Vivo iQOO Z7 vs Xiaomi 15

The Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920, while the Xiaomi 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Xiaomi 15 leads — 73/100 vs 26/100 (a 47-point difference). Key differences: the Xiaomi 15 has the bigger battery (5240 mAh vs 4500); the main camera is 64 MP vs 50 MP; the Xiaomi 15 has NFC for contactless payments, the Vivo iQOO Z7 doesn't; the Vivo iQOO Z7 is noticeably lighter (173g vs 191g).

The Xiaomi 15 significantly outperforms the Vivo iQOO Z7 by 47 points (73/100 vs 26/100).
Profile comparison
Category scores
Vivo iQOO Z7
Performance 0
Display 50
Camera 37
Battery 30
Design 83
Value for money 55
Xiaomi 15
Performance 67
Display 100
Camera 78
Battery 68
Design 61
Value for money 66
What makes Vivo iQOO Z7 better?
  • Better main camera: 64MP vs 50MP
  • Lighter: 173g vs 191g

  • Better design/ergonomics (83/100 vs 61/100)
What makes Xiaomi 15 better?
  • Bigger battery: 5240 vs 4500 mAh
  • Faster charging: 90W vs 44W
  • Higher refresh rate: 120Hz vs 90Hz

  • Higher performance (67/100 vs 0/100)
  • Better camera (78/100 vs 37/100)
  • Longer battery life (68/100 vs 30/100)
  • Better display (100/100 vs 50/100)
  • Better value for money (66/100 vs 55/100)
Comparison verdict

Comparing the Vivo iQOO Z7 vs the Xiaomi 15, the Xiaomi 15 scores 47 points higher (73/100 vs 26/100). In the "performance" category, the Xiaomi 15 leads (67/100 vs 0/100). In the "camera" category, the Xiaomi 15 leads (78/100 vs 37/100). In the "battery" category, the Xiaomi 15 leads (68/100 vs 30/100). In the "value for money" category, the Xiaomi 15 leads (66/100 vs 55/100). In the "performance" category, the Xiaomi 15 significantly outperforms the Vivo iQOO Z7 (67/100 vs 0/100). In the "display" category, the Xiaomi 15 significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100). In the "camera" category, the Xiaomi 15 significantly outperforms the Vivo iQOO Z7 (78/100 vs 37/100). In the "battery" category, the Xiaomi 15 significantly outperforms the Vivo iQOO Z7 (68/100 vs 30/100). In the "design" category, the Vivo iQOO Z7 notably outperforms the Xiaomi 15 (83/100 vs 61/100). In the "value for money" category, the Xiaomi 15 is a bit better (66/100 vs 55/100).

Vivo iQOO Z7: The Vivo iQOO Z7 is a better fit for everyday use.
Xiaomi 15: The Xiaomi 15 is a better fit for active users.
Specs comparison
Specification Vivo iQOO Z7 Xiaomi 15
Processor MediaTek Dimensity 920 Qualcomm Snapdragon 8 Elite
AnTuTu 2923262
Geekbench Single 3092
Geekbench Multi 9147
Display 6.4" AMOLED 6.4" LTPO AMOLED
Resolution 1080x2400 2670x1200
Refresh rate 90 Hz 120 Hz
Battery 4500 mAh 5240 mAh
Charging 44W 90W
Wireless charging 0W 50W
DXOMark (camera) 147
Main camera 64 MP 50 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 16 MP 32 MP
RAM 6GB / 8GB 12GB / 16GB
Storage 128GB 256GB / 512GB / 1TB
OS Android 13, Funtouch 13 Android 15 / HyperOS 2
Brightness (peak) 1300 nits 3200 nits
NFC no yes
Protection IP54 IP68
Dimensions 158.9×73.5×7.8 mm 152.3×71.2×8.4 mm
Weight 173 g 191 g
Price $635
Camera comparison
Vivo iQOO Z7
  • Main: 64MP
  • Front: 16MP
37
camera
Xiaomi 15
  • Main: 50MP f/f/1.6
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera
Display comparison
Vivo iQOO Z7
  • 6.4" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 90 Hz
50
display
Xiaomi 15
  • 6.4" LTPO AMOLED
  • Resolution: 2670x1200
  • Refresh rate: 120 Hz
100
display
Battery and charging
Vivo iQOO Z7
  • 4500 mAh
  • Wired: 44W
  • No wireless charging
30
battery
Xiaomi 15
  • 5240 mAh
  • NanoReview test: web browsing 13:20 hrs, total 31:54 hrs
  • Wired: 90W
  • Wireless: 50W
68
battery
Benchmarks
Price and availability
Vivo iQOO Z7
Price unknown
Xiaomi 15
$635
Detailed category analysis
performance

In the "performance" category, the Xiaomi 15 significantly outperforms the Vivo iQOO Z7 (67/100 vs 0/100).

display

In the "display" category, the Xiaomi 15 significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100).

camera

In the "camera" category, the Xiaomi 15 significantly outperforms the Vivo iQOO Z7 (78/100 vs 37/100).

battery

In the "battery" category, the Xiaomi 15 significantly outperforms the Vivo iQOO Z7 (68/100 vs 30/100).

design

In the "design" category, the Vivo iQOO Z7 notably outperforms the Xiaomi 15 (83/100 vs 61/100).

value for money

In the "value for money" category, the Xiaomi 15 is a bit better (66/100 vs 55/100).

Frequently asked questions
Which is better: the Vivo iQOO Z7 or the Xiaomi 15?

The Xiaomi 15 significantly outperforms the Vivo iQOO Z7 by 47 points (73/100 vs 26/100).

What is the rating of the Vivo iQOO Z7 and the Xiaomi 15?

The Vivo iQOO Z7 has a MobileRank rating of 26/100, the Xiaomi 15 — 73/100.

Which has the better camera: the Vivo iQOO Z7 or the Xiaomi 15?

The Xiaomi 15 leads on camera score (78/100 vs 37/100).

Which is more powerful: the Vivo iQOO Z7 or the Xiaomi 15?

The Xiaomi 15 leads on performance (67/100 vs 0/100).

Should you choose the Vivo iQOO Z7 over the Xiaomi 15?

The Vivo iQOO Z7 is a better fit for everyday use. The Xiaomi 15 is a better fit for active users.