Redmi A5 vs Redmi K90 Ultra

The Redmi A5 (2025) runs on the MediaTek Helio G36, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $90 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 25/100 (a 48-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 13 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 195,539); the Redmi A5 is noticeably lighter (196g vs 227g).

The Redmi K90 Ultra significantly outperforms the Redmi A5 by 48 points (73/100 vs 25/100).
Profile comparison
Category scores
Redmi A5
Performance 11
Display 32
Camera 10
Battery 66
Portability 64
Value for money 34
Redmi K90 Ultra
Performance 92
Display 94
Camera 37
Battery 78
Portability 40
Value for money 82
What makes Redmi A5 better?
  • Lighter: 196g vs 227g
  • Cheaper at launch: $90 vs $420

  • Better portability (64/100 vs 40/100)
What makes Redmi K90 Ultra better?
  • Higher AnTuTu: 3119308 vs 195539
  • Better Geekbench Single: 3041 vs 189
  • Better Geekbench Multi: 9494 vs 781
  • Bigger battery: 8550 vs 5000 mAh
  • Better main camera: 50MP vs 13MP
  • Higher refresh rate: 165Hz vs 60Hz

  • Higher performance (92/100 vs 11/100)
  • Better camera (37/100 vs 10/100)
  • Longer battery life (78/100 vs 66/100)
  • Better display (94/100 vs 32/100)
Comparison verdict

Comparing the Redmi A5 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 48 points higher (73/100 vs 25/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 11/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 66/100). Value score: Redmi A5 — 34/100, Redmi K90 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi A5 (92/100 vs 11/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi A5 (94/100 vs 32/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Redmi A5 (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100). In the "portability" category, the Redmi A5 notably outperforms the Redmi K90 Ultra (64/100 vs 40/100).

Redmi A5: The Redmi A5 is a better fit for everyday use.
Redmi K90 Ultra: The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification Redmi A5 Redmi K90 Ultra
Processor MediaTek Helio G36 Qualcomm Snapdragon 8 Elite
AnTuTu 195539 3119308
Geekbench Single 189 3041
Geekbench Multi 781 9494
Display 6.9" IPS LCD 6.8" AMOLED
Resolution 1280x2772
Refresh rate 60 Hz 165 Hz
Battery 5000 mAh 8550 mAh
Charging 100W
Main camera 13 MP 50 MP
Ultrawide 0 MP 8 MP
Front camera 5 MP 20 MP
RAM 2GB / 3GB / 4GB 12GB / 16GB
Storage 32GB / 64GB / 128GB 256GB / 512GB
OS Android 16
Brightness (peak) 3500 nits
NFC yes
Protection IP68/IP69
Dimensions 162.9×77.9×8.2 mm
Weight 196 g 227 g
Launch price $90 $420
Camera comparison
Redmi A5
  • Main: 13MP
  • Front: 5MP
10
camera
Redmi K90 Ultra
  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera
Display comparison
Redmi A5
  • 6.9" IPS LCD
  • Refresh rate: 60 Hz
32
display
Redmi K90 Ultra
  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display
Battery and charging
Redmi A5
  • 5000 mAh
  • Wireless charging: no data
66
battery
Redmi K90 Ultra
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery
Overall performance score

We compared Redmi A5 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.

Redmi A5 MediaTek Helio G36
25/100
195539 AnTuTu
Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100 +93.7%
3119308 AnTuTu

Redmi K90 Ultra leads Redmi A5 by 93.7% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Redmi A5
$90
Redmi K90 Ultra
$420

Launch price difference: $330. Redmi A5 was $330 cheaper at launch.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi A5 (92/100 vs 11/100).

display

In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi A5 (94/100 vs 32/100).

camera

In the "camera" category, the Redmi K90 Ultra notably outperforms the Redmi A5 (37/100 vs 10/100).

battery

In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100).

portability

In the "portability" category, the Redmi A5 notably outperforms the Redmi K90 Ultra (64/100 vs 40/100).

Frequently asked questions
Which is better: the Redmi A5 or the Redmi K90 Ultra?

The Redmi K90 Ultra significantly outperforms the Redmi A5 by 48 points (73/100 vs 25/100).

What is the rating of the Redmi A5 and the Redmi K90 Ultra?

The Redmi A5 has a MobileRank rating of 25/100, the Redmi K90 Ultra — 73/100.

Which has the better camera: the Redmi A5 or the Redmi K90 Ultra?

The Redmi K90 Ultra leads on camera score (37/100 vs 10/100).

Which is more powerful: the Redmi A5 or the Redmi K90 Ultra?

The Redmi K90 Ultra leads on performance (92/100 vs 11/100).

Should you choose the Redmi A5 over the Redmi K90 Ultra?

The Redmi A5 is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.