Redmi K80 Ultra vs Vivo X100

The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Vivo X100 (2023) runs on the MediaTek Dimensity 9300; estimated prices are $350 and $550. By overall MobileRank rating, the Vivo X100 leads — 64/100 vs 60/100 (a 4-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 2,415,558).

The Vivo X100 edges out the Redmi K80 Ultra by just 4 points — the two devices are very close in overall level.
Profile comparison
Category scores
Redmi K80 Ultra
Performance 61
Display 100
Camera 32
Battery 72
Design 26
Value for money 86
Vivo X100
Performance 45
Display 100
Camera 80
Battery 61
Design 42
Value for money 72
What makes Redmi K80 Ultra better?
  • Higher AnTuTu: 2876004 vs 2415558
  • Better Geekbench Single: 2729 vs 2142
  • Better Geekbench Multi: 8430 vs 7125
  • Bigger battery: 7410 vs 5000 mAh
  • Higher refresh rate: 144Hz vs 120Hz
  • Cheaper: $350 vs $550

  • Higher performance (61/100 vs 45/100)
  • Longer battery life (72/100 vs 61/100)
  • Better value for money (86/100 vs 72/100)
What makes Vivo X100 better?
  • Faster charging: 120W vs 100W
  • Lighter: 206g vs 219g

  • Better camera (80/100 vs 32/100)
  • Better design/ergonomics (42/100 vs 26/100)
Comparison verdict

Comparing the Redmi K80 Ultra vs the Vivo X100, the Vivo X100 scores 4 points higher (64/100 vs 60/100). In the "performance" category, the Redmi K80 Ultra leads (61/100 vs 45/100). In the "camera" category, the Vivo X100 leads (80/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra leads (72/100 vs 61/100). In the "value for money" category, the Redmi K80 Ultra leads (86/100 vs 72/100). In the "performance" category, the Redmi K80 Ultra notably outperforms the Vivo X100 (61/100 vs 45/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo X100 significantly outperforms the Redmi K80 Ultra (80/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra is a bit better (72/100 vs 61/100). In the "design" category, the Vivo X100 notably outperforms the Redmi K80 Ultra (42/100 vs 26/100). In the "value for money" category, the Redmi K80 Ultra is a bit better (86/100 vs 72/100).

Redmi K80 Ultra: The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers.
Vivo X100: The Vivo X100 is a better fit for mobile photography enthusiasts.
Specs comparison
Specification Redmi K80 Ultra Vivo X100
Processor MediaTek Dimensity 9400+ MediaTek Dimensity 9300
AnTuTu 2876004 2415558
Geekbench Single 2729 2142
Geekbench Multi 8430 7125
Display 6.8" OLED 6.8" AMOLED
Resolution 1280x2772 2800x1260
Refresh rate 144 Hz 120 Hz
Battery 7410 mAh 5000 mAh
Charging 100W 120W
Main camera 50 MP 50 MP
Ultrawide 8 MP 50 MP
Telephoto 0 MP 64 MP
Front camera 20 MP 32 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB / 1TB 256GB / 512GB
OS Android 15 Android 14
Brightness (peak) 3200 nits 3000 nits
NFC yes yes
Protection IP68 IP68
Dimensions 164.1×75.2×8.5 mm
Weight 219 g 206 g
Price $350 $550
Camera comparison
Redmi K80 Ultra
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Vivo X100
  • Main: 50MP f/f/1.57
  • Ultrawide: 50MP
  • Telephoto: 64MP
  • Front: 32MP
80
camera
Display comparison
Redmi K80 Ultra
  • 6.8" OLED
  • Resolution: 1280x2772
  • Refresh rate: 144 Hz
100
display
Vivo X100
  • 6.8" AMOLED
  • Resolution: 2800x1260
  • Refresh rate: 120 Hz
100
display
Battery and charging
Redmi K80 Ultra
  • 7410 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Vivo X100
  • 5000 mAh
  • Wired: 120W
  • No wireless charging
61
battery
Overall performance score

We compared Redmi K80 Ultra and Vivo X100, covering their specs and all relevant benchmarks.

Redmi K80 Ultra MediaTek Dimensity 9400+
60/100
2876004 AnTuTu
Vivo X100 MediaTek Dimensity 9300
64/100 -19.1%
2415558 AnTuTu

Redmi K80 Ultra leads Vivo X100 by 19.1% in our overall performance rating.

Benchmarks
Price and availability
Redmi K80 Ultra
$350
Vivo X100
$550

Price difference: $200. Redmi K80 Ultra is cheaper by $200.

Detailed category analysis
performance

In the "performance" category, the Redmi K80 Ultra notably outperforms the Vivo X100 (61/100 vs 45/100).

display

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

camera

In the "camera" category, the Vivo X100 significantly outperforms the Redmi K80 Ultra (80/100 vs 32/100).

battery

In the "battery" category, the Redmi K80 Ultra is a bit better (72/100 vs 61/100).

design

In the "design" category, the Vivo X100 notably outperforms the Redmi K80 Ultra (42/100 vs 26/100).

value for money

In the "value for money" category, the Redmi K80 Ultra is a bit better (86/100 vs 72/100).

Frequently asked questions
Which is better: the Redmi K80 Ultra or the Vivo X100?

The Vivo X100 edges out the Redmi K80 Ultra by just 4 points — the two devices are very close in overall level.

What is the rating of the Redmi K80 Ultra and the Vivo X100?

The Redmi K80 Ultra has a MobileRank rating of 60/100, the Vivo X100 — 64/100.

Which has the better camera: the Redmi K80 Ultra or the Vivo X100?

The Vivo X100 leads on camera score (80/100 vs 32/100).

Which is more powerful: the Redmi K80 Ultra or the Vivo X100?

The Redmi K80 Ultra leads on performance (61/100 vs 45/100).

Should you choose the Redmi K80 Ultra over the Vivo X100?

The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers. The Vivo X100 is a better fit for mobile photography enthusiasts.