Redmi 15 vs Vivo Y77 (China)

The Redmi 15 (2026) runs on the Qualcomm Snapdragon 685, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Redmi 15 leads — 35/100 vs 29/100 (a 6-point difference). Key differences: the Redmi 15 has the bigger battery (5500 mAh vs 4500); the main camera is 108 MP vs 50 MP; the Redmi 15 has NFC for contactless payments, the Vivo Y77 (China) doesn't.

The Redmi 15 edges out the Vivo Y77 (China) by just 6 points — the two devices are very close in overall level.
Profile comparison
Category scores
Redmi 15
Performance 0
Display 100
Camera 37
Battery 43
Design 56
Value for money 97
Vivo Y77 (China)
Performance 0
Display 100
Camera 24
Battery 39
Design 57
Value for money 55
What makes Redmi 15 better?
  • Bigger battery: 5500 vs 4500 mAh
  • Better main camera: 108MP vs 50MP

  • Better camera (37/100 vs 24/100)
  • Longer battery life (43/100 vs 39/100)
  • Better value for money (97/100 vs 55/100)
What makes Vivo Y77 (China) better?
  • Lighter: 194g vs 195g

  • Better design/ergonomics (57/100 vs 56/100)
Comparison verdict

Comparing the Redmi 15 vs the Vivo Y77 (China), the Redmi 15 scores 6 points higher (35/100 vs 29/100). In the "camera" category, the Redmi 15 leads (37/100 vs 24/100). In the "value for money" category, the Redmi 15 leads (97/100 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 Redmi 15 is a bit better (37/100 vs 24/100). In the "battery" category, the Redmi 15 and the Vivo Y77 (China) are nearly equal (43/100 vs 39/100). In the "design" category, the Vivo Y77 (China) and the Redmi 15 are nearly equal (57/100 vs 56/100). In the "value for money" category, the Redmi 15 significantly outperforms the Vivo Y77 (China) (97/100 vs 55/100).

Redmi 15: The Redmi 15 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 15 Vivo Y77 (China)
Processor Qualcomm Snapdragon 685 MediaTek Dimensity 930
AnTuTu 467392
Geekbench Single 466
Geekbench Multi 1396
Display 6.8" AMOLED 6.6" IPS LCD
Resolution 1080x2388
Refresh rate 120 Hz 120 Hz
Battery 5500 mAh 4500 mAh
Charging 80W
Main camera 108 MP 50 MP
Front camera 13 MP 8 MP
RAM 6GB / 8GB 6GB / 8GB / 12GB
Storage 128GB / 256GB 128GB / 256GB
OS Android 12, Origin OS Ocean
Brightness (peak) 850 nits
NFC yes no
Protection IP64
Dimensions 169.5×80.5×8.4 mm 164.2×75.8×8.6 mm
Weight 195 g 194 g
Price $180
Camera comparison
Redmi 15
  • Main: 108MP
  • Front: 13MP
37
camera
Vivo Y77 (China)
  • Main: 50MP f/f/1.8
  • Front: 8MP
24
camera
Display comparison
Redmi 15
  • 6.8" AMOLED
  • Refresh rate: 120 Hz
100
display
Vivo Y77 (China)
  • 6.6" IPS LCD
  • Resolution: 1080x2388
  • Refresh rate: 120 Hz
100
display
Battery and charging
Redmi 15
  • 5500 mAh
  • No wireless charging
43
battery
Vivo Y77 (China)
  • 4500 mAh
  • Wired: 80W
  • No wireless charging
39
battery
Benchmarks
Price and availability
Redmi 15
$180
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 Redmi 15 is a bit better (37/100 vs 24/100).

battery

In the "battery" category, the Redmi 15 and the Vivo Y77 (China) are nearly equal (43/100 vs 39/100).

design

In the "design" category, the Vivo Y77 (China) and the Redmi 15 are nearly equal (57/100 vs 56/100).

value for money

In the "value for money" category, the Redmi 15 significantly outperforms the Vivo Y77 (China) (97/100 vs 55/100).

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

The Redmi 15 edges out the Vivo Y77 (China) by just 6 points — the two devices are very close in overall level.

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

The Redmi 15 has a MobileRank rating of 35/100, the Vivo Y77 (China) — 29/100.

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

The Redmi 15 leads on camera score (37/100 vs 24/100).

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

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