Infinix Smart 20 vs Vivo Y77 (China)

The Infinix Smart 20 (2026) runs on the MediaTek Helio G81 Ultimate, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Vivo Y77 (China) leads — 29/100 vs 26/100 (a 3-point difference). Key differences: the Infinix Smart 20 has the bigger battery (5200 mAh vs 4500); the main camera is 8 MP vs 50 MP; the Infinix Smart 20 has NFC for contactless payments, the Vivo Y77 (China) doesn't.

The Vivo Y77 (China) edges out the Infinix Smart 20 by just 3 points — the two devices are very close in overall level.
Profile comparison
Category scores
Infinix Smart 20
Performance 0
Display 100
Camera 0
Battery 42
Design 50
Value for money 100
Vivo Y77 (China)
Performance 0
Display 100
Camera 24
Battery 39
Design 57
Value for money 55
What makes Infinix Smart 20 better?
  • Bigger battery: 5200 vs 4500 mAh

  • Longer battery life (42/100 vs 39/100)
  • Better value for money (100/100 vs 55/100)
What makes Vivo Y77 (China) better?
  • Faster charging: 80W vs 15W
  • Better main camera: 50MP vs 8MP

  • Better camera (24/100 vs 0/100)
  • Better design/ergonomics (57/100 vs 50/100)
Comparison verdict

Comparing the Infinix Smart 20 vs the Vivo Y77 (China), the Vivo Y77 (China) scores 3 points higher (29/100 vs 26/100). In the "camera" category, the Vivo Y77 (China) leads (24/100 vs 0/100). In the "value for money" category, the Infinix Smart 20 leads (100/100 vs 55/100). 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, the Vivo Y77 (China) notably outperforms the Infinix Smart 20 (24/100 vs 0/100). In the "battery" category, the Infinix Smart 20 and the Vivo Y77 (China) are nearly equal (42/100 vs 39/100). In the "design" category, the Vivo Y77 (China) is a bit better (57/100 vs 50/100). In the "value for money" category, the Infinix Smart 20 significantly outperforms the Vivo Y77 (China) (100/100 vs 55/100).

Infinix Smart 20: The Infinix Smart 20 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 Infinix Smart 20 Vivo Y77 (China)
Processor MediaTek Helio G81 Ultimate MediaTek Dimensity 930
AnTuTu 358383
Geekbench Single 432
Geekbench Multi 1416
Display 6.8" IPS LCD 6.6" IPS LCD
Resolution 1576x720 1080x2388
Refresh rate 120 Hz 120 Hz
Battery 5200 mAh 4500 mAh
Charging 15W 80W
Main camera 8 MP 50 MP
Front camera 8 MP 8 MP
RAM 4GB 6GB / 8GB / 12GB
Storage 64GB / 128GB 128GB / 256GB
OS Android 16 Android 12, Origin OS Ocean
Brightness (peak) 700 nits
NFC yes no
Protection IP64
Dimensions 167.7×78.8×7.7 mm 164.2×75.8×8.6 mm
Weight 194 g
Price $149
Camera comparison
Infinix Smart 20
  • Main: 8MP f/f/2.0
  • Front: 8MP
0
camera
Vivo Y77 (China)
  • Main: 50MP f/f/1.8
  • Front: 8MP
24
camera
Display comparison
Infinix Smart 20
  • 6.8" IPS LCD
  • Resolution: 1576x720
  • Refresh rate: 120 Hz
100
display
Vivo Y77 (China)
  • 6.6" IPS LCD
  • Resolution: 1080x2388
  • Refresh rate: 120 Hz
100
display
Battery and charging
Infinix Smart 20
  • 5200 mAh
  • Wired: 15W
  • No wireless charging
42
battery
Vivo Y77 (China)
  • 4500 mAh
  • Wired: 80W
  • No wireless charging
39
battery
Benchmarks
Price and availability
Infinix Smart 20
$149
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, both devices are on the same level — 100/100.

camera

In the "camera" category, the Vivo Y77 (China) notably outperforms the Infinix Smart 20 (24/100 vs 0/100).

battery

In the "battery" category, the Infinix Smart 20 and the Vivo Y77 (China) are nearly equal (42/100 vs 39/100).

design

In the "design" category, the Vivo Y77 (China) is a bit better (57/100 vs 50/100).

value for money

In the "value for money" category, the Infinix Smart 20 significantly outperforms the Vivo Y77 (China) (100/100 vs 55/100).

Frequently asked questions
Which is better: the Infinix Smart 20 or the Vivo Y77 (China)?

The Vivo Y77 (China) edges out the Infinix Smart 20 by just 3 points — the two devices are very close in overall level.

What is the rating of the Infinix Smart 20 and the Vivo Y77 (China)?

The Infinix Smart 20 has a MobileRank rating of 26/100, the Vivo Y77 (China) — 29/100.

Which has the better camera: the Infinix Smart 20 or the Vivo Y77 (China)?

The Vivo Y77 (China) leads on camera score (24/100 vs 0/100).

Should you choose the Infinix Smart 20 over the Vivo Y77 (China)?

The Infinix Smart 20 is a better fit for budget-conscious buyers. The Vivo Y77 (China) is a better fit for everyday use.