Vivo Y77 (China) vs Xiaomi 15T

The Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930, while the Xiaomi 15T (2025) runs on the MediaTek Dimensity 8400 Ultra. By overall MobileRank rating, the Xiaomi 15T leads — 52/100 vs 29/100 (a 23-point difference). Key differences: the Xiaomi 15T has the bigger battery (5500 mAh vs 4500); the Xiaomi 15T has NFC for contactless payments, the Vivo Y77 (China) doesn't; the Xiaomi 15T is thinner (7.5mm vs 8.6mm).

The Xiaomi 15T significantly outperforms the Vivo Y77 (China) by 23 points (52/100 vs 29/100).
Profile comparison
Category scores
Vivo Y77 (China)
Performance 0
Display 100
Camera 24
Battery 39
Design 57
Value for money 55
Xiaomi 15T
Performance 30
Display 100
Camera 55
Battery 54
Design 57
Value for money 79
What makes Vivo Y77 (China) better?
  • Faster charging: 80W vs 67W

  • Overall rating 29/100
What makes Xiaomi 15T better?
  • Bigger battery: 5500 vs 4500 mAh

  • Higher performance (30/100 vs 0/100)
  • Better camera (55/100 vs 24/100)
  • Longer battery life (54/100 vs 39/100)
  • Better value for money (79/100 vs 55/100)
Comparison verdict

Comparing the Vivo Y77 (China) vs the Xiaomi 15T, the Xiaomi 15T scores 23 points higher (52/100 vs 29/100). In the "performance" category, the Xiaomi 15T leads (30/100 vs 0/100). In the "camera" category, the Xiaomi 15T leads (55/100 vs 24/100). In the "battery" category, the Xiaomi 15T leads (54/100 vs 39/100). In the "value for money" category, the Xiaomi 15T leads (79/100 vs 55/100). In the "performance" category, the Xiaomi 15T significantly outperforms the Vivo Y77 (China) (30/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Xiaomi 15T significantly outperforms the Vivo Y77 (China) (55/100 vs 24/100). In the "battery" category, the Xiaomi 15T notably outperforms the Vivo Y77 (China) (54/100 vs 39/100). In the "design" category, both devices are on the same level — 57/100. In the "value for money" category, the Xiaomi 15T notably outperforms the Vivo Y77 (China) (79/100 vs 55/100).

Vivo Y77 (China): The Vivo Y77 (China) is a better fit for everyday use.
Xiaomi 15T: The Xiaomi 15T is a better fit for budget-conscious buyers.
Specs comparison
Specification Vivo Y77 (China) Xiaomi 15T
Processor MediaTek Dimensity 930 MediaTek Dimensity 8400 Ultra
AnTuTu 1915524
Geekbench Single 1579
Geekbench Multi 6100
Display 6.6" IPS LCD 6.8" AMOLED
Resolution 1080x2388 2712x1220
Refresh rate 120 Hz 120 Hz
Battery 4500 mAh 5500 mAh
Charging 80W 67W
Main camera 50 MP 50 MP
Ultrawide 0 MP 12 MP
Telephoto 0 MP 50 MP
Front camera 8 MP 20 MP
RAM 6GB / 8GB / 12GB 12GB
Storage 128GB / 256GB 256GB / 512GB
OS Android 12, Origin OS Ocean Android 15
Brightness (peak) 3200 nits
NFC no yes
Protection IP68
Dimensions 164.2×75.8×8.6 mm 163.2×78.0×7.5 mm
Weight 194 g 194 g
Price $449
Camera comparison
Vivo Y77 (China)
  • Main: 50MP f/f/1.8
  • Front: 8MP
24
camera
Xiaomi 15T
  • Main: 50MP f/1.6
  • Ultrawide: 12MP
  • Telephoto: 50MP
  • Front: 20MP
55
camera
Display comparison
Vivo Y77 (China)
  • 6.6" IPS LCD
  • Resolution: 1080x2388
  • Refresh rate: 120 Hz
100
display
Xiaomi 15T
  • 6.8" AMOLED
  • Resolution: 2712x1220
  • Refresh rate: 120 Hz
100
display
Battery and charging
Vivo Y77 (China)
  • 4500 mAh
  • Wired: 80W
  • No wireless charging
39
battery
Xiaomi 15T
  • 5500 mAh
  • Wired: 67W
  • No wireless charging
54
battery
Benchmarks
Price and availability
Vivo Y77 (China)
Price unknown
Xiaomi 15T
$449
Detailed category analysis
performance

In the "performance" category, the Xiaomi 15T significantly outperforms the Vivo Y77 (China) (30/100 vs 0/100).

display

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

camera

In the "camera" category, the Xiaomi 15T significantly outperforms the Vivo Y77 (China) (55/100 vs 24/100).

battery

In the "battery" category, the Xiaomi 15T notably outperforms the Vivo Y77 (China) (54/100 vs 39/100).

design

In the "design" category, both devices are on the same level — 57/100.

value for money

In the "value for money" category, the Xiaomi 15T notably outperforms the Vivo Y77 (China) (79/100 vs 55/100).

Frequently asked questions
Which is better: the Vivo Y77 (China) or the Xiaomi 15T?

The Xiaomi 15T significantly outperforms the Vivo Y77 (China) by 23 points (52/100 vs 29/100).

What is the rating of the Vivo Y77 (China) and the Xiaomi 15T?

The Vivo Y77 (China) has a MobileRank rating of 29/100, the Xiaomi 15T — 52/100.

Which has the better camera: the Vivo Y77 (China) or the Xiaomi 15T?

The Xiaomi 15T leads on camera score (55/100 vs 24/100).

Which is more powerful: the Vivo Y77 (China) or the Xiaomi 15T?

The Xiaomi 15T leads on performance (30/100 vs 0/100).

Should you choose the Vivo Y77 (China) over the Xiaomi 15T?

The Vivo Y77 (China) is a better fit for everyday use. The Xiaomi 15T is a better fit for budget-conscious buyers.