Redmi K80 Ultra vs Vivo Y18

The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Vivo Y18 (2024) runs on the MediaTek Helio G85. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 37/100 (a 36-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5000); the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 346,495); the Vivo Y18 is noticeably lighter (185g vs 219g).

The Redmi K80 Ultra significantly outperforms the Vivo Y18 by 36 points (73/100 vs 37/100).
Profile comparison
Category scores
Redmi K80 Ultra
Performance 89
Display 94
Camera 37
Battery 86
Portability 40
Value for money 86
Vivo Y18
Performance 29
Display 44
Camera
Battery 43
Portability 63
Value for money
What makes Redmi K80 Ultra better?
  • Higher AnTuTu: 2876004 vs 346495
  • Better Geekbench Single: 2729 vs 420
  • Better Geekbench Multi: 8430 vs 1364
  • Bigger battery: 7410 vs 5000 mAh
  • Faster charging: 100W vs 15W
  • Higher refresh rate: 144Hz vs 90Hz

  • Higher performance (89/100 vs 29/100)
  • Longer battery life (86/100 vs 43/100)
  • Better display (94/100 vs 44/100)
What makes Vivo Y18 better?
  • Lighter: 185g vs 219g

  • Better portability (63/100 vs 40/100)
Comparison verdict

Comparing the Redmi K80 Ultra vs the Vivo Y18, the Redmi K80 Ultra scores 36 points higher (73/100 vs 37/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 29/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 43/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Vivo Y18 (89/100 vs 29/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Vivo Y18 (94/100 vs 44/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Vivo Y18 (86/100 vs 43/100). In the "portability" category, the Vivo Y18 notably outperforms the Redmi K80 Ultra (63/100 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.
Vivo Y18: The Vivo Y18 is a better fit for everyday use.
Specs comparison
Specification Redmi K80 Ultra Vivo Y18
Processor MediaTek Dimensity 9400+ MediaTek Helio G85
AnTuTu 2876004 346495
Geekbench Single 2729 420
Geekbench Multi 8430 1364
Display 6.8" OLED 6.6" IPS LCD
Resolution 1280x2772 720x1612
Refresh rate 144 Hz 90 Hz
Battery 7410 mAh 5000 mAh
Charging 100W 15W
Main camera 50 MP
Ultrawide 8 MP 0 MP
Front camera 20 MP 8 MP
RAM 12GB / 16GB 4GB / 6GB / 8GB
Storage 256GB / 512GB / 1TB 64GB / 128GB / 256GB
OS Android 15 Android 14, Funtouch 14
Brightness (peak) 3200 nits 840 nits
NFC yes yes
Protection IP68 IP54
Dimensions 163.6×75.6×8.4 mm
Weight 219 g 185 g
Launch price $350
Camera comparison
Redmi K80 Ultra
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Front: 20MP
37
camera
Vivo Y18
  • Main: —
  • Front: 8MP
camera
Display comparison
Redmi K80 Ultra
  • 6.8" OLED
  • Resolution: 1280x2772
  • Refresh rate: 144 Hz
94
display
Vivo Y18
  • 6.6" IPS LCD
  • Resolution: 720x1612
  • Refresh rate: 90 Hz
44
display
Battery and charging
Redmi K80 Ultra
  • 7410 mAh
  • Wired: 100W
  • Wireless charging: no data
86
battery
Vivo Y18
  • 5000 mAh
  • Wired: 15W
  • No wireless charging
43
battery
Overall performance score

We compared Redmi K80 Ultra and Vivo Y18, covering their specs and all relevant benchmarks.

Redmi K80 Ultra MediaTek Dimensity 9400+
73/100
2876004 AnTuTu
Vivo Y18 MediaTek Helio G85
37/100 -730.0%
346495 AnTuTu

Redmi K80 Ultra leads Vivo Y18 by 730.0% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Redmi K80 Ultra
$350
Vivo Y18
Price unknown
Detailed category analysis
performance

In the "performance" category, the Redmi K80 Ultra significantly outperforms the Vivo Y18 (89/100 vs 29/100).

display

In the "display" category, the Redmi K80 Ultra significantly outperforms the Vivo Y18 (94/100 vs 44/100).

battery

In the "battery" category, the Redmi K80 Ultra significantly outperforms the Vivo Y18 (86/100 vs 43/100).

portability

In the "portability" category, the Vivo Y18 notably outperforms the Redmi K80 Ultra (63/100 vs 40/100).

Frequently asked questions
Which is better: the Redmi K80 Ultra or the Vivo Y18?

The Redmi K80 Ultra significantly outperforms the Vivo Y18 by 36 points (73/100 vs 37/100).

What is the rating of the Redmi K80 Ultra and the Vivo Y18?

The Redmi K80 Ultra has a MobileRank rating of 73/100, the Vivo Y18 — 37/100.

Which is more powerful: the Redmi K80 Ultra or the Vivo Y18?

The Redmi K80 Ultra leads on performance (89/100 vs 29/100).

Should you choose the Redmi K80 Ultra over the Vivo Y18?

The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo Y18 is a better fit for everyday use.