Redmi Note 9S vs Vivo Y77 (China)

The Redmi Note 9S (2020) runs on the Qualcomm Snapdragon 720G, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Vivo Y77 (China) leads — 29/100 vs 20/100 (a 9-point difference). Key differences: the Redmi Note 9S has the bigger battery (5020 mAh vs 4500); the main camera is 48 MP vs 50 MP; the Vivo Y77 (China) is noticeably lighter (194g vs 210g).

The Vivo Y77 (China) edges out the Redmi Note 9S by just 9 points — the two devices are very close in overall level.
Profile comparison
Category scores
Redmi Note 9S
Performance 0
Display 0
Camera 29
Battery 37
Design 37
Value for money 96
Vivo Y77 (China)
Performance 0
Display 100
Camera 24
Battery 39
Design 57
Value for money 55
What makes Redmi Note 9S better?
  • Bigger battery: 5020 vs 4500 mAh

  • Better camera (29/100 vs 24/100)
  • Better value for money (96/100 vs 55/100)
What makes Vivo Y77 (China) better?
  • Faster charging: 80W vs 18W
  • Better main camera: 50MP vs 48MP
  • Higher refresh rate: 120Hz vs 60Hz
  • Lighter: 194g vs 210g

  • Longer battery life (39/100 vs 37/100)
  • Better display (100/100 vs 0/100)
  • Better design/ergonomics (57/100 vs 37/100)
Comparison verdict

Comparing the Redmi Note 9S vs the Vivo Y77 (China), the Vivo Y77 (China) scores 9 points higher (29/100 vs 20/100). In the "value for money" category, the Redmi Note 9S leads (96/100 vs 55/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Vivo Y77 (China) significantly outperforms the Redmi Note 9S (100/100 vs 0/100). In the "camera" category, the Redmi Note 9S is a bit better (29/100 vs 24/100). In the "battery" category, the Vivo Y77 (China) and the Redmi Note 9S are nearly equal (39/100 vs 37/100). In the "design" category, the Vivo Y77 (China) notably outperforms the Redmi Note 9S (57/100 vs 37/100). In the "value for money" category, the Redmi Note 9S significantly outperforms the Vivo Y77 (China) (96/100 vs 55/100).

Redmi Note 9S: The Redmi Note 9S is a better fit for budget-conscious buyers.
Vivo Y77 (China): The Vivo Y77 (China) is a better fit for everyday use.
Specs comparison
Specification Redmi Note 9S Vivo Y77 (China)
Processor Qualcomm Snapdragon 720G MediaTek Dimensity 930
AnTuTu 514398
Geekbench Single 746
Geekbench Multi 1762
Display 6.7" IPS LCD 6.6" IPS LCD
Resolution 2400x1080 1080x2388
Refresh rate 60 Hz 120 Hz
Battery 5020 mAh 4500 mAh
Charging 18W 80W
Main camera 48 MP 50 MP
Ultrawide 8 MP 0 MP
Front camera 16 MP 8 MP
RAM 4GB / 6GB 6GB / 8GB / 12GB
Storage 64GB / 128GB 128GB / 256GB
OS Android 10 Android 12, Origin OS Ocean
Brightness (peak) 450 nits
NFC no no
Dimensions 165.8×76.7×8.8 mm 164.2×75.8×8.6 mm
Weight 210 g 194 g
Price $200
Camera comparison
Redmi Note 9S
  • Main: 48MP f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
29
camera
Vivo Y77 (China)
  • Main: 50MP f/f/1.8
  • Front: 8MP
24
camera
Display comparison
Redmi Note 9S
  • 6.7" IPS LCD
  • Resolution: 2400x1080
  • Refresh rate: 60 Hz
0
display
Vivo Y77 (China)
  • 6.6" IPS LCD
  • Resolution: 1080x2388
  • Refresh rate: 120 Hz
100
display
Battery and charging
Redmi Note 9S
  • 5020 mAh
  • Wired: 18W
  • No wireless charging
37
battery
Vivo Y77 (China)
  • 4500 mAh
  • Wired: 80W
  • No wireless charging
39
battery
Benchmarks
Price and availability
Redmi Note 9S
$200
Vivo Y77 (China)
Price unknown
Detailed category analysis
performance

In the "performance" category, both devices are on the same level — 0/100.

display

In the "display" category, the Vivo Y77 (China) significantly outperforms the Redmi Note 9S (100/100 vs 0/100).

camera

In the "camera" category, the Redmi Note 9S is a bit better (29/100 vs 24/100).

battery

In the "battery" category, the Vivo Y77 (China) and the Redmi Note 9S are nearly equal (39/100 vs 37/100).

design

In the "design" category, the Vivo Y77 (China) notably outperforms the Redmi Note 9S (57/100 vs 37/100).

value for money

In the "value for money" category, the Redmi Note 9S significantly outperforms the Vivo Y77 (China) (96/100 vs 55/100).

Frequently asked questions
Which is better: the Redmi Note 9S or the Vivo Y77 (China)?

The Vivo Y77 (China) edges out the Redmi Note 9S by just 9 points — the two devices are very close in overall level.

What is the rating of the Redmi Note 9S and the Vivo Y77 (China)?

The Redmi Note 9S has a MobileRank rating of 20/100, the Vivo Y77 (China) — 29/100.

Which has the better camera: the Redmi Note 9S or the Vivo Y77 (China)?

The Redmi Note 9S leads on camera score (29/100 vs 24/100).

Should you choose the Redmi Note 9S over the Vivo Y77 (China)?

The Redmi Note 9S is a better fit for budget-conscious buyers. The Vivo Y77 (China) is a better fit for everyday use.