Vivo iQOO U1 vs Vivo Y77 (China)

The Vivo iQOO U1 (2020) runs on the Qualcomm Snapdragon 720G, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Vivo Y77 (China) leads — 29/100 vs 15/100 (a 14-point difference). Key differences: the main camera is 48 MP vs 50 MP.

The Vivo Y77 (China) is noticeably better than the Vivo iQOO U1 — the overall rating gap is 14 points.
Profile comparison
Category scores
Vivo iQOO U1
Performance 0
Display 0
Camera 23
Battery 24
Design 62
Value for money 55
Vivo Y77 (China)
Performance 0
Display 100
Camera 24
Battery 39
Design 57
Value for money 55
What makes Vivo iQOO U1 better?
  • Lighter: 190g vs 194g

  • Better design/ergonomics (62/100 vs 57/100)
What makes Vivo Y77 (China) better?
  • Faster charging: 80W vs 18W
  • Better main camera: 50MP vs 48MP

  • Better camera (24/100 vs 23/100)
  • Longer battery life (39/100 vs 24/100)
  • Better display (100/100 vs 0/100)
Comparison verdict

Comparing the Vivo iQOO U1 vs the Vivo Y77 (China), the Vivo Y77 (China) scores 14 points higher (29/100 vs 15/100). In the "battery" category, the Vivo Y77 (China) leads (39/100 vs 24/100). 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 iQOO U1 (100/100 vs 0/100). In the "camera" category, the Vivo Y77 (China) and the Vivo iQOO U1 are nearly equal (24/100 vs 23/100). In the "battery" category, the Vivo Y77 (China) notably outperforms the Vivo iQOO U1 (39/100 vs 24/100). In the "design" category, the Vivo iQOO U1 is a bit better (62/100 vs 57/100). In the "value for money" category, both devices are on the same level — 55/100.

Vivo iQOO U1: The Vivo iQOO U1 is a better fit for everyday use.
Vivo Y77 (China): The Vivo Y77 (China) is a better fit for everyday use.
Specs comparison
Specification Vivo iQOO U1 Vivo Y77 (China)
Processor Qualcomm Snapdragon 720G MediaTek Dimensity 930
AnTuTu 514398
Geekbench Single 746
Geekbench Multi 1762
Display 6.5" IPS LCD 6.6" IPS LCD
Resolution 1080x2340 1080x2388
Refresh rate 120 Hz
Battery 4500 mAh 4500 mAh
Charging 18W 80W
Main camera 48 MP 50 MP
Front camera 8 MP 8 MP
RAM 6GB / 8GB 6GB / 8GB / 12GB
Storage 64GB / 128GB 128GB / 256GB
OS Android 10, iQOO UI 1.0 Android 12, Origin OS Ocean
NFC no no
Dimensions 162.1×76.6×8.5 mm 164.2×75.8×8.6 mm
Weight 190 g 194 g
Price
Camera comparison
Vivo iQOO U1
  • Main: 48MP f/f/1.8
  • Front: 8MP
23
camera
Vivo Y77 (China)
  • Main: 50MP f/f/1.8
  • Front: 8MP
24
camera
Display comparison
Vivo iQOO U1
  • 6.5" IPS LCD
  • Resolution: 1080x2340
  • Refresh rate: —
0
display
Vivo Y77 (China)
  • 6.6" IPS LCD
  • Resolution: 1080x2388
  • Refresh rate: 120 Hz
100
display
Battery and charging
Vivo iQOO U1
  • 4500 mAh
  • Wired: 18W
  • No wireless charging
24
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, the Vivo Y77 (China) significantly outperforms the Vivo iQOO U1 (100/100 vs 0/100).

camera

In the "camera" category, the Vivo Y77 (China) and the Vivo iQOO U1 are nearly equal (24/100 vs 23/100).

battery

In the "battery" category, the Vivo Y77 (China) notably outperforms the Vivo iQOO U1 (39/100 vs 24/100).

design

In the "design" category, the Vivo iQOO U1 is a bit better (62/100 vs 57/100).

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 Vivo iQOO U1 or the Vivo Y77 (China)?

The Vivo Y77 (China) is noticeably better than the Vivo iQOO U1 — the overall rating gap is 14 points.

What is the rating of the Vivo iQOO U1 and the Vivo Y77 (China)?

The Vivo iQOO U1 has a MobileRank rating of 15/100, the Vivo Y77 (China) — 29/100.

Should you choose the Vivo iQOO U1 over the Vivo Y77 (China)?

The Vivo iQOO U1 is a better fit for everyday use. The Vivo Y77 (China) is a better fit for everyday use.