Redmi 15 vs Vivo iQOO Z6 (China)

The Redmi 15 (2026) runs on the Qualcomm Snapdragon 685, while the Vivo iQOO Z6 (China) (2022) runs on the Qualcomm Snapdragon 778G+ 5G. By overall MobileRank rating, the Redmi 15 leads — 35/100 vs 31/100 (a 4-point difference). Key differences: the Redmi 15 has the bigger battery (5500 mAh vs 4500); the main camera is 108 MP vs 64 MP.

The Redmi 15 edges out the Vivo iQOO Z6 (China) by just 4 points — the two devices are very close in overall level.
Profile comparison
Category scores
Redmi 15
Performance 0
Display 100
Camera 37
Battery 43
Design 56
Value for money 97
Vivo iQOO Z6 (China)
Performance 0
Display 100
Camera 34
Battery 39
Design 57
Value for money 55
What makes Redmi 15 better?
  • Bigger battery: 5500 vs 4500 mAh
  • Better main camera: 108MP vs 64MP

  • Better camera (37/100 vs 34/100)
  • Longer battery life (43/100 vs 39/100)
  • Better value for money (97/100 vs 55/100)
What makes Vivo iQOO Z6 (China) better?
  • Lighter: 194g vs 195g

  • Better design/ergonomics (57/100 vs 56/100)
Comparison verdict

Comparing the Redmi 15 vs the Vivo iQOO Z6 (China), the Redmi 15 scores 4 points higher (35/100 vs 31/100). In the "value for money" category, the Redmi 15 leads (97/100 vs 55/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi 15 and the Vivo iQOO Z6 (China) are nearly equal (37/100 vs 34/100). In the "battery" category, the Redmi 15 and the Vivo iQOO Z6 (China) are nearly equal (43/100 vs 39/100). In the "design" category, the Vivo iQOO Z6 (China) and the Redmi 15 are nearly equal (57/100 vs 56/100). In the "value for money" category, the Redmi 15 significantly outperforms the Vivo iQOO Z6 (China) (97/100 vs 55/100).

Redmi 15: The Redmi 15 is a better fit for budget-conscious buyers.
Vivo iQOO Z6 (China): The Vivo iQOO Z6 (China) is a better fit for everyday use.
Specs comparison
Specification Redmi 15 Vivo iQOO Z6 (China)
Processor Qualcomm Snapdragon 685 Qualcomm Snapdragon 778G+ 5G
AnTuTu 467392
Geekbench Single 466
Geekbench Multi 1396
Display 6.8" AMOLED 6.6" IPS LCD
Resolution 1080x2388
Refresh rate 120 Hz 120 Hz
Battery 5500 mAh 4500 mAh
Charging 80W
Main camera 108 MP 64 MP
Front camera 13 MP 8 MP
RAM 6GB / 8GB 8GB / 12GB
Storage 128GB / 256GB 128GB / 256GB
OS Android 12, Origin OS Ocean
Brightness (peak) 850 nits 650 nits
NFC yes yes
Protection IP64
Dimensions 169.5×80.5×8.4 mm 164.0×75.8×8.6 mm
Weight 195 g 194 g
Price $180
Camera comparison
Redmi 15
  • Main: 108MP
  • Front: 13MP
37
camera
Vivo iQOO Z6 (China)
  • Main: 64MP f/f/1.8
  • Front: 8MP
34
camera
Display comparison
Redmi 15
  • 6.8" AMOLED
  • Refresh rate: 120 Hz
100
display
Vivo iQOO Z6 (China)
  • 6.6" IPS LCD
  • Resolution: 1080x2388
  • Refresh rate: 120 Hz
100
display
Battery and charging
Redmi 15
  • 5500 mAh
  • No wireless charging
43
battery
Vivo iQOO Z6 (China)
  • 4500 mAh
  • Wired: 80W
  • No wireless charging
39
battery
Benchmarks
Price and availability
Redmi 15
$180
Vivo iQOO Z6 (China)
Price unknown
Detailed category analysis
performance

In the "performance" category, both devices are on the same level — 0/100.

display

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

camera

In the "camera" category, the Redmi 15 and the Vivo iQOO Z6 (China) are nearly equal (37/100 vs 34/100).

battery

In the "battery" category, the Redmi 15 and the Vivo iQOO Z6 (China) are nearly equal (43/100 vs 39/100).

design

In the "design" category, the Vivo iQOO Z6 (China) and the Redmi 15 are nearly equal (57/100 vs 56/100).

value for money

In the "value for money" category, the Redmi 15 significantly outperforms the Vivo iQOO Z6 (China) (97/100 vs 55/100).

Frequently asked questions
Which is better: the Redmi 15 or the Vivo iQOO Z6 (China)?

The Redmi 15 edges out the Vivo iQOO Z6 (China) by just 4 points — the two devices are very close in overall level.

What is the rating of the Redmi 15 and the Vivo iQOO Z6 (China)?

The Redmi 15 has a MobileRank rating of 35/100, the Vivo iQOO Z6 (China) — 31/100.

Should you choose the Redmi 15 over the Vivo iQOO Z6 (China)?

The Redmi 15 is a better fit for budget-conscious buyers. The Vivo iQOO Z6 (China) is a better fit for everyday use.