Redmi K90 vs Vivo V40

The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo V40 (2024) runs on the Qualcomm Snapdragon 7 Gen 3; estimated prices are $401 and $698. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 43/100 (a 25-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5500); the Redmi K90 is faster in AnTuTu (3,088,357 vs 1,025,251); the Vivo V40 is noticeably lighter (190g vs 206g).

The Redmi K90 significantly outperforms the Vivo V40 by 25 points (68/100 vs 43/100).
Profile comparison
Category scores
Redmi K90
Performance 69
Display 100
Camera 53
Battery 71
Design 42
Value for money 82
Vivo V40
Performance 5
Display 100
Camera 58
Battery 58
Design 62
Value for money 62
What makes Redmi K90 better?
  • Higher AnTuTu: 3088357 vs 1025251
  • Better Geekbench Single: 3050 vs 1131
  • Better Geekbench Multi: 9300 vs 2967
  • Bigger battery: 7100 vs 5500 mAh
  • Faster charging: 100W vs 80W
  • Cheaper: $401 vs $698

  • Higher performance (69/100 vs 5/100)
  • Longer battery life (71/100 vs 58/100)
  • Better value for money (82/100 vs 62/100)
What makes Vivo V40 better?
  • Lighter: 190g vs 206g

  • Better camera (58/100 vs 53/100)
  • Better design/ergonomics (62/100 vs 42/100)
Comparison verdict

Comparing the Redmi K90 vs the Vivo V40, the Redmi K90 scores 25 points higher (68/100 vs 43/100). In the "performance" category, the Redmi K90 leads (69/100 vs 5/100). In the "battery" category, the Redmi K90 leads (71/100 vs 58/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 62/100). In the "performance" category, the Redmi K90 significantly outperforms the Vivo V40 (69/100 vs 5/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo V40 is a bit better (58/100 vs 53/100). In the "battery" category, the Redmi K90 is a bit better (71/100 vs 58/100). In the "design" category, the Vivo V40 notably outperforms the Redmi K90 (62/100 vs 42/100). In the "value for money" category, the Redmi K90 notably outperforms the Vivo V40 (82/100 vs 62/100).

Redmi K90: The Redmi K90 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 K90 Vivo V40
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 7 Gen 3
AnTuTu 3088357 1025251
Geekbench Single 3050 1131
Geekbench Multi 9300 2967
Display 6.6" AMOLED 6.8" AMOLED
Resolution 2510x1156 1260x2800
Refresh rate 120 Hz 120 Hz
Battery 7100 mAh 5500 mAh
Charging 100W 80W
Main camera 50 MP 50 MP
Ultrawide 8 MP 50 MP
Telephoto 50 MP 0 MP
Front camera 20 MP 50 MP
RAM 12GB / 16GB 8GB / 12GB
Storage 256GB / 512GB 128GB / 256GB / 512GB
OS Android 16 Android 14, Funtouch 14
Brightness (peak) 3500 nits 4500 nits
NFC yes yes
Protection IP68 IP68
Dimensions 157.5×75.3×8.0 mm 164.2×75.0×7.6 mm
Weight 206 g 190 g
Price $401 $698
Camera comparison
Redmi K90
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
53
camera
Vivo V40
  • Main: 50MP f/f/1.9
  • Ultrawide: 50MP
  • Front: 50MP
58
camera
Display comparison
Redmi K90
  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
100
display
Vivo V40
  • 6.8" AMOLED
  • Resolution: 1260x2800
  • Refresh rate: 120 Hz
100
display
Battery and charging
Redmi K90
  • 7100 mAh
  • Wired: 100W
  • No wireless charging
71
battery
Vivo V40
  • 5500 mAh
  • Wired: 80W
  • No wireless charging
58
battery
Overall performance score

We compared Redmi K90 and Vivo V40, covering their specs and all relevant benchmarks.

Redmi K90 Qualcomm Snapdragon 8 Elite
68/100
3088357 AnTuTu
Vivo V40 Qualcomm Snapdragon 7 Gen 3
43/100 -201.2%
1025251 AnTuTu

Redmi K90 leads Vivo V40 by 201.2% in our overall performance rating.

Benchmarks
Price and availability
Redmi K90
$401
Vivo V40
$698

Price difference: $297. Redmi K90 is cheaper by $297.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 significantly outperforms the Vivo V40 (69/100 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 is a bit better (58/100 vs 53/100).

battery

In the "battery" category, the Redmi K90 is a bit better (71/100 vs 58/100).

design

In the "design" category, the Vivo V40 notably outperforms the Redmi K90 (62/100 vs 42/100).

value for money

In the "value for money" category, the Redmi K90 notably outperforms the Vivo V40 (82/100 vs 62/100).

Frequently asked questions
Which is better: the Redmi K90 or the Vivo V40?

The Redmi K90 significantly outperforms the Vivo V40 by 25 points (68/100 vs 43/100).

What is the rating of the Redmi K90 and the Vivo V40?

The Redmi K90 has a MobileRank rating of 68/100, the Vivo V40 — 43/100.

Which has the better camera: the Redmi K90 or the Vivo V40?

The Vivo V40 leads on camera score (58/100 vs 53/100).

Which is more powerful: the Redmi K90 or the Vivo V40?

The Redmi K90 leads on performance (69/100 vs 5/100).

Should you choose the Redmi K90 over the Vivo V40?

The Redmi K90 is a better fit for active users, budget-conscious buyers. The Vivo V40 is a better fit for everyday use.