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; launch prices were $350 and $723. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 73/100 (a 16-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 2,874,956).

The Vivo X300s is noticeably better than the Redmi K80 Ultra — the overall rating gap is 16 points.

Profile comparison

Category scores

Redmi K80 Ultra

Performance 89
Display 94
Camera 37
Battery 86
Portability 40
Value for money 80

Vivo X300s

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

What makes Redmi K80 Ultra better?

  • Bigger battery: 7410 vs 7100 mAh
  • Faster charging: 100W vs 90W
  • Cheaper at launch: $350 vs $723

  • Longer battery life (86/100 vs 83/100)

What makes Vivo X300s better?

  • Higher AnTuTu: 3703823 vs 2874956
  • Better Geekbench Single: 3293 vs 2729
  • Better Geekbench Multi: 10243 vs 8430
  • Better main camera: 200MP vs 50MP
  • Lighter: 217g vs 219g

  • Higher performance (95/100 vs 89/100)
  • Better camera (94/100 vs 37/100)
  • Better portability (42/100 vs 40/100)

Comparison verdict

Comparing the Redmi K80 Ultra vs the Vivo X300s, the Vivo X300s scores 16 points higher (89/100 vs 73/100). In the "camera" category, the Vivo X300s leads (94/100 vs 37/100). Value score: Redmi K80 Ultra — 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 is a bit better (95/100 vs 89/100). In the "display" category, both devices are on the same level — 94/100. In the "camera" category, the Vivo X300s significantly outperforms the Redmi K80 Ultra (94/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra and the Vivo X300s are nearly equal (86/100 vs 83/100). In the "portability" category, the Vivo X300s and the Redmi K80 Ultra are nearly equal (42/100 vs 40/100).

Redmi K80 Ultra: The Redmi K80 Ultra 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, budget-conscious buyers.

Specs comparison

Specification Redmi K80 Ultra Vivo X300s
Processor MediaTek Dimensity 9400+ Dimensity 9500
AnTuTu 2874956 3703823
Geekbench Single 2729 3293
Geekbench Multi 8430 10243
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 — 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
Launch price $350 $723

Camera comparison

Redmi K80 Ultra

  • Main: 50MP f/1.9
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Vivo X300s

  • Main: 200MP 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
94
display

Vivo X300s

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

Battery and charging

Redmi K80 Ultra

  • 7410 mAh
  • Wired: 100W
  • Wireless charging: no data
86
battery

Vivo X300s

  • 7100 mAh
  • Wired: 90W
  • Wireless: 40W
83
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+
73/100
2874956 AnTuTu
Vivo X300s Dimensity 9500
89/100 +22.4%
3703823 AnTuTu

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

Benchmarks

Launch prices and where to check today's

Redmi K80 Ultra

$350

Vivo X300s

$723

Launch price difference: $373. Redmi K80 Ultra was $373 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo X300s is a bit better (95/100 vs 89/100).

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 K80 Ultra (94/100 vs 37/100).

battery

In the "battery" category, the Redmi K80 Ultra and the Vivo X300s are nearly equal (86/100 vs 83/100).

portability

In the "portability" category, the Vivo X300s and the Redmi K80 Ultra are nearly equal (42/100 vs 40/100).

Frequently asked questions

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

The Vivo X300s is noticeably better than the Redmi K80 Ultra — the overall rating gap is 16 points.

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

The Redmi K80 Ultra has a MobileRank rating of 73/100, the Vivo X300s — 89/100.

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

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

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

The Vivo X300s leads on performance (95/100 vs 89/100).

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

The Redmi K80 Ultra 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, budget-conscious buyers.