Redmi K80 Ultra vs Vivo X300s

The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Vivo X300s (2026) runs on the Dimensity 9500; estimated prices are $350 and $723. By overall MobileRank rating, the Vivo X300s leads — 82/100 vs 60/100 (a 22-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 7100); the main camera is 50 MP vs 200 MP; the Vivo X300s is faster in AnTuTu (3,703,823 vs 2,876,004).

The Vivo X300s significantly outperforms the Redmi K80 Ultra by 22 points (82/100 vs 60/100).
Profile comparison
Category scores
Redmi K80 Ultra
Performance 61
Display 100
Camera 32
Battery 72
Design 26
Value for money 86
Vivo X300s
Performance 80
Display 100
Camera 94
Battery 76
Design 28
Value for money 60
What makes Redmi K80 Ultra better?
  • Bigger battery: 7410 vs 7100 mAh
  • Faster charging: 100W vs 90W
  • Cheaper: $350 vs $723

  • Better value for money (86/100 vs 60/100)
What makes Vivo X300s better?
  • Higher AnTuTu: 3703823 vs 2876004
  • Better Geekbench Single: 3228 vs 2729
  • Better Geekbench Multi: 9553 vs 8430
  • Better main camera: 200MP vs 50MP
  • Lighter: 217g vs 219g

  • Higher performance (80/100 vs 61/100)
  • Better camera (94/100 vs 32/100)
  • Longer battery life (76/100 vs 72/100)
  • Better design/ergonomics (28/100 vs 26/100)
Comparison verdict

Comparing the Redmi K80 Ultra vs the Vivo X300s, the Vivo X300s scores 22 points higher (82/100 vs 60/100). In the "performance" category, the Vivo X300s leads (80/100 vs 61/100). In the "camera" category, the Vivo X300s leads (94/100 vs 32/100). In the "value for money" category, the Redmi K80 Ultra leads (86/100 vs 60/100). In the "performance" category, the Vivo X300s notably outperforms the Redmi K80 Ultra (80/100 vs 61/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo X300s significantly outperforms the Redmi K80 Ultra (94/100 vs 32/100). In the "battery" category, the Vivo X300s and the Redmi K80 Ultra are nearly equal (76/100 vs 72/100). In the "design" category, the Vivo X300s and the Redmi K80 Ultra are nearly equal (28/100 vs 26/100). In the "value for money" category, the Redmi K80 Ultra notably outperforms the Vivo X300s (86/100 vs 60/100).

Redmi K80 Ultra: The Redmi K80 Ultra is a better fit for active 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.
Specs comparison
Specification Redmi K80 Ultra Vivo X300s
Processor MediaTek Dimensity 9400+ Dimensity 9500
AnTuTu 2876004 3703823
Geekbench Single 2729 3228
Geekbench Multi 8430 9553
Display 6.8" OLED 6.8" LTPO AMOLED
Resolution 1280x2772 2800x1260
Refresh rate 144 Hz 144 Hz
Battery 7410 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 15 Android 16 / OriginOS 6
Brightness (peak) 3200 nits
NFC yes
Protection IP68
Weight 219 g 217 g
Price $350 $723
Camera comparison
Redmi K80 Ultra
  • Main: 50MP f/f/1.9
  • 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 K80 Ultra
  • 6.8" OLED
  • Resolution: 1280x2772
  • Refresh rate: 144 Hz
100
display
Vivo X300s
  • 6.8" LTPO AMOLED
  • Resolution: 2800x1260
  • Refresh rate: 144 Hz
100
display
Battery and charging
Redmi K80 Ultra
  • 7410 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Vivo X300s
  • 7100 mAh
  • Wired: 90W
  • Wireless: 40W
76
battery
Overall performance score

We compared Redmi K80 Ultra and Vivo X300s, covering their specs and all relevant benchmarks.

Redmi K80 Ultra MediaTek Dimensity 9400+
60/100
2876004 AnTuTu
Vivo X300s Dimensity 9500
82/100 +22.4%
3703823 AnTuTu

Vivo X300s leads Redmi K80 Ultra by 22.4% in our overall performance rating.

Benchmarks
Price and availability
Redmi K80 Ultra
$350
Vivo X300s
$723

Price difference: $373. Redmi K80 Ultra is cheaper by $373.

Detailed category analysis
performance

In the "performance" category, the Vivo X300s notably outperforms the Redmi K80 Ultra (80/100 vs 61/100).

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 K80 Ultra (94/100 vs 32/100).

battery

In the "battery" category, the Vivo X300s and the Redmi K80 Ultra are nearly equal (76/100 vs 72/100).

design

In the "design" category, the Vivo X300s and the Redmi K80 Ultra are nearly equal (28/100 vs 26/100).

value for money

In the "value for money" category, the Redmi K80 Ultra notably outperforms the Vivo X300s (86/100 vs 60/100).

Frequently asked questions
Which is better: the Redmi K80 Ultra or the Vivo X300s?

The Vivo X300s significantly outperforms the Redmi K80 Ultra by 22 points (82/100 vs 60/100).

What is the rating of the Redmi K80 Ultra and the Vivo X300s?

The Redmi K80 Ultra has a MobileRank rating of 60/100, the Vivo X300s — 82/100.

Which has the better camera: the Redmi K80 Ultra or the Vivo X300s?

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

Which is more powerful: the Redmi K80 Ultra or the Vivo X300s?

The Vivo X300s leads on performance (80/100 vs 61/100).

Should you choose the Redmi K80 Ultra over the Vivo X300s?

The Redmi K80 Ultra is a better fit for active 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.