Redmi K90 vs Vivo X300s

The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo X300s (2026) runs on the Dimensity 9500; launch prices were $401 and $723. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 76/100 (a 13-point difference). Key differences: the main camera is 50 MP vs 200 MP; the Vivo X300s is faster in AnTuTu (3,703,823 vs 3,077,585).

The Vivo X300s is noticeably better than the Redmi K90 — the overall rating gap is 13 points.

Profile comparison

Category scores

Redmi K90

Performance 91
Display 82
Camera 58
Battery 72
Portability 55
Value for money 80

Vivo X300s

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

What makes Redmi K90 better?

  • Faster charging: 100W vs 90W
  • Lighter: 206g vs 217g
  • Cheaper at launch: $401 vs $723

  • Better portability (55/100 vs 42/100)

What makes Vivo X300s better?

  • Higher AnTuTu: 3703823 vs 3077585
  • Better Geekbench Single: 3293 vs 3013
  • Better Geekbench Multi: 10243 vs 9287
  • Better main camera: 200MP vs 50MP
  • Higher refresh rate: 144Hz vs 120Hz

  • Higher performance (95/100 vs 91/100)
  • Better camera (94/100 vs 58/100)
  • Longer battery life (83/100 vs 72/100)
  • Better display (94/100 vs 82/100)

Comparison verdict

Comparing the Redmi K90 vs the Vivo X300s, the Vivo X300s scores 13 points higher (89/100 vs 76/100). In the "camera" category, the Vivo X300s leads (94/100 vs 58/100). In the "battery" category, the Vivo X300s leads (83/100 vs 72/100). Value score: Redmi K90 — 80/100, 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 Vivo X300s and the Redmi K90 are nearly equal (95/100 vs 91/100). In the "display" category, the Vivo X300s is a bit better (94/100 vs 82/100). In the "camera" category, the Vivo X300s significantly outperforms the Redmi K90 (94/100 vs 58/100). In the "battery" category, the Vivo X300s is a bit better (83/100 vs 72/100). In the "portability" category, the Redmi K90 is a bit better (55/100 vs 42/100).

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

Specs comparison

Specification Redmi K90 Vivo X300s
Processor Qualcomm Snapdragon 8 Elite Dimensity 9500
AnTuTu 3077585 3703823
Geekbench Single 3013 3293
Geekbench Multi 9287 10243
Display 6.6" AMOLED 6.8" LTPO AMOLED
Resolution 2510x1156 2800x1260
Refresh rate 120 Hz 144 Hz
Battery 7100 mAh 7100 mAh
Charging 100W 90W
Wireless charging 0W 40W
Main camera 50 MP 200 MP
Ultrawide 8 MP 50 MP
Telephoto 50 MP 50 MP
Front camera 20 MP 50 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB 256GB / 512GB / 1TB
OS Android 16 Android 16 / OriginOS 6
Brightness (peak) 3500 nits —
NFC yes —
Protection IP68 —
Dimensions 157.5×75.3×8.0 mm —
Weight 206 g 217 g
Launch price $401 $723

Camera comparison

Redmi K90

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

Vivo X300s

  • Main: 200MP f/1.7
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 50MP
94
camera

Display comparison

Redmi K90

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

Vivo X300s

  • 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 X300s

  • 7100 mAh
  • Wired: 90W
  • Wireless: 40W
83
battery

Overall performance score

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

Redmi K90 Qualcomm Snapdragon 8 Elite
76/100
3077585 AnTuTu
Vivo X300s Dimensity 9500
89/100 +16.9%
3703823 AnTuTu

Vivo X300s leads Redmi K90 by 16.9% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K90

$401

Vivo X300s

$723

Launch price difference: $322. Redmi K90 was $322 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo X300s and the Redmi K90 are nearly equal (95/100 vs 91/100).

display

In the "display" category, the Vivo X300s is a bit better (94/100 vs 82/100).

camera

In the "camera" category, the Vivo X300s significantly outperforms the Redmi K90 (94/100 vs 58/100).

battery

In the "battery" category, the Vivo X300s is a bit better (83/100 vs 72/100).

portability

In the "portability" category, the Redmi K90 is a bit better (55/100 vs 42/100).

Frequently asked questions

Which is better: the Redmi K90 or the Vivo X300s?

The Vivo X300s is noticeably better than the Redmi K90 — the overall rating gap is 13 points.

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

The Redmi K90 has a MobileRank rating of 76/100, the Vivo X300s — 89/100.

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

The Vivo X300s leads on camera score (94/100 vs 58/100).

Should you choose the Redmi K90 over the Vivo X300s?

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