Redmi K90 Max vs Vivo X300s

The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the Vivo X300s (2026) runs on the Dimensity 9500; estimated prices are $504 and $723. By overall MobileRank rating, the Vivo X300s leads — 82/100 vs 67/100 (a 15-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 7100); the main camera is 50 MP vs 200 MP; the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 3,703,823).

The Vivo X300s is noticeably better than the Redmi K90 Max — the overall rating gap is 15 points.
Profile comparison
Category scores
Redmi K90 Max
Performance 82
Display 100
Camera 32
Battery 77
Design 16
Value for money 75
Vivo X300s
Performance 80
Display 100
Camera 94
Battery 76
Design 28
Value for money 60
What makes Redmi K90 Max better?
  • Higher AnTuTu: 3803420 vs 3703823
  • Bigger battery: 8550 vs 7100 mAh
  • Faster charging: 100W vs 90W
  • Higher refresh rate: 165Hz vs 144Hz
  • Cheaper: $504 vs $723

  • Higher performance (82/100 vs 80/100)
  • Longer battery life (77/100 vs 76/100)
  • Better value for money (75/100 vs 60/100)
What makes Vivo X300s better?
  • Better main camera: 200MP vs 50MP
  • Lighter: 217g vs 227g

  • Better camera (94/100 vs 32/100)
  • Better design/ergonomics (28/100 vs 16/100)
Comparison verdict

Comparing the Redmi K90 Max vs the Vivo X300s, the Vivo X300s scores 15 points higher (82/100 vs 67/100). In the "camera" category, the Vivo X300s leads (94/100 vs 32/100). In the "value for money" category, the Redmi K90 Max leads (75/100 vs 60/100). In the "performance" category, the Redmi K90 Max and the Vivo X300s are nearly equal (82/100 vs 80/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo X300s significantly outperforms the Redmi K90 Max (94/100 vs 32/100). In the "battery" category, the Redmi K90 Max and the Vivo X300s are nearly equal (77/100 vs 76/100). In the "design" category, the Vivo X300s is a bit better (28/100 vs 16/100). In the "value for money" category, the Redmi K90 Max notably outperforms the Vivo X300s (75/100 vs 60/100).

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 X300s: The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.
Specs comparison
Specification Redmi K90 Max Vivo X300s
Processor MediaTek Dimensity 9500 Dimensity 9500
AnTuTu 3803420 3703823
Geekbench Single 3228 3228
Geekbench Multi 9553 9553
Display 6.8" AMOLED 6.8" LTPO AMOLED
Resolution 2772x1280 2800x1260
Refresh rate 165 Hz 144 Hz
Battery 8550 mAh 7100 mAh
Charging 100W 90W
Wireless charging 0W 40W
Main camera 50 MP 200 MP
Ultrawide 8 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 20 MP 50 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB / 1TB 256GB / 512GB / 1TB
OS Android 16 Android 16 / OriginOS 6
Brightness (peak) 3500 nits
NFC yes
Protection IP66
Dimensions 162.9×77.9×8.1 mm
Weight 227 g 217 g
Price $504 $723
Camera comparison
Redmi K90 Max
  • Main: 50MP f/f/1.68
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Vivo X300s
  • Main: 200MP f/f/1.7
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 50MP
94
camera
Display comparison
Redmi K90 Max
  • 6.8" AMOLED
  • Resolution: 2772x1280
  • Refresh rate: 165 Hz
100
display
Vivo X300s
  • 6.8" LTPO AMOLED
  • Resolution: 2800x1260
  • Refresh rate: 144 Hz
100
display
Battery and charging
Redmi K90 Max
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
77
battery
Vivo X300s
  • 7100 mAh
  • Wired: 90W
  • Wireless: 40W
76
battery
Overall performance score

We compared Redmi K90 Max and Vivo X300s, covering their specs and all relevant benchmarks.

Redmi K90 Max MediaTek Dimensity 9500
67/100
3803420 AnTuTu
Vivo X300s Dimensity 9500
82/100 -2.7%
3703823 AnTuTu

Redmi K90 Max leads Vivo X300s by 2.7% in our overall performance rating.

Benchmarks
Price and availability
Redmi K90 Max
$504
Vivo X300s
$723

Price difference: $219. Redmi K90 Max is cheaper by $219.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Max and the Vivo X300s are nearly equal (82/100 vs 80/100).

display

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

camera

In the "camera" category, the Vivo X300s significantly outperforms the Redmi K90 Max (94/100 vs 32/100).

battery

In the "battery" category, the Redmi K90 Max and the Vivo X300s are nearly equal (77/100 vs 76/100).

design

In the "design" category, the Vivo X300s is a bit better (28/100 vs 16/100).

value for money

In the "value for money" category, the Redmi K90 Max notably outperforms the Vivo X300s (75/100 vs 60/100).

Frequently asked questions
Which is better: the Redmi K90 Max or the Vivo X300s?

The Vivo X300s is noticeably better than the Redmi K90 Max — the overall rating gap is 15 points.

What is the rating of the Redmi K90 Max and the Vivo X300s?

The Redmi K90 Max has a MobileRank rating of 67/100, the Vivo X300s — 82/100.

Which has the better camera: the Redmi K90 Max or the Vivo X300s?

The Vivo X300s leads on camera score (94/100 vs 32/100).

Should you choose the Redmi K90 Max over the Vivo X300s?

The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.