Redmi K80 Ultra vs Vivo S50

The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Vivo S50 (2025) runs on the Qualcomm Snapdragon 8s Gen 3; estimated prices are $350 and $390. By overall MobileRank rating, the Redmi K80 Ultra leads — 60/100 vs 55/100 (a 5-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 6500); the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 1,801,694); the Vivo S50 is noticeably lighter (196g vs 219g).

The Redmi K80 Ultra edges out the Vivo S50 by just 5 points — the two devices are very close in overall level.
Profile comparison
Category scores
Redmi K80 Ultra
Performance 61
Display 100
Camera 32
Battery 72
Design 26
Value for money 86
Vivo S50
Performance 29
Display 100
Camera 62
Battery 65
Design 55
Value for money 83
What makes Redmi K80 Ultra better?
  • Higher AnTuTu: 2876004 vs 1801694
  • Better Geekbench Single: 2729 vs 1930
  • Better Geekbench Multi: 8430 vs 4817
  • Bigger battery: 7410 vs 6500 mAh
  • Faster charging: 100W vs 90W
  • Higher refresh rate: 144Hz vs 120Hz
  • Cheaper: $350 vs $390

  • Higher performance (61/100 vs 29/100)
  • Longer battery life (72/100 vs 65/100)
  • Better value for money (86/100 vs 83/100)
What makes Vivo S50 better?
  • Lighter: 196g vs 219g

  • Better camera (62/100 vs 32/100)
  • Better design/ergonomics (55/100 vs 26/100)
Comparison verdict

Comparing the Redmi K80 Ultra vs the Vivo S50, the Redmi K80 Ultra scores 5 points higher (60/100 vs 55/100). In the "performance" category, the Redmi K80 Ultra leads (61/100 vs 29/100). In the "camera" category, the Vivo S50 leads (62/100 vs 32/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Vivo S50 (61/100 vs 29/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo S50 significantly outperforms the Redmi K80 Ultra (62/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra is a bit better (72/100 vs 65/100). In the "design" category, the Vivo S50 notably outperforms the Redmi K80 Ultra (55/100 vs 26/100). In the "value for money" category, the Redmi K80 Ultra and the Vivo S50 are nearly equal (86/100 vs 83/100).

Redmi K80 Ultra: The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers.
Vivo S50: The Vivo S50 is a better fit for budget-conscious buyers.
Specs comparison
Specification Redmi K80 Ultra Vivo S50
Processor MediaTek Dimensity 9400+ Qualcomm Snapdragon 8s Gen 3
AnTuTu 2876004 1801694
Geekbench Single 2729 1930
Geekbench Multi 8430 4817
Display 6.8" OLED 6.6" AMOLED
Resolution 1280x2772 1260x2750
Refresh rate 144 Hz 120 Hz
Battery 7410 mAh 6500 mAh
Charging 100W 90W
Main camera 50 MP 50 MP
Ultrawide 8 MP 8 MP
Telephoto 0 MP 50 MP
Front camera 20 MP 50 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB / 1TB 256GB / 512GB
OS Android 15 Android 16
Brightness (peak) 3200 nits
NFC yes yes
Protection IP68 IP68/IP69
Dimensions 157.5×74.3×7.6 mm
Weight 219 g 196 g
Price $350 $390
Camera comparison
Redmi K80 Ultra
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Vivo S50
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 50MP
62
camera
Display comparison
Redmi K80 Ultra
  • 6.8" OLED
  • Resolution: 1280x2772
  • Refresh rate: 144 Hz
100
display
Vivo S50
  • 6.6" AMOLED
  • Resolution: 1260x2750
  • Refresh rate: 120 Hz
100
display
Battery and charging
Redmi K80 Ultra
  • 7410 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Vivo S50
  • 6500 mAh
  • Wired: 90W
  • No wireless charging
65
battery
Overall performance score

We compared Redmi K80 Ultra and Vivo S50, covering their specs and all relevant benchmarks.

Redmi K80 Ultra MediaTek Dimensity 9400+
60/100
2876004 AnTuTu
Vivo S50 Qualcomm Snapdragon 8s Gen 3
55/100 -59.6%
1801694 AnTuTu

Redmi K80 Ultra leads Vivo S50 by 59.6% in our overall performance rating.

Benchmarks
Price and availability
Redmi K80 Ultra
$350
Vivo S50
$390

Price difference: $40. Redmi K80 Ultra is cheaper by $40.

Detailed category analysis
performance

In the "performance" category, the Redmi K80 Ultra significantly outperforms the Vivo S50 (61/100 vs 29/100).

display

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

camera

In the "camera" category, the Vivo S50 significantly outperforms the Redmi K80 Ultra (62/100 vs 32/100).

battery

In the "battery" category, the Redmi K80 Ultra is a bit better (72/100 vs 65/100).

design

In the "design" category, the Vivo S50 notably outperforms the Redmi K80 Ultra (55/100 vs 26/100).

value for money

In the "value for money" category, the Redmi K80 Ultra and the Vivo S50 are nearly equal (86/100 vs 83/100).

Frequently asked questions
Which is better: the Redmi K80 Ultra or the Vivo S50?

The Redmi K80 Ultra edges out the Vivo S50 by just 5 points — the two devices are very close in overall level.

What is the rating of the Redmi K80 Ultra and the Vivo S50?

The Redmi K80 Ultra has a MobileRank rating of 60/100, the Vivo S50 — 55/100.

Which has the better camera: the Redmi K80 Ultra or the Vivo S50?

The Vivo S50 leads on camera score (62/100 vs 32/100).

Which is more powerful: the Redmi K80 Ultra or the Vivo S50?

The Redmi K80 Ultra leads on performance (61/100 vs 29/100).

Should you choose the Redmi K80 Ultra over the Vivo S50?

The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers. The Vivo S50 is a better fit for budget-conscious buyers.