Vivo iQOO Z7 vs ZTE Axon 31 Ultra 5G

The Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920, while the ZTE Axon 31 Ultra 5G (2021) runs on the Qualcomm Snapdragon 888. By overall MobileRank rating, the ZTE Axon 31 Ultra 5G leads — 43/100 vs 26/100 (a 17-point difference). Key differences: the ZTE Axon 31 Ultra 5G has the bigger battery (4600 mAh vs 4500); the ZTE Axon 31 Ultra 5G has NFC for contactless payments, the Vivo iQOO Z7 doesn't; the Vivo iQOO Z7 is noticeably lighter (173g vs 188g).

The ZTE Axon 31 Ultra 5G is noticeably better than the Vivo iQOO Z7 — the overall rating gap is 17 points.
Profile comparison
Category scores
Vivo iQOO Z7
Performance 0
Display 50
Camera 37
Battery 30
Design 83
Value for money 55
ZTE Axon 31 Ultra 5G
Performance 11
Display 100
Camera 70
Battery 26
Design 65
Value for money 55
What makes Vivo iQOO Z7 better?
  • Lighter: 173g vs 188g

  • Longer battery life (30/100 vs 26/100)
  • Better design/ergonomics (83/100 vs 65/100)
What makes ZTE Axon 31 Ultra 5G better?
  • Bigger battery: 4600 vs 4500 mAh
  • Higher refresh rate: 144Hz vs 90Hz

  • Higher performance (11/100 vs 0/100)
  • Better camera (70/100 vs 37/100)
  • Better display (100/100 vs 50/100)
Comparison verdict

Comparing the Vivo iQOO Z7 vs the ZTE Axon 31 Ultra 5G, the ZTE Axon 31 Ultra 5G scores 17 points higher (43/100 vs 26/100). In the "performance" category, the ZTE Axon 31 Ultra 5G leads (11/100 vs 0/100). In the "camera" category, the ZTE Axon 31 Ultra 5G leads (70/100 vs 37/100). In the "performance" category, the ZTE Axon 31 Ultra 5G is a bit better (11/100 vs 0/100). In the "display" category, the ZTE Axon 31 Ultra 5G significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100). In the "camera" category, the ZTE Axon 31 Ultra 5G significantly outperforms the Vivo iQOO Z7 (70/100 vs 37/100). In the "battery" category, the Vivo iQOO Z7 and the ZTE Axon 31 Ultra 5G are nearly equal (30/100 vs 26/100). In the "design" category, the Vivo iQOO Z7 notably outperforms the ZTE Axon 31 Ultra 5G (83/100 vs 65/100). 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.
ZTE Axon 31 Ultra 5G: The ZTE Axon 31 Ultra 5G is a better fit for everyday use.
Specs comparison
Specification Vivo iQOO Z7 ZTE Axon 31 Ultra 5G
Processor MediaTek Dimensity 920 Qualcomm Snapdragon 888
AnTuTu 1119714
Geekbench Single 1488
Geekbench Multi 3373
Display 6.4" AMOLED 6.7" Super Amoled
Resolution 1080x2400 1080x2400
Refresh rate 90 Hz 144 Hz
Battery 4500 mAh 4600 mAh
Charging 44W
Main camera 64 MP 64 MP
Ultrawide 0 MP 64 MP
Telephoto 0 MP 8 MP
Front camera 16 MP 44 MP
RAM 6GB / 8GB
Storage 128GB 512GB
OS Android 13, Funtouch 13 Android 11 Red Velvet Cake
Brightness (peak) 1300 nits
NFC no yes
Protection IP54
Dimensions 158.9×73.5×7.8 mm 161.5×73.0×8.0 mm
Weight 173 g 188 g
Price
Camera comparison
Vivo iQOO Z7
  • Main: 64MP
  • Front: 16MP
37
camera
ZTE Axon 31 Ultra 5G
  • Main: 64MP
  • Ultrawide: 64MP
  • Telephoto: 8MP
  • Front: 44MP
70
camera
Display comparison
Vivo iQOO Z7
  • 6.4" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 90 Hz
50
display
ZTE Axon 31 Ultra 5G
  • 6.7" Super Amoled
  • Resolution: 1080x2400
  • Refresh rate: 144 Hz
100
display
Battery and charging
Vivo iQOO Z7
  • 4500 mAh
  • Wired: 44W
  • No wireless charging
30
battery
ZTE Axon 31 Ultra 5G
  • 4600 mAh
  • No wireless charging
26
battery
Benchmarks
Detailed category analysis
performance

In the "performance" category, the ZTE Axon 31 Ultra 5G is a bit better (11/100 vs 0/100).

display

In the "display" category, the ZTE Axon 31 Ultra 5G significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100).

camera

In the "camera" category, the ZTE Axon 31 Ultra 5G significantly outperforms the Vivo iQOO Z7 (70/100 vs 37/100).

battery

In the "battery" category, the Vivo iQOO Z7 and the ZTE Axon 31 Ultra 5G are nearly equal (30/100 vs 26/100).

design

In the "design" category, the Vivo iQOO Z7 notably outperforms the ZTE Axon 31 Ultra 5G (83/100 vs 65/100).

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 ZTE Axon 31 Ultra 5G?

The ZTE Axon 31 Ultra 5G is noticeably better than the Vivo iQOO Z7 — the overall rating gap is 17 points.

What is the rating of the Vivo iQOO Z7 and the ZTE Axon 31 Ultra 5G?

The Vivo iQOO Z7 has a MobileRank rating of 26/100, the ZTE Axon 31 Ultra 5G — 43/100.

Which has the better camera: the Vivo iQOO Z7 or the ZTE Axon 31 Ultra 5G?

The ZTE Axon 31 Ultra 5G leads on camera score (70/100 vs 37/100).

Which is more powerful: the Vivo iQOO Z7 or the ZTE Axon 31 Ultra 5G?

The ZTE Axon 31 Ultra 5G leads on performance (11/100 vs 0/100).

Should you choose the Vivo iQOO Z7 over the ZTE Axon 31 Ultra 5G?

The Vivo iQOO Z7 is a better fit for everyday use. The ZTE Axon 31 Ultra 5G is a better fit for everyday use.