Redmi A5 vs Redmi K90 Ultra

The Redmi A5 (2025) runs on the Unisoc T7250, 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 36/100 (a 37-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5200); the main camera is 32 MP vs 50 MP; the Redmi K90 Ultra has NFC for contactless payments, the Redmi A5 doesn't; the Redmi A5 is noticeably lighter (193g vs 227g).

The Redmi K90 Ultra significantly outperforms the Redmi A5 by 37 points (73/100 vs 36/100).

Profile comparison

Category scores

Redmi A5

Performance 32
Display 55
Camera 20
Battery 48
Portability 60
Value for money 64

Redmi K90 Ultra

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

What makes Redmi A5 better?

  • Lighter: 193g vs 227g
  • Cheaper at launch: $90 vs $420

  • Better portability (60/100 vs 40/100)

What makes Redmi K90 Ultra better?

  • Better Geekbench Single: 3013 vs 600
  • Better Geekbench Multi: 9287 vs 1800
  • Bigger battery: 8550 vs 5200 mAh
  • Faster charging: 100W vs 15W
  • Better main camera: 50MP vs 32MP
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (92/100 vs 32/100)
  • Better camera (37/100 vs 20/100)
  • Longer battery life (78/100 vs 48/100)
  • Better display (94/100 vs 55/100)

Comparison verdict

Comparing the Redmi A5 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 37 points higher (73/100 vs 36/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 32/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 20/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 48/100). Value score: Redmi A5 — 64/100, 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 Redmi A5 (92/100 vs 32/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi A5 (94/100 vs 55/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Redmi A5 (37/100 vs 20/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi A5 (78/100 vs 48/100). In the "portability" category, the Redmi A5 notably outperforms the Redmi K90 Ultra (60/100 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 Redmi A5 Redmi K90 Ultra
Processor Unisoc T7250 Qualcomm Snapdragon 8 Elite
AnTuTu — 3233695
Geekbench Single 600 3013
Geekbench Multi 1800 9287
Display 6.9" IPS LCD 6.8" AMOLED
Resolution 1640x720 1280x2772
Refresh rate 120 Hz 165 Hz
Battery 5200 mAh 8550 mAh
Charging 15W 100W
Main camera 32 MP 50 MP
Ultrawide 0 MP 8 MP
Front camera 8 MP 20 MP
RAM 3GB / 4GB 12GB / 16GB
Storage 64GB / 128GB 256GB / 512GB
OS Android 15 (Go Edition) Android 16
Brightness (peak) — 3500 nits
NFC no yes
Protection — IP68/IP69
Dimensions 171.7×77.8×8.3 mm 162.9×77.9×8.2 mm
Weight 193 g 227 g
Launch price $90 $420

Camera comparison

Redmi A5

  • Main: 32MP f/2.0
  • Front: 8MP
20
camera

Redmi K90 Ultra

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

Display comparison

Redmi A5

  • 6.9" IPS LCD
  • Resolution: 1640x720
  • Refresh rate: 120 Hz
55
display

Redmi K90 Ultra

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

Battery and charging

Redmi A5

  • 5200 mAh
  • Wired: 15W
  • No wireless charging
48
battery

Redmi K90 Ultra

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

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 32/100).

display

In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi A5 (94/100 vs 55/100).

camera

In the "camera" category, the Redmi K90 Ultra notably outperforms the Redmi A5 (37/100 vs 20/100).

battery

In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi A5 (78/100 vs 48/100).

portability

In the "portability" category, the Redmi A5 notably outperforms the Redmi K90 Ultra (60/100 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 37 points (73/100 vs 36/100).

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

The Redmi A5 has a MobileRank rating of 36/100, 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 20/100).

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

The Redmi K90 Ultra leads on performance (92/100 vs 32/100).

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

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