Vivo iQOO Z7 vs Xiaomi Mi 9

The Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920, while the Xiaomi Mi 9 (2019) runs on the Qualcomm Snapdragon 855. By overall MobileRank rating, the Vivo iQOO Z7 leads — 26/100 vs 19/100 (a 7-point difference). Key differences: the Vivo iQOO Z7 has the bigger battery (4500 mAh vs 3300); the main camera is 64 MP vs 48 MP; the Xiaomi Mi 9 has NFC for contactless payments, the Vivo iQOO Z7 doesn't.

The Vivo iQOO Z7 edges out the Xiaomi Mi 9 by just 7 points — the two devices are very close in overall level.
Profile comparison
Category scores
Vivo iQOO Z7
Performance 0
Display 50
Camera 37
Battery 30
Design 83
Value for money 55
Xiaomi Mi 9
Performance 1
Display 0
Camera 39
Battery 5
Design 83
Value for money 82
What makes Vivo iQOO Z7 better?
  • Bigger battery: 4500 vs 3300 mAh
  • Faster charging: 44W vs 27W
  • Better main camera: 64MP vs 48MP
  • Higher refresh rate: 90Hz vs 60Hz

  • Longer battery life (30/100 vs 5/100)
  • Better display (50/100 vs 0/100)
What makes Xiaomi Mi 9 better?

  • Higher performance (1/100 vs 0/100)
  • Better camera (39/100 vs 37/100)
  • Better value for money (82/100 vs 55/100)
Comparison verdict

Comparing the Vivo iQOO Z7 vs the Xiaomi Mi 9, the Vivo iQOO Z7 scores 7 points higher (26/100 vs 19/100). In the "battery" category, the Vivo iQOO Z7 leads (30/100 vs 5/100). In the "value for money" category, the Xiaomi Mi 9 leads (82/100 vs 55/100). In the "performance" category, the Xiaomi Mi 9 and the Vivo iQOO Z7 are nearly equal (1/100 vs 0/100). In the "display" category, the Vivo iQOO Z7 significantly outperforms the Xiaomi Mi 9 (50/100 vs 0/100). In the "camera" category, the Xiaomi Mi 9 and the Vivo iQOO Z7 are nearly equal (39/100 vs 37/100). In the "battery" category, the Vivo iQOO Z7 notably outperforms the Xiaomi Mi 9 (30/100 vs 5/100). In the "design" category, both devices are on the same level — 83/100. In the "value for money" category, the Xiaomi Mi 9 notably outperforms the Vivo iQOO Z7 (82/100 vs 55/100).

Vivo iQOO Z7: The Vivo iQOO Z7 is a better fit for everyday use.
Xiaomi Mi 9: The Xiaomi Mi 9 is a better fit for budget-conscious buyers.
Specs comparison
Specification Vivo iQOO Z7 Xiaomi Mi 9
Processor MediaTek Dimensity 920 Qualcomm Snapdragon 855
AnTuTu 824513
Geekbench Single 968
Geekbench Multi 2731
Display 6.4" AMOLED 6.4" AMOLED
Resolution 1080x2400 2340x1080
Refresh rate 90 Hz 60 Hz
Battery 4500 mAh 3300 mAh
Charging 44W 27W
Wireless charging 0W 20W
Main camera 64 MP 48 MP
Ultrawide 0 MP 16 MP
Telephoto 0 MP 12 MP
Front camera 16 MP 20 MP
RAM 6GB / 8GB 6GB / 8GB
Storage 128GB 64GB / 128GB
OS Android 13, Funtouch 13 Android 9
Brightness (peak) 1300 nits
NFC no yes
Protection IP54
Dimensions 158.9×73.5×7.8 mm 157.5×74.7×7.6 mm
Weight 173 g 173 g
Price $400
Camera comparison
Vivo iQOO Z7
  • Main: 64MP
  • Front: 16MP
37
camera
Xiaomi Mi 9
  • Main: 48MP f/1.75
  • Ultrawide: 16MP
  • Telephoto: 12MP
  • Front: 20MP
39
camera
Display comparison
Vivo iQOO Z7
  • 6.4" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 90 Hz
50
display
Xiaomi Mi 9
  • 6.4" AMOLED
  • Resolution: 2340x1080
  • Refresh rate: 60 Hz
0
display
Battery and charging
Vivo iQOO Z7
  • 4500 mAh
  • Wired: 44W
  • No wireless charging
30
battery
Xiaomi Mi 9
  • 3300 mAh
  • Wired: 27W
  • Wireless: 20W
5
battery
Benchmarks
Price and availability
Vivo iQOO Z7
Price unknown
Xiaomi Mi 9
$400
Detailed category analysis
performance

In the "performance" category, the Xiaomi Mi 9 and the Vivo iQOO Z7 are nearly equal (1/100 vs 0/100).

display

In the "display" category, the Vivo iQOO Z7 significantly outperforms the Xiaomi Mi 9 (50/100 vs 0/100).

camera

In the "camera" category, the Xiaomi Mi 9 and the Vivo iQOO Z7 are nearly equal (39/100 vs 37/100).

battery

In the "battery" category, the Vivo iQOO Z7 notably outperforms the Xiaomi Mi 9 (30/100 vs 5/100).

design

In the "design" category, both devices are on the same level — 83/100.

value for money

In the "value for money" category, the Xiaomi Mi 9 notably outperforms the Vivo iQOO Z7 (82/100 vs 55/100).

Frequently asked questions
Which is better: the Vivo iQOO Z7 or the Xiaomi Mi 9?

The Vivo iQOO Z7 edges out the Xiaomi Mi 9 by just 7 points — the two devices are very close in overall level.

What is the rating of the Vivo iQOO Z7 and the Xiaomi Mi 9?

The Vivo iQOO Z7 has a MobileRank rating of 26/100, the Xiaomi Mi 9 — 19/100.

Should you choose the Vivo iQOO Z7 over the Xiaomi Mi 9?

The Vivo iQOO Z7 is a better fit for everyday use. The Xiaomi Mi 9 is a better fit for budget-conscious buyers.