Redmi K90 Max vs Samsung Galaxy A57

The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the Samsung Galaxy A57 (2026) runs on the Samsung Exynos 1680; estimated prices are $504 and $350. By overall MobileRank rating, the Redmi K90 Max leads — 67/100 vs 38/100 (a 29-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5000); the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 1,357,223); the Samsung Galaxy A57 is noticeably lighter (183g vs 227g).

The Redmi K90 Max significantly outperforms the Samsung Galaxy A57 by 29 points (67/100 vs 38/100).
Profile comparison
Category scores
Redmi K90 Max
Performance 82
Display 100
Camera 32
Battery 77
Design 16
Value for money 75
Samsung Galaxy A57
Performance 16
Display 100
Camera 29
Battery 37
Design 71
Value for money 86
What makes Redmi K90 Max better?
  • Higher AnTuTu: 3803420 vs 1357223
  • Better Geekbench Single: 3228 vs 1389
  • Better Geekbench Multi: 9553 vs 4453
  • Bigger battery: 8550 vs 5000 mAh
  • Faster charging: 100W vs 25W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (82/100 vs 16/100)
  • Better camera (32/100 vs 29/100)
  • Longer battery life (77/100 vs 37/100)
What makes Samsung Galaxy A57 better?
  • Lighter: 183g vs 227g
  • Cheaper: $350 vs $504

  • Better design/ergonomics (71/100 vs 16/100)
  • Better value for money (86/100 vs 75/100)
Comparison verdict

Comparing the Redmi K90 Max vs the Samsung Galaxy A57, the Redmi K90 Max scores 29 points higher (67/100 vs 38/100). In the "performance" category, the Redmi K90 Max leads (82/100 vs 16/100). In the "battery" category, the Redmi K90 Max leads (77/100 vs 37/100). In the "value for money" category, the Samsung Galaxy A57 leads (86/100 vs 75/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Samsung Galaxy A57 (82/100 vs 16/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K90 Max and the Samsung Galaxy A57 are nearly equal (32/100 vs 29/100). In the "battery" category, the Redmi K90 Max significantly outperforms the Samsung Galaxy A57 (77/100 vs 37/100). In the "design" category, the Samsung Galaxy A57 significantly outperforms the Redmi K90 Max (71/100 vs 16/100). In the "value for money" category, the Samsung Galaxy A57 is a bit better (86/100 vs 75/100).

Redmi K90 Max: The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Samsung Galaxy A57: The Samsung Galaxy A57 is a better fit for budget-conscious buyers.
Specs comparison
Specification Redmi K90 Max Samsung Galaxy A57
Processor MediaTek Dimensity 9500 Samsung Exynos 1680
AnTuTu 3803420 1357223
Geekbench Single 3228 1389
Geekbench Multi 9553 4453
Display 6.8" AMOLED 6.7" Super AMOLED
Resolution 2772x1280 2340x1080
Refresh rate 165 Hz 120 Hz
Battery 8550 mAh 5000 mAh
Charging 100W 25W
Main camera 50 MP 50 MP
Ultrawide 8 MP 8 MP
Front camera 20 MP 13 MP
RAM 12GB / 16GB 6GB / 8GB
Storage 256GB / 512GB / 1TB 128GB / 256GB
OS Android 16 Android 16
Brightness (peak) 3500 nits 1900 nits
NFC yes yes
Protection IP66 IP68
Dimensions 162.9×77.9×8.1 mm 161.5×76.8×6.9 mm
Weight 227 g 183 g
Price $504 $350
Camera comparison
Redmi K90 Max
  • Main: 50MP f/f/1.68
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Samsung Galaxy A57
  • Main: 50MP f/1.8
  • Ultrawide: 8MP
  • Front: 13MP
29
camera
Display comparison
Redmi K90 Max
  • 6.8" AMOLED
  • Resolution: 2772x1280
  • Refresh rate: 165 Hz
100
display
Samsung Galaxy A57
  • 6.7" Super AMOLED
  • Resolution: 2340x1080
  • Refresh rate: 120 Hz
100
display
Battery and charging
Redmi K90 Max
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
77
battery
Samsung Galaxy A57
  • 5000 mAh
  • Wired: 25W
  • No wireless charging
37
battery
Overall performance score

We compared Redmi K90 Max and Samsung Galaxy A57, covering their specs and all relevant benchmarks.

Redmi K90 Max MediaTek Dimensity 9500
67/100
3803420 AnTuTu
Samsung Galaxy A57 Samsung Exynos 1680
38/100 -180.2%
1357223 AnTuTu

Redmi K90 Max leads Samsung Galaxy A57 by 180.2% in our overall performance rating.

Benchmarks
Price and availability
Redmi K90 Max
$504
Samsung Galaxy A57
$350

Price difference: $154. Samsung Galaxy A57 is cheaper by $154.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Max significantly outperforms the Samsung Galaxy A57 (82/100 vs 16/100).

display

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

camera

In the "camera" category, the Redmi K90 Max and the Samsung Galaxy A57 are nearly equal (32/100 vs 29/100).

battery

In the "battery" category, the Redmi K90 Max significantly outperforms the Samsung Galaxy A57 (77/100 vs 37/100).

design

In the "design" category, the Samsung Galaxy A57 significantly outperforms the Redmi K90 Max (71/100 vs 16/100).

value for money

In the "value for money" category, the Samsung Galaxy A57 is a bit better (86/100 vs 75/100).

Frequently asked questions
Which is better: the Redmi K90 Max or the Samsung Galaxy A57?

The Redmi K90 Max significantly outperforms the Samsung Galaxy A57 by 29 points (67/100 vs 38/100).

What is the rating of the Redmi K90 Max and the Samsung Galaxy A57?

The Redmi K90 Max has a MobileRank rating of 67/100, the Samsung Galaxy A57 — 38/100.

Which is more powerful: the Redmi K90 Max or the Samsung Galaxy A57?

The Redmi K90 Max leads on performance (82/100 vs 16/100).

Should you choose the Redmi K90 Max over the Samsung Galaxy A57?

The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Samsung Galaxy A57 is a better fit for budget-conscious buyers.