Vivo iQOO Z7 vs Vivo Y81i

The Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920, while the Vivo Y81i (2018) runs on the MediaTek Helio A22. By overall MobileRank rating, the Vivo iQOO Z7 leads — 26/100 vs 7/100 (a 19-point difference). Key differences: the Vivo iQOO Z7 has the bigger battery (4500 mAh vs 3260); the main camera is 64 MP vs 13 MP; the Vivo Y81i is noticeably lighter (143g vs 173g).

The Vivo iQOO Z7 is noticeably better than the Vivo Y81i — the overall rating gap is 19 points.
Profile comparison
Category scores
Vivo iQOO Z7
Performance 0
Display 50
Camera 37
Battery 30
Design 83
Value for money 55
Vivo Y81i
Performance 0
Display 0
Camera 0
Battery 0
Design 100
Value for money 55
What makes Vivo iQOO Z7 better?
  • Bigger battery: 4500 vs 3260 mAh
  • Better main camera: 64MP vs 13MP

  • Better camera (37/100 vs 0/100)
  • Longer battery life (30/100 vs 0/100)
  • Better display (50/100 vs 0/100)
What makes Vivo Y81i better?
  • Lighter: 143g vs 173g

  • Better design/ergonomics (100/100 vs 83/100)
Comparison verdict

Comparing the Vivo iQOO Z7 vs the Vivo Y81i, the Vivo iQOO Z7 scores 19 points higher (26/100 vs 7/100). In the "camera" category, the Vivo iQOO Z7 leads (37/100 vs 0/100). In the "battery" category, the Vivo iQOO Z7 leads (30/100 vs 0/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Vivo iQOO Z7 significantly outperforms the Vivo Y81i (50/100 vs 0/100). In the "camera" category, the Vivo iQOO Z7 significantly outperforms the Vivo Y81i (37/100 vs 0/100). In the "battery" category, the Vivo iQOO Z7 significantly outperforms the Vivo Y81i (30/100 vs 0/100). In the "design" category, the Vivo Y81i notably outperforms the Vivo iQOO Z7 (100/100 vs 83/100). In the "value for money" category, both devices are on the same level — 55/100.

Vivo iQOO Z7: The Vivo iQOO Z7 is a better fit for everyday use.
Vivo Y81i: The Vivo Y81i is a better fit for everyday use.
Specs comparison
Specification Vivo iQOO Z7 Vivo Y81i
Processor MediaTek Dimensity 920 MediaTek Helio A22
AnTuTu 155362
Geekbench Single 300
Geekbench Multi 486
Display 6.4" AMOLED 6.2" IPS LCD
Resolution 1080x2400 720x1520
Refresh rate 90 Hz
Battery 4500 mAh 3260 mAh
Charging 44W
Main camera 64 MP 13 MP
Front camera 16 MP 5 MP
RAM 6GB / 8GB 2GB
Storage 128GB 16GB
OS Android 13, Funtouch 13 Android 8.1 (Oreo); Funtouch 4
Brightness (peak) 1300 nits
NFC no no
Protection IP54
Dimensions 158.9×73.5×7.8 mm 155.1×75.0×7.8 mm
Weight 173 g 143 g
Price
Camera comparison
Vivo iQOO Z7
  • Main: 64MP
  • Front: 16MP
37
camera
Vivo Y81i
  • Main: 13MP f/f/2.2
  • Front: 5MP
0
camera
Display comparison
Vivo iQOO Z7
  • 6.4" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 90 Hz
50
display
Vivo Y81i
  • 6.2" IPS LCD
  • Resolution: 720x1520
  • Refresh rate: —
0
display
Battery and charging
Vivo iQOO Z7
  • 4500 mAh
  • Wired: 44W
  • No wireless charging
30
battery
Vivo Y81i
  • 3260 mAh
  • No wireless charging
0
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 iQOO Z7 significantly outperforms the Vivo Y81i (50/100 vs 0/100).

camera

In the "camera" category, the Vivo iQOO Z7 significantly outperforms the Vivo Y81i (37/100 vs 0/100).

battery

In the "battery" category, the Vivo iQOO Z7 significantly outperforms the Vivo Y81i (30/100 vs 0/100).

design

In the "design" category, the Vivo Y81i notably outperforms the Vivo iQOO Z7 (100/100 vs 83/100).

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 Z7 or the Vivo Y81i?

The Vivo iQOO Z7 is noticeably better than the Vivo Y81i — the overall rating gap is 19 points.

What is the rating of the Vivo iQOO Z7 and the Vivo Y81i?

The Vivo iQOO Z7 has a MobileRank rating of 26/100, the Vivo Y81i — 7/100.

Which has the better camera: the Vivo iQOO Z7 or the Vivo Y81i?

The Vivo iQOO Z7 leads on camera score (37/100 vs 0/100).

Should you choose the Vivo iQOO Z7 over the Vivo Y81i?

The Vivo iQOO Z7 is a better fit for everyday use. The Vivo Y81i is a better fit for everyday use.