Vivo Y31 vs Vivo Y77 (China)

The Vivo Y31 (2025) runs on the Qualcomm Snapdragon 4 Gen 2, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Vivo Y31 leads — 30/100 vs 29/100 (a 1-point difference). Key differences: the Vivo Y31 has the bigger battery (6500 mAh vs 4500); the Vivo Y77 (China) is noticeably lighter (194g vs 209g).

The Vivo Y31 edges out the Vivo Y77 (China) by just 1 points — the two devices are very close in overall level.
Profile comparison
Category scores
Vivo Y31
Performance 0
Display 100
Camera 24
Battery 54
Design 38
Value for money 55
Vivo Y77 (China)
Performance 0
Display 100
Camera 24
Battery 39
Design 57
Value for money 55
What makes Vivo Y31 better?
  • Bigger battery: 6500 vs 4500 mAh

  • Longer battery life (54/100 vs 39/100)
What makes Vivo Y77 (China) better?
  • Faster charging: 80W vs 44W
  • Lighter: 194g vs 209g

  • Better design/ergonomics (57/100 vs 38/100)
Comparison verdict

Comparing the Vivo Y31 vs the Vivo Y77 (China), the Vivo Y31 scores 1 points higher (30/100 vs 29/100). In the "battery" category, the Vivo Y31 leads (54/100 vs 39/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, both devices are on the same level — 100/100. In the "camera" category, both devices are on the same level — 24/100. In the "battery" category, the Vivo Y31 notably outperforms the Vivo Y77 (China) (54/100 vs 39/100). In the "design" category, the Vivo Y77 (China) notably outperforms the Vivo Y31 (57/100 vs 38/100). In the "value for money" category, both devices are on the same level — 55/100.

Vivo Y31: The Vivo Y31 is a better fit for everyday use.
Vivo Y77 (China): The Vivo Y77 (China) is a better fit for everyday use.
Specs comparison
Specification Vivo Y31 Vivo Y77 (China)
Processor Qualcomm Snapdragon 4 Gen 2 MediaTek Dimensity 930
AnTuTu 560863
Geekbench Single 923
Geekbench Multi 2249
Display 6.7" IPS LCD 6.6" IPS LCD
Resolution 720x1608 1080x2388
Refresh rate 120 Hz 120 Hz
Battery 6500 mAh 4500 mAh
Charging 44W 80W
Main camera 50 MP 50 MP
Front camera 8 MP 8 MP
RAM 4GB / 6GB / 8GB 6GB / 8GB / 12GB
Storage 128GB / 256GB 128GB / 256GB
OS Android 15, Funtouch 15 Android 12, Origin OS Ocean
Brightness (peak) 1000 nits
NFC no no
Protection IP68
Dimensions 166.1×77.0×8.4 mm 164.2×75.8×8.6 mm
Weight 209 g 194 g
Price
Camera comparison
Vivo Y31
  • Main: 50MP f/f/1.8
  • Front: 8MP
24
camera
Vivo Y77 (China)
  • Main: 50MP f/f/1.8
  • Front: 8MP
24
camera
Display comparison
Vivo Y31
  • 6.7" IPS LCD
  • Resolution: 720x1608
  • Refresh rate: 120 Hz
100
display
Vivo Y77 (China)
  • 6.6" IPS LCD
  • Resolution: 1080x2388
  • Refresh rate: 120 Hz
100
display
Battery and charging
Vivo Y31
  • 6500 mAh
  • Wired: 44W
  • No wireless charging
54
battery
Vivo Y77 (China)
  • 4500 mAh
  • Wired: 80W
  • No wireless charging
39
battery
Benchmarks
Detailed category analysis
performance

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

display

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

camera

In the "camera" category, both devices are on the same level — 24/100.

battery

In the "battery" category, the Vivo Y31 notably outperforms the Vivo Y77 (China) (54/100 vs 39/100).

design

In the "design" category, the Vivo Y77 (China) notably outperforms the Vivo Y31 (57/100 vs 38/100).

value for money

In the "value for money" category, both devices are on the same level — 55/100.

Frequently asked questions
Which is better: the Vivo Y31 or the Vivo Y77 (China)?

The Vivo Y31 edges out the Vivo Y77 (China) by just 1 points — the two devices are very close in overall level.

What is the rating of the Vivo Y31 and the Vivo Y77 (China)?

The Vivo Y31 has a MobileRank rating of 30/100, the Vivo Y77 (China) — 29/100.

Should you choose the Vivo Y31 over the Vivo Y77 (China)?

The Vivo Y31 is a better fit for everyday use. The Vivo Y77 (China) is a better fit for everyday use.