Vivo Y21d vs Vivo Y77 (China)

The Vivo Y21d (2025) runs on the Unisoc T7225, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Vivo Y77 (China) leads — 29/100 vs 27/100 (a 2-point difference). Key differences: the Vivo Y21d has the bigger battery (6500 mAh vs 4500); the Vivo Y77 (China) is noticeably lighter (194g vs 209g).

The Vivo Y77 (China) edges out the Vivo Y21d by just 2 points — the two devices are very close in overall level.
Profile comparison
Category scores
Vivo Y21d
Performance 0
Display 50
Camera 24
Battery 54
Design 38
Value for money 100
Vivo Y77 (China)
Performance 0
Display 100
Camera 24
Battery 39
Design 57
Value for money 55
What makes Vivo Y21d better?
  • Bigger battery: 6500 vs 4500 mAh

  • Longer battery life (54/100 vs 39/100)
  • Better value for money (100/100 vs 55/100)
What makes Vivo Y77 (China) better?
  • Faster charging: 80W vs 44W
  • Higher refresh rate: 120Hz vs 90Hz
  • Lighter: 194g vs 209g

  • Better display (100/100 vs 50/100)
  • Better design/ergonomics (57/100 vs 38/100)
Comparison verdict

Comparing the Vivo Y21d vs the Vivo Y77 (China), the Vivo Y77 (China) scores 2 points higher (29/100 vs 27/100). In the "battery" category, the Vivo Y21d leads (54/100 vs 39/100). In the "value for money" category, the Vivo Y21d leads (100/100 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 Vivo Y21d (100/100 vs 50/100). In the "camera" category, both devices are on the same level — 24/100. In the "battery" category, the Vivo Y21d notably outperforms the Vivo Y77 (China) (54/100 vs 39/100). In the "design" category, the Vivo Y77 (China) notably outperforms the Vivo Y21d (57/100 vs 38/100). In the "value for money" category, the Vivo Y21d significantly outperforms the Vivo Y77 (China) (100/100 vs 55/100).

Vivo Y21d: The Vivo Y21d 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 Vivo Y21d Vivo Y77 (China)
Processor Unisoc T7225 MediaTek Dimensity 930
AnTuTu 300000
Geekbench Single 580
Geekbench Multi 1750
Display 6.7" IPS LCD 6.6" IPS LCD
Resolution 720x1608 1080x2388
Refresh rate 90 Hz 120 Hz
Battery 6500 mAh 4500 mAh
Charging 44W 80W
Main camera 50 MP 50 MP
Front camera 5 MP 8 MP
RAM 4GB / 6GB / 8GB 6GB / 8GB / 12GB
Storage 128GB / 256GB 128GB / 256GB
OS Android 15 Android 12, Origin OS Ocean
Brightness (peak) 1000 nits
NFC no no
Protection IP68/IP69
Dimensions 166.1×77.0×8.4 mm 164.2×75.8×8.6 mm
Weight 209 g 194 g
Price $110
Camera comparison
Vivo Y21d
  • Main: 50MP f/f/1.8
  • Front: 5MP
24
camera
Vivo Y77 (China)
  • Main: 50MP f/f/1.8
  • Front: 8MP
24
camera
Display comparison
Vivo Y21d
  • 6.7" IPS LCD
  • Resolution: 720x1608
  • Refresh rate: 90 Hz
50
display
Vivo Y77 (China)
  • 6.6" IPS LCD
  • Resolution: 1080x2388
  • Refresh rate: 120 Hz
100
display
Battery and charging
Vivo Y21d
  • 6500 mAh
  • Wired: 44W
  • No wireless charging
54
battery
Vivo Y77 (China)
  • 4500 mAh
  • Wired: 80W
  • No wireless charging
39
battery
Benchmarks
Price and availability
Vivo Y21d
$110
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 Vivo Y21d (100/100 vs 50/100).

camera

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

battery

In the "battery" category, the Vivo Y21d notably outperforms the Vivo Y77 (China) (54/100 vs 39/100).

design

In the "design" category, the Vivo Y77 (China) notably outperforms the Vivo Y21d (57/100 vs 38/100).

value for money

In the "value for money" category, the Vivo Y21d significantly outperforms the Vivo Y77 (China) (100/100 vs 55/100).

Frequently asked questions
Which is better: the Vivo Y21d or the Vivo Y77 (China)?

The Vivo Y77 (China) edges out the Vivo Y21d by just 2 points — the two devices are very close in overall level.

What is the rating of the Vivo Y21d and the Vivo Y77 (China)?

The Vivo Y21d has a MobileRank rating of 27/100, the Vivo Y77 (China) — 29/100.

Should you choose the Vivo Y21d over the Vivo Y77 (China)?

The Vivo Y21d is a better fit for budget-conscious buyers. The Vivo Y77 (China) is a better fit for everyday use.