Redmi K80 Ultra vs Vivo V40

The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Vivo V40 (2024) runs on the Qualcomm Snapdragon 7 Gen 3; estimated prices are $350 and $698. By overall MobileRank rating, the Redmi K80 Ultra leads — 60/100 vs 43/100 (a 17-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5500); the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 1,025,251); the Vivo V40 is noticeably lighter (190g vs 219g).

The Redmi K80 Ultra is noticeably better than the Vivo V40 — the overall rating gap is 17 points.
Profile comparison
Category scores
Redmi K80 Ultra
Performance 61
Display 100
Camera 32
Battery 72
Design 26
Value for money 86
Vivo V40
Performance 5
Display 100
Camera 58
Battery 58
Design 62
Value for money 62
What makes Redmi K80 Ultra better?
  • Higher AnTuTu: 2876004 vs 1025251
  • Better Geekbench Single: 2729 vs 1131
  • Better Geekbench Multi: 8430 vs 2967
  • Bigger battery: 7410 vs 5500 mAh
  • Faster charging: 100W vs 80W
  • Higher refresh rate: 144Hz vs 120Hz
  • Cheaper: $350 vs $698

  • Higher performance (61/100 vs 5/100)
  • Longer battery life (72/100 vs 58/100)
  • Better value for money (86/100 vs 62/100)
What makes Vivo V40 better?
  • Lighter: 190g vs 219g

  • Better camera (58/100 vs 32/100)
  • Better design/ergonomics (62/100 vs 26/100)
Comparison verdict

Comparing the Redmi K80 Ultra vs the Vivo V40, the Redmi K80 Ultra scores 17 points higher (60/100 vs 43/100). In the "performance" category, the Redmi K80 Ultra leads (61/100 vs 5/100). In the "camera" category, the Vivo V40 leads (58/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra leads (72/100 vs 58/100). In the "value for money" category, the Redmi K80 Ultra leads (86/100 vs 62/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Vivo V40 (61/100 vs 5/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo V40 notably outperforms the Redmi K80 Ultra (58/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra is a bit better (72/100 vs 58/100). In the "design" category, the Vivo V40 significantly outperforms the Redmi K80 Ultra (62/100 vs 26/100). In the "value for money" category, the Redmi K80 Ultra notably outperforms the Vivo V40 (86/100 vs 62/100).

Redmi K80 Ultra: The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers.
Vivo V40: The Vivo V40 is a better fit for everyday use.
Specs comparison
Specification Redmi K80 Ultra Vivo V40
Processor MediaTek Dimensity 9400+ Qualcomm Snapdragon 7 Gen 3
AnTuTu 2876004 1025251
Geekbench Single 2729 1131
Geekbench Multi 8430 2967
Display 6.8" OLED 6.8" AMOLED
Resolution 1280x2772 1260x2800
Refresh rate 144 Hz 120 Hz
Battery 7410 mAh 5500 mAh
Charging 100W 80W
Main camera 50 MP 50 MP
Ultrawide 8 MP 50 MP
Front camera 20 MP 50 MP
RAM 12GB / 16GB 8GB / 12GB
Storage 256GB / 512GB / 1TB 128GB / 256GB / 512GB
OS Android 15 Android 14, Funtouch 14
Brightness (peak) 3200 nits 4500 nits
NFC yes yes
Protection IP68 IP68
Dimensions 164.2×75.0×7.6 mm
Weight 219 g 190 g
Price $350 $698
Camera comparison
Redmi K80 Ultra
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Vivo V40
  • Main: 50MP f/f/1.9
  • Ultrawide: 50MP
  • Front: 50MP
58
camera
Display comparison
Redmi K80 Ultra
  • 6.8" OLED
  • Resolution: 1280x2772
  • Refresh rate: 144 Hz
100
display
Vivo V40
  • 6.8" AMOLED
  • Resolution: 1260x2800
  • Refresh rate: 120 Hz
100
display
Battery and charging
Redmi K80 Ultra
  • 7410 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Vivo V40
  • 5500 mAh
  • Wired: 80W
  • No wireless charging
58
battery
Overall performance score

We compared Redmi K80 Ultra and Vivo V40, covering their specs and all relevant benchmarks.

Redmi K80 Ultra MediaTek Dimensity 9400+
60/100
2876004 AnTuTu
Vivo V40 Qualcomm Snapdragon 7 Gen 3
43/100 -180.5%
1025251 AnTuTu

Redmi K80 Ultra leads Vivo V40 by 180.5% in our overall performance rating.

Benchmarks
Price and availability
Redmi K80 Ultra
$350
Vivo V40
$698

Price difference: $348. Redmi K80 Ultra is cheaper by $348.

Detailed category analysis
performance

In the "performance" category, the Redmi K80 Ultra significantly outperforms the Vivo V40 (61/100 vs 5/100).

display

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

camera

In the "camera" category, the Vivo V40 notably outperforms the Redmi K80 Ultra (58/100 vs 32/100).

battery

In the "battery" category, the Redmi K80 Ultra is a bit better (72/100 vs 58/100).

design

In the "design" category, the Vivo V40 significantly outperforms the Redmi K80 Ultra (62/100 vs 26/100).

value for money

In the "value for money" category, the Redmi K80 Ultra notably outperforms the Vivo V40 (86/100 vs 62/100).

Frequently asked questions
Which is better: the Redmi K80 Ultra or the Vivo V40?

The Redmi K80 Ultra is noticeably better than the Vivo V40 — the overall rating gap is 17 points.

What is the rating of the Redmi K80 Ultra and the Vivo V40?

The Redmi K80 Ultra has a MobileRank rating of 60/100, the Vivo V40 — 43/100.

Which has the better camera: the Redmi K80 Ultra or the Vivo V40?

The Vivo V40 leads on camera score (58/100 vs 32/100).

Which is more powerful: the Redmi K80 Ultra or the Vivo V40?

The Redmi K80 Ultra leads on performance (61/100 vs 5/100).

Should you choose the Redmi K80 Ultra over the Vivo V40?

The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers. The Vivo V40 is a better fit for everyday use.