Fairphone 3+ vs Redmi K90 Ultra

The Fairphone 3+ (2020) runs on the Snapdragon 632, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $489 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 26/100 (a 47-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 3040); the main camera is 48 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 243,691); the Fairphone 3+ is noticeably lighter (189g vs 227g).

The Redmi K90 Ultra significantly outperforms the Fairphone 3+ by 47 points (73/100 vs 26/100).

Profile comparison

Category scores

Fairphone 3+

Performance 18
Display 44
Camera 31
Battery 15
Portability 50
Value for money 0

Redmi K90 Ultra

Performance 92
Display 94
Camera 37
Battery 78
Portability 40
Value for money 72

What makes Fairphone 3+ better?

  • Lighter: 189g vs 227g

  • Better portability (50/100 vs 40/100)

What makes Redmi K90 Ultra better?

  • Higher AnTuTu: 3233695 vs 243691
  • Better Geekbench Single: 3013 vs 295
  • Better Geekbench Multi: 9287 vs 1037
  • Bigger battery: 8550 vs 3040 mAh
  • Faster charging: 100W vs 18W
  • Better main camera: 50MP vs 48MP
  • Higher refresh rate: 165Hz vs 60Hz
  • Cheaper at launch: $420 vs $489

  • Higher performance (92/100 vs 18/100)
  • Better camera (37/100 vs 31/100)
  • Longer battery life (78/100 vs 15/100)
  • Better display (94/100 vs 44/100)

Comparison verdict

Comparing the Fairphone 3+ vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 47 points higher (73/100 vs 26/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 18/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 15/100). Value score: Fairphone 3+ — 0/100, Redmi K90 Ultra — 72/100; 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 "performance" category, the Redmi K90 Ultra significantly outperforms the Fairphone 3+ (92/100 vs 18/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Fairphone 3+ (94/100 vs 44/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 31/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Fairphone 3+ (78/100 vs 15/100). In the "portability" category, the Fairphone 3+ is a bit better (50/100 vs 40/100).

Redmi K90 Ultra: The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.

Specs comparison

Specification Fairphone 3+ Redmi K90 Ultra
Processor Snapdragon 632 Qualcomm Snapdragon 8 Elite
AnTuTu 243691 3233695
Geekbench Single 295 3013
Geekbench Multi 1037 9287
Display 5.7" IPS LCD 6.8" AMOLED
Resolution 1080x2160 1280x2772
Refresh rate 60 Hz 165 Hz
Battery 3040 mAh 8550 mAh
Charging 18W 100W
Main camera 48 MP 50 MP
Ultrawide 0 MP 8 MP
Front camera 16 MP 20 MP
RAM 4GB 12GB / 16GB
Storage 64GB 256GB / 512GB
OS Android 10 Android 16
Brightness (peak) — 3500 nits
NFC yes yes
Protection — IP68/IP69
Dimensions 158.0×71.8×9.9 mm 162.9×77.9×8.2 mm
Weight 189 g 227 g
Launch price $489 $420

Camera comparison

Fairphone 3+

  • Main: 48MP f/1.8
  • Front: 16MP
31
camera

Redmi K90 Ultra

  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Display comparison

Fairphone 3+

  • 5.7" IPS LCD
  • Resolution: 1080x2160
  • Refresh rate: 60 Hz
44
display

Redmi K90 Ultra

  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display

Battery and charging

Fairphone 3+

  • 3040 mAh
  • Wired: 18W
  • Wireless charging: no data
15
battery

Redmi K90 Ultra

  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery

Overall performance score

We compared Fairphone 3+ and Redmi K90 Ultra, covering their specs and all relevant benchmarks.

Fairphone 3+ Snapdragon 632
26/100
243691 AnTuTu
Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100 +92.5%
3233695 AnTuTu

Redmi K90 Ultra leads Fairphone 3+ by 92.5% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Fairphone 3+

$489

Redmi K90 Ultra

$420

Launch price difference: $69. Redmi K90 Ultra was $69 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Redmi K90 Ultra significantly outperforms the Fairphone 3+ (92/100 vs 18/100).

display

In the "display" category, the Redmi K90 Ultra significantly outperforms the Fairphone 3+ (94/100 vs 44/100).

camera

In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 31/100).

battery

In the "battery" category, the Redmi K90 Ultra significantly outperforms the Fairphone 3+ (78/100 vs 15/100).

portability

In the "portability" category, the Fairphone 3+ is a bit better (50/100 vs 40/100).

Frequently asked questions

Which is better: the Fairphone 3+ or the Redmi K90 Ultra?

The Redmi K90 Ultra significantly outperforms the Fairphone 3+ by 47 points (73/100 vs 26/100).

What is the rating of the Fairphone 3+ and the Redmi K90 Ultra?

The Fairphone 3+ has a MobileRank rating of 26/100, the Redmi K90 Ultra — 73/100.

Which has the better camera: the Fairphone 3+ or the Redmi K90 Ultra?

The Redmi K90 Ultra leads on camera score (37/100 vs 31/100).

Which is more powerful: the Fairphone 3+ or the Redmi K90 Ultra?

The Redmi K90 Ultra leads on performance (92/100 vs 18/100).

Should you choose the Fairphone 3+ over the Redmi K90 Ultra?

The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.