Fairphone 4 vs Redmi K90 Max

The Fairphone 4 (2021) runs on the Snapdragon 750G, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500; estimated prices are $449 and $504. By overall MobileRank rating, the Redmi K90 Max leads — 67/100 vs 19/100 (a 48-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 3905); the main camera is 48 MP vs 50 MP; the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 517,683); the Redmi K90 Max is thinner (8.1mm vs 10.5mm).

The Redmi K90 Max significantly outperforms the Fairphone 4 by 48 points (67/100 vs 19/100).
Profile comparison
Category scores
Fairphone 4
Performance 0
Display 0
Camera 49
Battery 9
Design 18
Value for money 79
Redmi K90 Max
Performance 82
Display 100
Camera 32
Battery 77
Design 16
Value for money 75
What makes Fairphone 4 better?
  • Lighter: 225g vs 227g
  • Cheaper: $449 vs $504

  • Better camera (49/100 vs 32/100)
  • Better design/ergonomics (18/100 vs 16/100)
  • Better value for money (79/100 vs 75/100)
What makes Redmi K90 Max better?
  • Higher AnTuTu: 3803420 vs 517683
  • Better Geekbench Single: 3228 vs 601
  • Better Geekbench Multi: 9553 vs 1882
  • Bigger battery: 8550 vs 3905 mAh
  • Faster charging: 100W vs 20W
  • Better main camera: 50MP vs 48MP
  • Higher refresh rate: 165Hz vs 60Hz

  • Higher performance (82/100 vs 0/100)
  • Longer battery life (77/100 vs 9/100)
  • Better display (100/100 vs 0/100)
Comparison verdict

Comparing the Fairphone 4 vs the Redmi K90 Max, the Redmi K90 Max scores 48 points higher (67/100 vs 19/100). In the "performance" category, the Redmi K90 Max leads (82/100 vs 0/100). In the "camera" category, the Fairphone 4 leads (49/100 vs 32/100). In the "battery" category, the Redmi K90 Max leads (77/100 vs 9/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Fairphone 4 (82/100 vs 0/100). In the "display" category, the Redmi K90 Max significantly outperforms the Fairphone 4 (100/100 vs 0/100). In the "camera" category, the Fairphone 4 notably outperforms the Redmi K90 Max (49/100 vs 32/100). In the "battery" category, the Redmi K90 Max significantly outperforms the Fairphone 4 (77/100 vs 9/100). In the "design" category, the Fairphone 4 and the Redmi K90 Max are nearly equal (18/100 vs 16/100). In the "value for money" category, the Fairphone 4 and the Redmi K90 Max are nearly equal (79/100 vs 75/100).

Fairphone 4: The Fairphone 4 is a better fit for budget-conscious buyers.
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.
Specs comparison
Specification Fairphone 4 Redmi K90 Max
Processor Snapdragon 750G MediaTek Dimensity 9500
AnTuTu 517683 3803420
Geekbench Single 601 3228
Geekbench Multi 1882 9553
Display 6.3" IPS LCD 6.8" AMOLED
Resolution 1080x2340 2772x1280
Refresh rate 60 Hz 165 Hz
Battery 3905 mAh 8550 mAh
Charging 20W 100W
Main camera 48 MP 50 MP
Ultrawide 48 MP 8 MP
Front camera 25 MP 20 MP
RAM 6GB / 8GB 12GB / 16GB
Storage 128GB / 256GB 256GB / 512GB / 1TB
OS Android 11 Android 16
Brightness (peak) 3500 nits
NFC yes yes
Protection IP54 IP66
Dimensions 162.0×75.5×10.5 mm 162.9×77.9×8.1 mm
Weight 225 g 227 g
Price $449 $504
Camera comparison
Fairphone 4
  • Main: 48MP f/f/1.6
  • Ultrawide: 48MP
  • Front: 25MP
49
camera
Redmi K90 Max
  • Main: 50MP f/f/1.68
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Display comparison
Fairphone 4
  • 6.3" IPS LCD
  • Resolution: 1080x2340
  • Refresh rate: 60 Hz
0
display
Redmi K90 Max
  • 6.8" AMOLED
  • Resolution: 2772x1280
  • Refresh rate: 165 Hz
100
display
Battery and charging
Fairphone 4
  • 3905 mAh
  • Wired: 20W
  • No wireless charging
9
battery
Redmi K90 Max
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
77
battery
Overall performance score

We compared Fairphone 4 and Redmi K90 Max, covering their specs and all relevant benchmarks.

Fairphone 4 Snapdragon 750G
19/100
517683 AnTuTu
Redmi K90 Max MediaTek Dimensity 9500
67/100 +86.4%
3803420 AnTuTu

Redmi K90 Max leads Fairphone 4 by 86.4% in our overall performance rating.

Benchmarks
Price and availability
Fairphone 4
$449
Redmi K90 Max
$504

Price difference: $55. Fairphone 4 is cheaper by $55.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Max significantly outperforms the Fairphone 4 (82/100 vs 0/100).

display

In the "display" category, the Redmi K90 Max significantly outperforms the Fairphone 4 (100/100 vs 0/100).

camera

In the "camera" category, the Fairphone 4 notably outperforms the Redmi K90 Max (49/100 vs 32/100).

battery

In the "battery" category, the Redmi K90 Max significantly outperforms the Fairphone 4 (77/100 vs 9/100).

design

In the "design" category, the Fairphone 4 and the Redmi K90 Max are nearly equal (18/100 vs 16/100).

value for money

In the "value for money" category, the Fairphone 4 and the Redmi K90 Max are nearly equal (79/100 vs 75/100).

Frequently asked questions
Which is better: the Fairphone 4 or the Redmi K90 Max?

The Redmi K90 Max significantly outperforms the Fairphone 4 by 48 points (67/100 vs 19/100).

What is the rating of the Fairphone 4 and the Redmi K90 Max?

The Fairphone 4 has a MobileRank rating of 19/100, the Redmi K90 Max — 67/100.

Which has the better camera: the Fairphone 4 or the Redmi K90 Max?

The Fairphone 4 leads on camera score (49/100 vs 32/100).

Which is more powerful: the Fairphone 4 or the Redmi K90 Max?

The Redmi K90 Max leads on performance (82/100 vs 0/100).

Should you choose the Fairphone 4 over the Redmi K90 Max?

The Fairphone 4 is a better fit for budget-conscious buyers. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.