Redmi K80 Ultra vs Vivo Y77 (China)

The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 45/100 (a 28-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 4500); the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 593,307); the Redmi K80 Ultra has NFC for contactless payments, the Vivo Y77 (China) doesn't; the Vivo Y77 (China) is noticeably lighter (194g vs 219g).

The Redmi K80 Ultra significantly outperforms the Vivo Y77 (China) by 28 points (73/100 vs 45/100).

Profile comparison

Category scores

Redmi K80 Ultra

Performance 89
Display 94
Camera 37
Battery 86
Portability 40
Value for money 80

Vivo Y77 (China)

Performance 47
Display 66
Camera 30
Battery 45
Portability 56
Value for money —

What makes Redmi K80 Ultra better?

  • Higher AnTuTu: 2874956 vs 593307
  • Better Geekbench Single: 2729 vs 915
  • Better Geekbench Multi: 8430 vs 2299
  • Bigger battery: 7410 vs 4500 mAh
  • Faster charging: 100W vs 80W
  • Higher refresh rate: 144Hz vs 120Hz

  • Higher performance (89/100 vs 47/100)
  • Better camera (37/100 vs 30/100)
  • Longer battery life (86/100 vs 45/100)
  • Better display (94/100 vs 66/100)

What makes Vivo Y77 (China) better?

  • Lighter: 194g vs 219g

  • Better portability (56/100 vs 40/100)

Comparison verdict

Comparing the Redmi K80 Ultra vs the Vivo Y77 (China), the Redmi K80 Ultra scores 28 points higher (73/100 vs 45/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 47/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 45/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Vivo Y77 (China) (89/100 vs 47/100). In the "display" category, the Redmi K80 Ultra notably outperforms the Vivo Y77 (China) (94/100 vs 66/100). In the "camera" category, the Redmi K80 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Vivo Y77 (China) (86/100 vs 45/100). In the "portability" category, the Vivo Y77 (China) notably outperforms the Redmi K80 Ultra (56/100 vs 40/100).

Redmi K80 Ultra: The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Redmi K80 Ultra Vivo Y77 (China)
Processor MediaTek Dimensity 9400+ MediaTek Dimensity 930
AnTuTu 2874956 593307
Geekbench Single 2729 915
Geekbench Multi 8430 2299
Display 6.8" OLED 6.6" IPS LCD
Resolution 1280x2772 1080x2388
Refresh rate 144 Hz 120 Hz
Battery 7410 mAh 4500 mAh
Charging 100W 80W
Main camera 50 MP 50 MP
Ultrawide 8 MP 0 MP
Front camera 20 MP 8 MP
RAM 12GB / 16GB 6GB / 8GB / 12GB
Storage 256GB / 512GB / 1TB 128GB / 256GB
OS Android 15 Android 12, Origin OS Ocean
Brightness (peak) 3200 nits —
NFC yes no
Protection IP68 —
Dimensions — 164.2×75.8×8.6 mm
Weight 219 g 194 g
Launch price $350 —

Camera comparison

Redmi K80 Ultra

  • Main: 50MP f/1.9
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Vivo Y77 (China)

  • Main: 50MP f/1.8
  • Front: 8MP
30
camera

Display comparison

Redmi K80 Ultra

  • 6.8" OLED
  • Resolution: 1280x2772
  • Refresh rate: 144 Hz
94
display

Vivo Y77 (China)

  • 6.6" IPS LCD
  • Resolution: 1080x2388
  • Refresh rate: 120 Hz
66
display

Battery and charging

Redmi K80 Ultra

  • 7410 mAh
  • Wired: 100W
  • Wireless charging: no data
86
battery

Vivo Y77 (China)

  • 4500 mAh
  • Wired: 80W
  • No wireless charging
45
battery

Overall performance score

We compared Redmi K80 Ultra and Vivo Y77 (China), covering their specs and all relevant benchmarks.

Redmi K80 Ultra MediaTek Dimensity 9400+
73/100
2874956 AnTuTu
Vivo Y77 (China) MediaTek Dimensity 930
45/100 -384.6%
593307 AnTuTu

Redmi K80 Ultra leads Vivo Y77 (China) by 384.6% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K80 Ultra

$350

Vivo Y77 (China)

Price unknown

Detailed category analysis

performance

In the "performance" category, the Redmi K80 Ultra significantly outperforms the Vivo Y77 (China) (89/100 vs 47/100).

display

In the "display" category, the Redmi K80 Ultra notably outperforms the Vivo Y77 (China) (94/100 vs 66/100).

camera

In the "camera" category, the Redmi K80 Ultra is a bit better (37/100 vs 30/100).

battery

In the "battery" category, the Redmi K80 Ultra significantly outperforms the Vivo Y77 (China) (86/100 vs 45/100).

portability

In the "portability" category, the Vivo Y77 (China) notably outperforms the Redmi K80 Ultra (56/100 vs 40/100).

Frequently asked questions

Which is better: the Redmi K80 Ultra or the Vivo Y77 (China)?

The Redmi K80 Ultra significantly outperforms the Vivo Y77 (China) by 28 points (73/100 vs 45/100).

What is the rating of the Redmi K80 Ultra and the Vivo Y77 (China)?

The Redmi K80 Ultra has a MobileRank rating of 73/100, the Vivo Y77 (China) — 45/100.

Which has the better camera: the Redmi K80 Ultra or the Vivo Y77 (China)?

The Redmi K80 Ultra leads on camera score (37/100 vs 30/100).

Which is more powerful: the Redmi K80 Ultra or the Vivo Y77 (China)?

The Redmi K80 Ultra leads on performance (89/100 vs 47/100).

Should you choose the Redmi K80 Ultra over the Vivo Y77 (China)?

The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.