Realme C100 4G vs Redmi K80 Ultra

The Realme C100 4G (2026) runs on the MediaTek Helio G92 Max, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+. By overall MobileRank rating, the Redmi K80 Ultra leads — 60/100 vs 30/100 (a 30-point difference). Key differences: the Realme C100 4G has the bigger battery (8000 mAh vs 7410).

The Redmi K80 Ultra significantly outperforms the Realme C100 4G by 30 points (60/100 vs 30/100).
Profile comparison
Category scores
Realme C100 4G
Performance 0
Display 100
Camera 24
Battery 54
Design 26
Value for money 55
Redmi K80 Ultra
Performance 61
Display 100
Camera 32
Battery 72
Design 26
Value for money 86
What makes Realme C100 4G better?
  • Bigger battery: 8000 vs 7410 mAh

  • Overall rating 30/100
What makes Redmi K80 Ultra better?
  • Faster charging: 100W vs 15W
  • Higher refresh rate: 144Hz vs 120Hz

  • Higher performance (61/100 vs 0/100)
  • Better camera (32/100 vs 24/100)
  • Longer battery life (72/100 vs 54/100)
  • Better value for money (86/100 vs 55/100)
Comparison verdict

Comparing the Realme C100 4G vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 30 points higher (60/100 vs 30/100). In the "performance" category, the Redmi K80 Ultra leads (61/100 vs 0/100). In the "battery" category, the Redmi K80 Ultra leads (72/100 vs 54/100). In the "value for money" category, the Redmi K80 Ultra leads (86/100 vs 55/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Realme C100 4G (61/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K80 Ultra is a bit better (32/100 vs 24/100). In the "battery" category, the Redmi K80 Ultra notably outperforms the Realme C100 4G (72/100 vs 54/100). In the "design" category, both devices are on the same level — 26/100. In the "value for money" category, the Redmi K80 Ultra significantly outperforms the Realme C100 4G (86/100 vs 55/100).

Realme C100 4G: The Realme C100 4G is a better fit for everyday use.
Redmi K80 Ultra: The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers.
Specs comparison
Specification Realme C100 4G Redmi K80 Ultra
Processor MediaTek Helio G92 Max MediaTek Dimensity 9400+
AnTuTu 2876004
Geekbench Single 2729
Geekbench Multi 8430
Display 6.8" IPS LCD 6.8" OLED
Resolution 720x1570 1280x2772
Refresh rate 120 Hz 144 Hz
Battery 8000 mAh 7410 mAh
Charging 15W 100W
Main camera 50 MP 50 MP
Ultrawide 0 MP 8 MP
Front camera 8 MP 20 MP
RAM 8GB 12GB / 16GB
Storage 256GB 256GB / 512GB / 1TB
OS Android 16, Realme UI 7.0 Android 15
Brightness (peak) 1200 nits 3200 nits
NFC yes yes
Protection IP66 IP68
Dimensions 166.5×78.2×8.6 mm
Weight 219 g 219 g
Price $350
Camera comparison
Realme C100 4G
  • Main: 50MP f/f/1.8
  • Front: 8MP
24
camera
Redmi K80 Ultra
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Display comparison
Realme C100 4G
  • 6.8" IPS LCD
  • Resolution: 720x1570
  • Refresh rate: 120 Hz
100
display
Redmi K80 Ultra
  • 6.8" OLED
  • Resolution: 1280x2772
  • Refresh rate: 144 Hz
100
display
Battery and charging
Realme C100 4G
  • 8000 mAh
  • Wired: 15W
  • No wireless charging
54
battery
Redmi K80 Ultra
  • 7410 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Benchmarks
Price and availability
Realme C100 4G
Price unknown
Redmi K80 Ultra
$350
Detailed category analysis
performance

In the "performance" category, the Redmi K80 Ultra significantly outperforms the Realme C100 4G (61/100 vs 0/100).

display

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

camera

In the "camera" category, the Redmi K80 Ultra is a bit better (32/100 vs 24/100).

battery

In the "battery" category, the Redmi K80 Ultra notably outperforms the Realme C100 4G (72/100 vs 54/100).

design

In the "design" category, both devices are on the same level — 26/100.

value for money

In the "value for money" category, the Redmi K80 Ultra significantly outperforms the Realme C100 4G (86/100 vs 55/100).

Frequently asked questions
Which is better: the Realme C100 4G or the Redmi K80 Ultra?

The Redmi K80 Ultra significantly outperforms the Realme C100 4G by 30 points (60/100 vs 30/100).

What is the rating of the Realme C100 4G and the Redmi K80 Ultra?

The Realme C100 4G has a MobileRank rating of 30/100, the Redmi K80 Ultra — 60/100.

Which has the better camera: the Realme C100 4G or the Redmi K80 Ultra?

The Redmi K80 Ultra leads on camera score (32/100 vs 24/100).

Which is more powerful: the Realme C100 4G or the Redmi K80 Ultra?

The Redmi K80 Ultra leads on performance (61/100 vs 0/100).

Should you choose the Realme C100 4G over the Redmi K80 Ultra?

The Realme C100 4G is a better fit for everyday use. The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers.