vs 78/100).

display

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

camera

In the "camera" category, the Vivo iQOO 15 significantly outperforms the Redmi K90 Max (74/100 vs 32/100).

battery

In the "battery" category, both devices are on the same level — 77/100.

design

In the "design" category, the Vivo iQOO 15 notably outperforms the Redmi K90 Max (31/100 vs 16/100).

value for money

In the "value for money" category, the Redmi K90 Max is a bit better (75/100 vs 69/100).

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 10 points.

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

The Redmi K90 Max has a MobileRank rating of 67/100, the Vivo iQOO 15 — 77/100.

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

The Vivo iQOO 15 leads on camera score (74/100 vs 32/100).

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, budget-conscious buyers. The Vivo iQOO 15 is a better fit for active users, those who care about battery life.