Realme C100i vs Vivo Y77 (China)

The Realme C100i (2026) runs on the Unisoc T7250, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Vivo Y77 (China) leads — 29/100 vs 24/100 (a 5-point difference). Key differences: the Realme C100i has the bigger battery (7000 mAh vs 4500); the main camera is 8 MP vs 50 MP.

The Vivo Y77 (China) edges out the Realme C100i by just 5 points — the two devices are very close in overall level.
Profile comparison
Category scores
Realme C100i
Performance 0
Display 100
Camera 0
Battery 50
Design 40
Value for money 55
Vivo Y77 (China)
Performance 0
Display 100
Camera 24
Battery 39
Design 57
Value for money 55
What makes Realme C100i better?
  • Bigger battery: 7000 vs 4500 mAh

  • Longer battery life (50/100 vs 39/100)
What makes Vivo Y77 (China) better?
  • Faster charging: 80W vs 15W
  • Better main camera: 50MP vs 8MP
  • Lighter: 194g vs 208g

  • Better camera (24/100 vs 0/100)
  • Better design/ergonomics (57/100 vs 40/100)
Comparison verdict

Comparing the Realme C100i vs the Vivo Y77 (China), the Vivo Y77 (China) scores 5 points higher (29/100 vs 24/100). In the "camera" category, the Vivo Y77 (China) leads (24/100 vs 0/100). In the "battery" category, the Realme C100i leads (50/100 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, the Vivo Y77 (China) notably outperforms the Realme C100i (24/100 vs 0/100). In the "battery" category, the Realme C100i is a bit better (50/100 vs 39/100). In the "design" category, the Vivo Y77 (China) notably outperforms the Realme C100i (57/100 vs 40/100). In the "value for money" category, both devices are on the same level — 55/100.

Realme C100i: The Realme C100i is a better fit for everyday use.
Vivo Y77 (China): The Vivo Y77 (China) is a better fit for everyday use.
Specs comparison
Specification Realme C100i Vivo Y77 (China)
Processor Unisoc T7250 MediaTek Dimensity 930
AnTuTu 310000
Geekbench Single 600
Geekbench Multi 1800
Display 6.8" IPS LCD 6.6" IPS LCD
Resolution 720x1570 1080x2388
Refresh rate 120 Hz 120 Hz
Battery 7000 mAh 4500 mAh
Charging 15W 80W
Main camera 8 MP 50 MP
Front camera 5 MP 8 MP
RAM 4GB / 6GB 6GB / 8GB / 12GB
Storage 64GB / 128GB 128GB / 256GB
OS Android 16 Android 12, Origin OS Ocean
NFC no no
Protection IP64
Dimensions 166.5×78.2×8.4 mm 164.2×75.8×8.6 mm
Weight 208 g 194 g
Price
Camera comparison
Realme C100i
  • Main: 8MP f/f/2.0
  • Front: 5MP
0
camera
Vivo Y77 (China)
  • Main: 50MP f/f/1.8
  • Front: 8MP
24
camera
Display comparison
Realme C100i
  • 6.8" IPS LCD
  • Resolution: 720x1570
  • Refresh rate: 120 Hz
100
display
Vivo Y77 (China)
  • 6.6" IPS LCD
  • Resolution: 1080x2388
  • Refresh rate: 120 Hz
100
display
Battery and charging
Realme C100i
  • 7000 mAh
  • Wired: 15W
  • No wireless charging
50
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, the Vivo Y77 (China) notably outperforms the Realme C100i (24/100 vs 0/100).

battery

In the "battery" category, the Realme C100i is a bit better (50/100 vs 39/100).

design

In the "design" category, the Vivo Y77 (China) notably outperforms the Realme C100i (57/100 vs 40/100).

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 Realme C100i or the Vivo Y77 (China)?

The Vivo Y77 (China) edges out the Realme C100i by just 5 points — the two devices are very close in overall level.

What is the rating of the Realme C100i and the Vivo Y77 (China)?

The Realme C100i has a MobileRank rating of 24/100, the Vivo Y77 (China) — 29/100.

Which has the better camera: the Realme C100i or the Vivo Y77 (China)?

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

Should you choose the Realme C100i over the Vivo Y77 (China)?

The Realme C100i is a better fit for everyday use. The Vivo Y77 (China) is a better fit for everyday use.