Realme C100x vs Redmi Note 15

Comparing the Realme C100x (2026) and the Redmi Note 15 (2026) on specs and benchmarks. By overall MobileRank rating, the Redmi Note 15 leads — 33/100 vs 31/100 (a 2-point difference). Key differences: the Realme C100x has the bigger battery (7500 mAh vs 5520).

The Redmi Note 15 edges out the Realme C100x by just 2 points — the two devices are very close in overall level.
Profile comparison
Category scores
Realme C100x
Performance 0
Display 100
Camera 24
Battery 52
Design 50
Value for money 55
Redmi Note 15
Performance 1
Display 100
Camera 27
Battery 46
Design 58
Value for money 94
What makes Realme C100x better?
  • Bigger battery: 7500 vs 5520 mAh

  • Longer battery life (52/100 vs 46/100)
What makes Redmi Note 15 better?

  • Higher performance (1/100 vs 0/100)
  • Better camera (27/100 vs 24/100)
  • Better design/ergonomics (58/100 vs 50/100)
  • Better value for money (94/100 vs 55/100)
Comparison verdict

Comparing the Realme C100x vs the Redmi Note 15, the Redmi Note 15 scores 2 points higher (33/100 vs 31/100). In the "value for money" category, the Redmi Note 15 leads (94/100 vs 55/100). In the "performance" category, the Redmi Note 15 and the Realme C100x are nearly equal (1/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi Note 15 and the Realme C100x are nearly equal (27/100 vs 24/100). In the "battery" category, the Realme C100x is a bit better (52/100 vs 46/100). In the "design" category, the Redmi Note 15 is a bit better (58/100 vs 50/100). In the "value for money" category, the Redmi Note 15 significantly outperforms the Realme C100x (94/100 vs 55/100).

Realme C100x: The Realme C100x is a better fit for everyday use.
Redmi Note 15: The Redmi Note 15 is a better fit for budget-conscious buyers.
Specs comparison
Specification Realme C100x Redmi Note 15
Processor Qualcomm Snapdragon 6 Gen 3
AnTuTu 824514
Geekbench Single 1015
Geekbench Multi 2920
Display 6.8" IPS LCD 6.8" AMOLED
Resolution 720x1640 2400x1080
Refresh rate 120 Hz 120 Hz
Battery 7500 mAh 5520 mAh
Charging 33W
Main camera 50 MP 50 MP
Front camera 5 MP 16 MP
RAM 4GB 8GB / 12GB
Storage 128GB / 256GB 256GB / 512GB
OS Android 16 Android 15
Brightness (peak) 3200 nits
NFC yes yes
Protection IP64 IP66
Dimensions 164.0×75.4×7.4 mm
Weight 193 g
Price $229
Camera comparison
Realme C100x
  • Main: 50MP f/f/1.8
  • Front: 5MP
24
camera
Redmi Note 15
  • Main: 50MP
  • Front: 16MP
27
camera
Display comparison
Realme C100x
  • 6.8" IPS LCD
  • Resolution: 720x1640
  • Refresh rate: 120 Hz
100
display
Redmi Note 15
  • 6.8" AMOLED
  • Resolution: 2400x1080
  • Refresh rate: 120 Hz
100
display
Battery and charging
Realme C100x
  • 7500 mAh
  • No wireless charging
52
battery
Redmi Note 15
  • 5520 mAh
  • Wired: 33W
  • No wireless charging
46
battery
Benchmarks
Price and availability
Realme C100x
Price unknown
Redmi Note 15
$229
Detailed category analysis
performance

In the "performance" category, the Redmi Note 15 and the Realme C100x are nearly equal (1/100 vs 0/100).

display

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

camera

In the "camera" category, the Redmi Note 15 and the Realme C100x are nearly equal (27/100 vs 24/100).

battery

In the "battery" category, the Realme C100x is a bit better (52/100 vs 46/100).

design

In the "design" category, the Redmi Note 15 is a bit better (58/100 vs 50/100).

value for money

In the "value for money" category, the Redmi Note 15 significantly outperforms the Realme C100x (94/100 vs 55/100).

Frequently asked questions
Which is better: the Realme C100x or the Redmi Note 15?

The Redmi Note 15 edges out the Realme C100x by just 2 points — the two devices are very close in overall level.

What is the rating of the Realme C100x and the Redmi Note 15?

The Realme C100x has a MobileRank rating of 31/100, the Redmi Note 15 — 33/100.

Should you choose the Realme C100x over the Redmi Note 15?

The Realme C100x is a better fit for everyday use. The Redmi Note 15 is a better fit for budget-conscious buyers.