OPPO K15 vs Vivo iQOO Z6 (China)

The OPPO K15 (2026) runs on the Dimensity 7360 Super, while the Vivo iQOO Z6 (China) (2022) runs on the Qualcomm Snapdragon 778G+ 5G. By overall MobileRank rating, the OPPO K15 leads — 42/100 vs 31/100 (a 11-point difference). Key differences: the OPPO K15 has the bigger battery (8000 mAh vs 4500); the main camera is 50 MP vs 64 MP.

The OPPO K15 is noticeably better than the Vivo iQOO Z6 (China) — the overall rating gap is 11 points.
Profile comparison
Category scores
OPPO K15
Performance 2
Display 100
Camera 58
Battery 69
Design 50
Value for money 55
Vivo iQOO Z6 (China)
Performance 0
Display 100
Camera 34
Battery 39
Design 57
Value for money 55
What makes OPPO K15 better?
  • Bigger battery: 8000 vs 4500 mAh

  • Higher performance (2/100 vs 0/100)
  • Better camera (58/100 vs 34/100)
  • Longer battery life (69/100 vs 39/100)
What makes Vivo iQOO Z6 (China) better?
  • Better main camera: 64MP vs 50MP
  • Lighter: 194g vs 200g

  • Better design/ergonomics (57/100 vs 50/100)
Comparison verdict

Comparing the OPPO K15 vs the Vivo iQOO Z6 (China), the OPPO K15 scores 11 points higher (42/100 vs 31/100). In the "camera" category, the OPPO K15 leads (58/100 vs 34/100). In the "battery" category, the OPPO K15 leads (69/100 vs 39/100). In the "performance" category, the OPPO K15 and the Vivo iQOO Z6 (China) are nearly equal (2/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the OPPO K15 notably outperforms the Vivo iQOO Z6 (China) (58/100 vs 34/100). In the "battery" category, the OPPO K15 significantly outperforms the Vivo iQOO Z6 (China) (69/100 vs 39/100). In the "design" category, the Vivo iQOO Z6 (China) is a bit better (57/100 vs 50/100). In the "value for money" category, both devices are on the same level — 55/100.

OPPO K15: The OPPO K15 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 OPPO K15 Vivo iQOO Z6 (China)
Processor Dimensity 7360 Super Qualcomm Snapdragon 778G+ 5G
AnTuTu 877641
Geekbench Single 1011
Geekbench Multi 2813
Display 6.6" AMOLED 6.6" IPS LCD
Resolution 1256x2760 1080x2388
Refresh rate 120 Hz 120 Hz
Battery 8000 mAh 4500 mAh
Charging 80W 80W
Main camera 50 MP 64 MP
Ultrawide 50 MP 0 MP
Front camera 50 MP 8 MP
RAM 12GB 8GB / 12GB
Storage 256GB 128GB / 256GB
OS Android 16 Android 12, Origin OS Ocean
Brightness (peak) 650 nits
NFC yes yes
Protection IP68
Dimensions 164.0×75.8×8.6 mm
Weight 200 g 194 g
Price
Camera comparison
OPPO K15
  • Main: 50MP f/f/1.8
  • Ultrawide: 50MP
  • Front: 50MP
58
camera
Vivo iQOO Z6 (China)
  • Main: 64MP f/f/1.8
  • Front: 8MP
34
camera
Display comparison
OPPO K15
  • 6.6" AMOLED
  • Resolution: 1256x2760
  • 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
OPPO K15
  • 8000 mAh
  • Wired: 80W
  • No wireless charging
69
battery
Vivo iQOO Z6 (China)
  • 4500 mAh
  • Wired: 80W
  • No wireless charging
39
battery
Benchmarks
Detailed category analysis
performance

In the "performance" category, the OPPO K15 and the Vivo iQOO Z6 (China) are nearly equal (2/100 vs 0/100).

display

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

camera

In the "camera" category, the OPPO K15 notably outperforms the Vivo iQOO Z6 (China) (58/100 vs 34/100).

battery

In the "battery" category, the OPPO K15 significantly outperforms the Vivo iQOO Z6 (China) (69/100 vs 39/100).

design

In the "design" category, the Vivo iQOO Z6 (China) is a bit better (57/100 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 OPPO K15 or the Vivo iQOO Z6 (China)?

The OPPO K15 is noticeably better than the Vivo iQOO Z6 (China) — the overall rating gap is 11 points.

What is the rating of the OPPO K15 and the Vivo iQOO Z6 (China)?

The OPPO K15 has a MobileRank rating of 42/100, the Vivo iQOO Z6 (China) — 31/100.

Which has the better camera: the OPPO K15 or the Vivo iQOO Z6 (China)?

The OPPO K15 leads on camera score (58/100 vs 34/100).

Should you choose the OPPO K15 over the Vivo iQOO Z6 (China)?

The OPPO K15 is a better fit for everyday use. The Vivo iQOO Z6 (China) is a better fit for everyday use.