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; launch prices were $504 and $723. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 75/100 (a 14-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 (3,760,662 vs 3,703,823).

The Vivo X300s is noticeably better than the Redmi K90 Max — the overall rating gap is 14 points.

Profile comparison

Category scores

Redmi K90 Max

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

Vivo X300s

Performance 95
Display 94
Camera 94
Battery 83
Portability 42
Value for money 92

What makes Redmi K90 Max better?

  • Higher AnTuTu: 3760662 vs 3703823
  • Bigger battery: 8550 vs 7100 mAh
  • Faster charging: 100W vs 90W
  • Higher refresh rate: 165Hz vs 144Hz
  • Cheaper at launch: $504 vs $723

  • Higher performance (96/100 vs 95/100)

What makes Vivo X300s better?

  • Better main camera: 200MP vs 50MP
  • Lighter: 217g vs 227g

  • Better camera (94/100 vs 37/100)
  • Longer battery life (83/100 vs 78/100)
  • Better portability (42/100 vs 41/100)

Comparison verdict

Comparing the Redmi K90 Max vs the Vivo X300s, the Vivo X300s scores 14 points higher (89/100 vs 75/100). In the "camera" category, the Vivo X300s leads (94/100 vs 37/100). Value score: Redmi K90 Max — 72/100, Vivo X300s — 92/100; 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 Redmi K90 Max and the Vivo X300s are nearly equal (96/100 vs 95/100). In the "display" category, both devices are on the same level — 94/100. In the "camera" category, the Vivo X300s significantly outperforms the Redmi K90 Max (94/100 vs 37/100). In the "battery" category, the Vivo X300s is a bit better (83/100 vs 78/100). In the "portability" category, the Vivo X300s and the Redmi K90 Max are nearly equal (42/100 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 X300s: The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Redmi K90 Max Vivo X300s
Processor MediaTek Dimensity 9500 Dimensity 9500
AnTuTu 3760662 3703823
Geekbench Single 3293 3293
Geekbench Multi 10243 10243
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
Launch price $504 $723

Camera comparison

Redmi K90 Max

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

Vivo X300s

  • Main: 200MP 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
94
display

Vivo X300s

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

Battery and charging

Redmi K90 Max

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

Vivo X300s

  • 7100 mAh
  • Wired: 90W
  • Wireless: 40W
83
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
75/100
3760662 AnTuTu
Vivo X300s Dimensity 9500
89/100 -1.5%
3703823 AnTuTu

Redmi K90 Max leads Vivo X300s by 1.5% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K90 Max

$504

Vivo X300s

$723

Launch price difference: $219. Redmi K90 Max was $219 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Redmi K90 Max and the Vivo X300s are nearly equal (96/100 vs 95/100).

display

In the "display" category, both devices are on the same level — 94/100.

camera

In the "camera" category, the Vivo X300s significantly outperforms the Redmi K90 Max (94/100 vs 37/100).

battery

In the "battery" category, the Vivo X300s is a bit better (83/100 vs 78/100).

portability

In the "portability" category, the Vivo X300s and the Redmi K90 Max are nearly equal (42/100 vs 41/100).

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 14 points.

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

The Redmi K90 Max has a MobileRank rating of 75/100, the Vivo X300s — 89/100.

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

The Vivo X300s leads on camera score (94/100 vs 37/100).

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