Tecno Spark 40 4G vs Vivo iQOO Z7

The Tecno Spark 40 4G (2025) runs on the MediaTek Helio G81, while the Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920. By overall MobileRank rating, the Tecno Spark 40 4G leads — 30/100 vs 26/100 (a 4-point difference). Key differences: the Tecno Spark 40 4G has the bigger battery (5200 mAh vs 4500); the main camera is 50 MP vs 64 MP; the Tecno Spark 40 4G has NFC for contactless payments, the Vivo iQOO Z7 doesn't.

The Tecno Spark 40 4G edges out the Vivo iQOO Z7 by just 4 points — the two devices are very close in overall level.
Profile comparison
Category scores
Tecno Spark 40 4G
Performance 0
Display 100
Camera 24
Battery 48
Design 50
Value for money 55
Vivo iQOO Z7
Performance 0
Display 50
Camera 37
Battery 30
Design 83
Value for money 55
What makes Tecno Spark 40 4G better?
  • Bigger battery: 5200 vs 4500 mAh
  • Faster charging: 45W vs 44W
  • Higher refresh rate: 120Hz vs 90Hz

  • Longer battery life (48/100 vs 30/100)
  • Better display (100/100 vs 50/100)
What makes Vivo iQOO Z7 better?
  • Better main camera: 64MP vs 50MP

  • Better camera (37/100 vs 24/100)
  • Better design/ergonomics (83/100 vs 50/100)
Comparison verdict

Comparing the Tecno Spark 40 4G vs the Vivo iQOO Z7, the Tecno Spark 40 4G scores 4 points higher (30/100 vs 26/100). In the "camera" category, the Vivo iQOO Z7 leads (37/100 vs 24/100). In the "battery" category, the Tecno Spark 40 4G leads (48/100 vs 30/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Tecno Spark 40 4G significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100). In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 24/100). In the "battery" category, the Tecno Spark 40 4G notably outperforms the Vivo iQOO Z7 (48/100 vs 30/100). In the "design" category, the Vivo iQOO Z7 significantly outperforms the Tecno Spark 40 4G (83/100 vs 50/100). In the "value for money" category, both devices are on the same level — 55/100.

Tecno Spark 40 4G: The Tecno Spark 40 4G is a better fit for everyday use.
Vivo iQOO Z7: The Vivo iQOO Z7 is a better fit for everyday use.
Specs comparison
Specification Tecno Spark 40 4G Vivo iQOO Z7
Processor MediaTek Helio G81 MediaTek Dimensity 920
AnTuTu 358383
Geekbench Single 432
Geekbench Multi 1416
Display 6.7" IPS LCD 6.4" AMOLED
Resolution 720x1600 1080x2400
Refresh rate 120 Hz 90 Hz
Battery 5200 mAh 4500 mAh
Charging 45W 44W
Main camera 50 MP 64 MP
Front camera 8 MP 16 MP
RAM 4GB / 6GB / 8GB 6GB / 8GB
Storage 128GB / 256GB 128GB
OS Android 15, HIOS 15 Android 13, Funtouch 13
Brightness (peak) 1300 nits
NFC yes no
Protection IP64 IP54
Dimensions 165.6×77.0×7.7 mm 158.9×73.5×7.8 mm
Weight 173 g
Price
Camera comparison
Tecno Spark 40 4G
  • Main: 50MP
  • Front: 8MP
24
camera
Vivo iQOO Z7
  • Main: 64MP
  • Front: 16MP
37
camera
Display comparison
Tecno Spark 40 4G
  • 6.7" IPS LCD
  • Resolution: 720x1600
  • Refresh rate: 120 Hz
100
display
Vivo iQOO Z7
  • 6.4" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 90 Hz
50
display
Battery and charging
Tecno Spark 40 4G
  • 5200 mAh
  • Wired: 45W
  • No wireless charging
48
battery
Vivo iQOO Z7
  • 4500 mAh
  • Wired: 44W
  • No wireless charging
30
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 Tecno Spark 40 4G significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100).

camera

In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 24/100).

battery

In the "battery" category, the Tecno Spark 40 4G notably outperforms the Vivo iQOO Z7 (48/100 vs 30/100).

design

In the "design" category, the Vivo iQOO Z7 significantly outperforms the Tecno Spark 40 4G (83/100 vs 50/100).

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 Tecno Spark 40 4G or the Vivo iQOO Z7?

The Tecno Spark 40 4G edges out the Vivo iQOO Z7 by just 4 points — the two devices are very close in overall level.

What is the rating of the Tecno Spark 40 4G and the Vivo iQOO Z7?

The Tecno Spark 40 4G has a MobileRank rating of 30/100, the Vivo iQOO Z7 — 26/100.

Which has the better camera: the Tecno Spark 40 4G or the Vivo iQOO Z7?

The Vivo iQOO Z7 leads on camera score (37/100 vs 24/100).

Should you choose the Tecno Spark 40 4G over the Vivo iQOO Z7?

The Tecno Spark 40 4G is a better fit for everyday use. The Vivo iQOO Z7 is a better fit for everyday use.