Redmi 15a vs Vivo iQOO Z6 (China)

The Redmi 15a (2026) runs on the Unisoc T8300, while the Vivo iQOO Z6 (China) (2022) runs on the Qualcomm Snapdragon 778G+ 5G. By overall MobileRank rating, the Vivo iQOO Z6 (China) leads — 31/100 vs 26/100 (a 5-point difference). Key differences: the Redmi 15a has the bigger battery (6300 mAh vs 4500); the main camera is 32 MP vs 64 MP; the Vivo iQOO Z6 (China) has NFC for contactless payments, the Redmi 15a doesn't; the Vivo iQOO Z6 (China) is noticeably lighter (194g vs 210g).

The Vivo iQOO Z6 (China) edges out the Redmi 15a by just 5 points — the two devices are very close in overall level.
Profile comparison
Category scores
Redmi 15a
Performance 0
Display 100
Camera 12
Battery 46
Design 37
Value for money 55
Vivo iQOO Z6 (China)
Performance 0
Display 100
Camera 34
Battery 39
Design 57
Value for money 55
What makes Redmi 15a better?
  • Bigger battery: 6300 vs 4500 mAh

  • Longer battery life (46/100 vs 39/100)
What makes Vivo iQOO Z6 (China) better?
  • Faster charging: 80W vs 15W
  • Better main camera: 64MP vs 32MP
  • Lighter: 194g vs 210g

  • Better camera (34/100 vs 12/100)
  • Better design/ergonomics (57/100 vs 37/100)
Comparison verdict

Comparing the Redmi 15a vs the Vivo iQOO Z6 (China), the Vivo iQOO Z6 (China) scores 5 points higher (31/100 vs 26/100). In the "camera" category, the Vivo iQOO Z6 (China) leads (34/100 vs 12/100). 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 Vivo iQOO Z6 (China) notably outperforms the Redmi 15a (34/100 vs 12/100). In the "battery" category, the Redmi 15a is a bit better (46/100 vs 39/100). In the "design" category, the Vivo iQOO Z6 (China) notably outperforms the Redmi 15a (57/100 vs 37/100). In the "value for money" category, both devices are on the same level — 55/100.

Redmi 15a: The Redmi 15a is a better fit for everyday use.
Vivo iQOO Z6 (China): The Vivo iQOO Z6 (China) is a better fit for everyday use.
Specs comparison
Specification Redmi 15a Vivo iQOO Z6 (China)
Processor Unisoc T8300 Qualcomm Snapdragon 778G+ 5G
AnTuTu 639225
Geekbench Single 880
Geekbench Multi 2073
Display 6.9" IPS LCD 6.6" IPS LCD
Resolution 720x1600 1080x2388
Refresh rate 120 Hz 120 Hz
Battery 6300 mAh 4500 mAh
Charging 15W 80W
Main camera 32 MP 64 MP
Front camera 8 MP 8 MP
RAM 4GB / 6GB 8GB / 12GB
Storage 64GB / 128GB 128GB / 256GB
OS Android 16, HyperOS 3, up to 4 major Android upgrades Android 12, Origin OS Ocean
Brightness (peak) 800 nits 650 nits
NFC no yes
Dimensions 171.6×79.5×8.2 mm 164.0×75.8×8.6 mm
Weight 210 g 194 g
Price
Camera comparison
Redmi 15a
  • Main: 32MP f/f/2.0
  • Front: 8MP
12
camera
Vivo iQOO Z6 (China)
  • Main: 64MP f/f/1.8
  • Front: 8MP
34
camera
Display comparison
Redmi 15a
  • 6.9" IPS LCD
  • Resolution: 720x1600
  • 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 15a
  • 6300 mAh
  • Wired: 15W
  • No wireless charging
46
battery
Vivo iQOO Z6 (China)
  • 4500 mAh
  • Wired: 80W
  • No wireless charging
39
battery
Benchmarks
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 Vivo iQOO Z6 (China) notably outperforms the Redmi 15a (34/100 vs 12/100).

battery

In the "battery" category, the Redmi 15a is a bit better (46/100 vs 39/100).

design

In the "design" category, the Vivo iQOO Z6 (China) notably outperforms the Redmi 15a (57/100 vs 37/100).

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 Redmi 15a or the Vivo iQOO Z6 (China)?

The Vivo iQOO Z6 (China) edges out the Redmi 15a by just 5 points — the two devices are very close in overall level.

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

The Redmi 15a has a MobileRank rating of 26/100, the Vivo iQOO Z6 (China) — 31/100.

Which has the better camera: the Redmi 15a or the Vivo iQOO Z6 (China)?

The Vivo iQOO Z6 (China) leads on camera score (34/100 vs 12/100).

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

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