Redmi K90 Pro Max vs Samsung Galaxy A18 4G

The Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Samsung Galaxy A18 4G (2026) runs on the Exynos 1610; launch prices were $561 and $325. By overall MobileRank rating, the Redmi K90 Pro Max leads — 86/100 vs 46/100 (a 40-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 5000).

The Redmi K90 Pro Max significantly outperforms the Samsung Galaxy A18 4G by 40 points (86/100 vs 46/100).

Profile comparison

Category scores

Redmi K90 Pro Max

Performance 97
Display 81
Camera 78
Battery 89
Portability 54
Value for money 90

Samsung Galaxy A18 4G

Performance —
Display 67
Camera 33
Battery 44
Portability 65
Value for money 28

What makes Redmi K90 Pro Max better?

  • Bigger battery: 7560 vs 5000 mAh
  • Faster charging: 100W vs 25W
  • Higher refresh rate: 120Hz vs 90Hz

  • Better camera (78/100 vs 33/100)
  • Longer battery life (89/100 vs 44/100)
  • Better display (81/100 vs 67/100)

What makes Samsung Galaxy A18 4G better?

  • Lighter: 196g vs 210g
  • Cheaper at launch: $325 vs $561

  • Better portability (65/100 vs 54/100)

Comparison verdict

Comparing the Redmi K90 Pro Max vs the Samsung Galaxy A18 4G, the Redmi K90 Pro Max scores 40 points higher (86/100 vs 46/100). In the "camera" category, the Redmi K90 Pro Max leads (78/100 vs 33/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 44/100). Value score: Redmi K90 Pro Max — 90/100, Samsung Galaxy A18 4G — 28/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "display" category, the Redmi K90 Pro Max is a bit better (81/100 vs 67/100). In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Samsung Galaxy A18 4G (78/100 vs 33/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Samsung Galaxy A18 4G (89/100 vs 44/100). In the "portability" category, the Samsung Galaxy A18 4G is a bit better (65/100 vs 54/100).

Redmi K90 Pro Max: The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Redmi K90 Pro Max Samsung Galaxy A18 4G
Processor Qualcomm Snapdragon 8 Elite Gen 5 Exynos 1610
AnTuTu 3622315 —
Geekbench Single 3639 —
Geekbench Multi 11047 —
Display 6.9" OLED 6.7" Super AMOLED
Resolution 2608x1200 1080x2340
Refresh rate 120 Hz 90 Hz
Battery 7560 mAh 5000 mAh
Charging 100W 25W
Wireless charging 50W 0W
Main camera 50 MP 50 MP
Ultrawide 50 MP 5 MP
Telephoto 50 MP 0 MP
Front camera 32 MP 13 MP
RAM 16GB 4GB
Storage 256GB / 512GB / 1TB 64GB / 128GB / 256GB
OS Android 16 Android 17
Brightness (peak) 3500 nits —
NFC yes yes
Protection IP68 IP64
Dimensions 163.3×77.8×7.9 mm 164.4×77.9×7.7 mm
Weight 210 g 196 g
Launch price $561 $325

Camera comparison

Redmi K90 Pro Max

  • Main: 50MP f/1.88
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera

Samsung Galaxy A18 4G

  • Main: 50MP f/1.8
  • Ultrawide: 5MP
  • Front: 13MP
33
camera

Display comparison

Redmi K90 Pro Max

  • 6.9" OLED
  • Resolution: 2608x1200
  • Refresh rate: 120 Hz
81
display

Samsung Galaxy A18 4G

  • 6.7" Super AMOLED
  • Resolution: 1080x2340
  • Refresh rate: 90 Hz
67
display

Battery and charging

Redmi K90 Pro Max

  • 7560 mAh
  • Wired: 100W
  • Wireless: 50W
89
battery

Samsung Galaxy A18 4G

  • 5000 mAh
  • Wired: 25W
  • No wireless charging
44
battery

Benchmarks

Launch prices and where to check today's

Redmi K90 Pro Max

$561

Samsung Galaxy A18 4G

$325

Launch price difference: $236. Samsung Galaxy A18 4G was $236 cheaper at launch.

Detailed category analysis

display

In the "display" category, the Redmi K90 Pro Max is a bit better (81/100 vs 67/100).

camera

In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Samsung Galaxy A18 4G (78/100 vs 33/100).

battery

In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Samsung Galaxy A18 4G (89/100 vs 44/100).

portability

In the "portability" category, the Samsung Galaxy A18 4G is a bit better (65/100 vs 54/100).

Frequently asked questions

Which is better: the Redmi K90 Pro Max or the Samsung Galaxy A18 4G?

The Redmi K90 Pro Max significantly outperforms the Samsung Galaxy A18 4G by 40 points (86/100 vs 46/100).

What is the rating of the Redmi K90 Pro Max and the Samsung Galaxy A18 4G?

The Redmi K90 Pro Max has a MobileRank rating of 86/100, the Samsung Galaxy A18 4G — 46/100.

Which has the better camera: the Redmi K90 Pro Max or the Samsung Galaxy A18 4G?

The Redmi K90 Pro Max leads on camera score (78/100 vs 33/100).

Should you choose the Redmi K90 Pro Max over the Samsung Galaxy A18 4G?

The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.