OPPO K15 Pro vs Vivo Y77 (China)

The OPPO K15 Pro (2026) runs on the MediaTek Dimensity 8500, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the OPPO K15 Pro leads — 50/100 vs 29/100 (a 21-point difference). Key differences: the OPPO K15 Pro has the bigger battery (7500 mAh vs 4500); the OPPO K15 Pro has NFC for contactless payments, the Vivo Y77 (China) doesn't.

The OPPO K15 Pro significantly outperforms the Vivo Y77 (China) by 21 points (50/100 vs 29/100).
Profile comparison
Category scores
OPPO K15 Pro
Performance 36
Display 100
Camera 31
Battery 67
Design 50
Value for money 80
Vivo Y77 (China)
Performance 0
Display 100
Camera 24
Battery 39
Design 57
Value for money 55
What makes OPPO K15 Pro better?
  • Bigger battery: 7500 vs 4500 mAh
  • Higher refresh rate: 144Hz vs 120Hz

  • Higher performance (36/100 vs 0/100)
  • Better camera (31/100 vs 24/100)
  • Longer battery life (67/100 vs 39/100)
  • Better value for money (80/100 vs 55/100)
What makes Vivo Y77 (China) better?
  • Lighter: 194g vs 200g

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

Comparing the OPPO K15 Pro vs the Vivo Y77 (China), the OPPO K15 Pro scores 21 points higher (50/100 vs 29/100). In the "performance" category, the OPPO K15 Pro leads (36/100 vs 0/100). In the "battery" category, the OPPO K15 Pro leads (67/100 vs 39/100). In the "value for money" category, the OPPO K15 Pro leads (80/100 vs 55/100). In the "performance" category, the OPPO K15 Pro significantly outperforms the Vivo Y77 (China) (36/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the OPPO K15 Pro is a bit better (31/100 vs 24/100). In the "battery" category, the OPPO K15 Pro notably outperforms the Vivo Y77 (China) (67/100 vs 39/100). In the "design" category, the Vivo Y77 (China) is a bit better (57/100 vs 50/100). In the "value for money" category, the OPPO K15 Pro notably outperforms the Vivo Y77 (China) (80/100 vs 55/100).

OPPO K15 Pro: The OPPO K15 Pro is a better fit for budget-conscious buyers.
Vivo Y77 (China): The Vivo Y77 (China) is a better fit for everyday use.
Specs comparison
Specification OPPO K15 Pro Vivo Y77 (China)
Processor MediaTek Dimensity 8500 MediaTek Dimensity 930
AnTuTu 2254164
Geekbench Single 1553
Geekbench Multi 6403
Display 6.6" AMOLED 6.6" IPS LCD
Resolution 2760x1256 1080x2388
Refresh rate 144 Hz 120 Hz
Battery 7500 mAh 4500 mAh
Charging 80W 80W
Main camera 50 MP 50 MP
Ultrawide 8 MP 0 MP
Front camera 16 MP 8 MP
RAM 12GB 6GB / 8GB / 12GB
Storage 256GB / 512GB 128GB / 256GB
OS Android 16 Android 12, Origin OS Ocean
Brightness (peak) 1800 nits
NFC yes no
Protection IP68
Dimensions 162.4×77.5×8.3 mm 164.2×75.8×8.6 mm
Weight 200 g 194 g
Price $436
Camera comparison
OPPO K15 Pro
  • Main: 50MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
31
camera
Vivo Y77 (China)
  • Main: 50MP f/f/1.8
  • Front: 8MP
24
camera
Display comparison
OPPO K15 Pro
  • 6.6" AMOLED
  • Resolution: 2760x1256
  • Refresh rate: 144 Hz
100
display
Vivo Y77 (China)
  • 6.6" IPS LCD
  • Resolution: 1080x2388
  • Refresh rate: 120 Hz
100
display
Battery and charging
OPPO K15 Pro
  • 7500 mAh
  • Wired: 80W
  • No wireless charging
67
battery
Vivo Y77 (China)
  • 4500 mAh
  • Wired: 80W
  • No wireless charging
39
battery
Benchmarks
Price and availability
OPPO K15 Pro
$436
Vivo Y77 (China)
Price unknown
Detailed category analysis
performance

In the "performance" category, the OPPO K15 Pro significantly outperforms the Vivo Y77 (China) (36/100 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 Pro is a bit better (31/100 vs 24/100).

battery

In the "battery" category, the OPPO K15 Pro notably outperforms the Vivo Y77 (China) (67/100 vs 39/100).

design

In the "design" category, the Vivo Y77 (China) is a bit better (57/100 vs 50/100).

value for money

In the "value for money" category, the OPPO K15 Pro notably outperforms the Vivo Y77 (China) (80/100 vs 55/100).

Frequently asked questions
Which is better: the OPPO K15 Pro or the Vivo Y77 (China)?

The OPPO K15 Pro significantly outperforms the Vivo Y77 (China) by 21 points (50/100 vs 29/100).

What is the rating of the OPPO K15 Pro and the Vivo Y77 (China)?

The OPPO K15 Pro has a MobileRank rating of 50/100, the Vivo Y77 (China) — 29/100.

Which has the better camera: the OPPO K15 Pro or the Vivo Y77 (China)?

The OPPO K15 Pro leads on camera score (31/100 vs 24/100).

Which is more powerful: the OPPO K15 Pro or the Vivo Y77 (China)?

The OPPO K15 Pro leads on performance (36/100 vs 0/100).

Should you choose the OPPO K15 Pro over the Vivo Y77 (China)?

The OPPO K15 Pro is a better fit for budget-conscious buyers. The Vivo Y77 (China) is a better fit for everyday use.