Motorola Moto G57 Power vs Redmi K90 Ultra

The Motorola Moto G57 Power (2025) runs on the Qualcomm Snapdragon 6s Gen 4, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $286 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 51/100 (a 22-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 829,894); the Motorola Moto G57 Power is noticeably lighter (211g vs 227g).

The Redmi K90 Ultra significantly outperforms the Motorola Moto G57 Power by 22 points (73/100 vs 51/100).

Profile comparison

Category scores

Motorola Moto G57 Power

Performance 55
Display 66
Camera 33
Battery 57
Portability 46
Value for money 44

Redmi K90 Ultra

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

What makes Motorola Moto G57 Power better?

  • Lighter: 211g vs 227g
  • Cheaper at launch: $286 vs $420

  • Better portability (46/100 vs 40/100)

What makes Redmi K90 Ultra better?

  • Higher AnTuTu: 3233695 vs 829894
  • Better Geekbench Single: 3013 vs 1009
  • Better Geekbench Multi: 9287 vs 2892
  • Bigger battery: 8550 vs 7000 mAh
  • Faster charging: 100W vs 30W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (92/100 vs 55/100)
  • Better camera (37/100 vs 33/100)
  • Longer battery life (78/100 vs 57/100)
  • Better display (94/100 vs 66/100)

Comparison verdict

Comparing the Motorola Moto G57 Power vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 22 points higher (73/100 vs 51/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 55/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 57/100). Value score: Motorola Moto G57 Power — 44/100, 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 Motorola Moto G57 Power (92/100 vs 55/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Motorola Moto G57 Power (94/100 vs 66/100). In the "camera" category, the Redmi K90 Ultra and the Motorola Moto G57 Power are nearly equal (37/100 vs 33/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Motorola Moto G57 Power (78/100 vs 57/100). In the "portability" category, the Motorola Moto G57 Power is a bit better (46/100 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 Motorola Moto G57 Power Redmi K90 Ultra
Processor Qualcomm Snapdragon 6s Gen 4 Qualcomm Snapdragon 8 Elite
AnTuTu 829894 3233695
Geekbench Single 1009 3013
Geekbench Multi 2892 9287
Display 6.7" IPS LCD 6.8" AMOLED
Resolution 1080x2400 1280x2772
Refresh rate 120 Hz 165 Hz
Battery 7000 mAh 8550 mAh
Charging 30W 100W
Main camera 50 MP 50 MP
Ultrawide 8 MP 8 MP
Front camera 8 MP 20 MP
RAM 8GB / 12GB 12GB / 16GB
Storage 128GB / 256GB 256GB / 512GB
OS Android 16 Android 16
Brightness (peak) 1050 nits 3500 nits
NFC yes yes
Protection IP64 IP68/IP69
Dimensions 166.2×76.5×8.6 mm 162.9×77.9×8.2 mm
Weight 211 g 227 g
Launch price $286 $420

Camera comparison

Motorola Moto G57 Power

  • Main: 50MP f/1.8
  • Ultrawide: 8MP
  • Front: 8MP
33
camera

Redmi K90 Ultra

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

Display comparison

Motorola Moto G57 Power

  • 6.7" IPS LCD
  • Resolution: 1080x2400
  • Refresh rate: 120 Hz
66
display

Redmi K90 Ultra

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

Battery and charging

Motorola Moto G57 Power

  • 7000 mAh
  • Wired: 30W
  • No wireless charging
57
battery

Redmi K90 Ultra

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

Overall performance score

We compared Motorola Moto G57 Power and Redmi K90 Ultra, covering their specs and all relevant benchmarks.

Motorola Moto G57 Power Qualcomm Snapdragon 6s Gen 4
51/100
829894 AnTuTu
Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100 +74.3%
3233695 AnTuTu

Redmi K90 Ultra leads Motorola Moto G57 Power by 74.3% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Motorola Moto G57 Power

$286

Redmi K90 Ultra

$420

Launch price difference: $134. Motorola Moto G57 Power was $134 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Redmi K90 Ultra significantly outperforms the Motorola Moto G57 Power (92/100 vs 55/100).

display

In the "display" category, the Redmi K90 Ultra notably outperforms the Motorola Moto G57 Power (94/100 vs 66/100).

camera

In the "camera" category, the Redmi K90 Ultra and the Motorola Moto G57 Power are nearly equal (37/100 vs 33/100).

battery

In the "battery" category, the Redmi K90 Ultra notably outperforms the Motorola Moto G57 Power (78/100 vs 57/100).

portability

In the "portability" category, the Motorola Moto G57 Power is a bit better (46/100 vs 40/100).

Frequently asked questions

Which is better: the Motorola Moto G57 Power or the Redmi K90 Ultra?

The Redmi K90 Ultra significantly outperforms the Motorola Moto G57 Power by 22 points (73/100 vs 51/100).

What is the rating of the Motorola Moto G57 Power and the Redmi K90 Ultra?

The Motorola Moto G57 Power has a MobileRank rating of 51/100, the Redmi K90 Ultra — 73/100.

Which is more powerful: the Motorola Moto G57 Power or the Redmi K90 Ultra?

The Redmi K90 Ultra leads on performance (92/100 vs 55/100).

Should you choose the Motorola Moto G57 Power over the Redmi K90 Ultra?

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