Motorola Moto G77 Power vs Redmi K90 Ultra

The Motorola Moto G77 Power (2026) runs on the MediaTek Dimensity 6400, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $272 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 50/100 (a 23-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7000); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 550,018).

The Redmi K90 Ultra significantly outperforms the Motorola Moto G77 Power by 23 points (73/100 vs 50/100).
Profile comparison
Category scores
Motorola Moto G77 Power
Performance 44
Display 66
Camera 40
Battery 67
Portability 44
Value for money 48
Redmi K90 Ultra
Performance 92
Display 94
Camera 37
Battery 78
Portability 40
Value for money 82
What makes Motorola Moto G77 Power better?
  • Lighter: 215g vs 227g
  • Cheaper at launch: $272 vs $420

  • Better camera (40/100 vs 37/100)
  • Better portability (44/100 vs 40/100)
What makes Redmi K90 Ultra better?
  • Higher AnTuTu: 3119308 vs 550018
  • Better Geekbench Single: 3041 vs 803
  • Better Geekbench Multi: 9494 vs 2047
  • Bigger battery: 8550 vs 7000 mAh
  • Faster charging: 100W vs 30W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (92/100 vs 44/100)
  • Longer battery life (78/100 vs 67/100)
  • Better display (94/100 vs 66/100)
Comparison verdict

Comparing the Motorola Moto G77 Power vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 23 points higher (73/100 vs 50/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 44/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 67/100). Value score: Motorola Moto G77 Power — 48/100, 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 Motorola Moto G77 Power (92/100 vs 44/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Motorola Moto G77 Power (94/100 vs 66/100). In the "camera" category, the Motorola Moto G77 Power and the Redmi K90 Ultra are nearly equal (40/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 67/100). In the "portability" category, the Motorola Moto G77 Power and the Redmi K90 Ultra are nearly equal (44/100 vs 40/100).

Motorola Moto G77 Power: The Motorola Moto G77 Power 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 Motorola Moto G77 Power Redmi K90 Ultra
Processor MediaTek Dimensity 6400 Qualcomm Snapdragon 8 Elite
AnTuTu 550018 3119308
Geekbench Single 803 3041
Geekbench Multi 2047 9494
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 32 MP 20 MP
RAM 8GB 12GB / 16GB
Storage 128GB 256GB / 512GB
OS Android 16 Android 16
Brightness (peak) 1050 nits 3500 nits
NFC yes yes
Protection IP64 IP68/IP69
Dimensions 162.9×77.9×8.2 mm
Weight 215 g 227 g
Launch price $272 $420
Camera comparison
Motorola Moto G77 Power
  • Main: 50MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 32MP
40
camera
Redmi K90 Ultra
  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera
Display comparison
Motorola Moto G77 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 G77 Power
  • 7000 mAh
  • Wired: 30W
  • Wireless charging: no data
67
battery
Redmi K90 Ultra
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery
Overall performance score

We compared Motorola Moto G77 Power and Redmi K90 Ultra, covering their specs and all relevant benchmarks.

Motorola Moto G77 Power MediaTek Dimensity 6400
50/100
550018 AnTuTu
Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100 +82.4%
3119308 AnTuTu

Redmi K90 Ultra leads Motorola Moto G77 Power by 82.4% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Motorola Moto G77 Power
$272
Redmi K90 Ultra
$420

Launch price difference: $148. Motorola Moto G77 Power was $148 cheaper at launch.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Ultra significantly outperforms the Motorola Moto G77 Power (92/100 vs 44/100).

display

In the "display" category, the Redmi K90 Ultra notably outperforms the Motorola Moto G77 Power (94/100 vs 66/100).

camera

In the "camera" category, the Motorola Moto G77 Power and the Redmi K90 Ultra are nearly equal (40/100 vs 37/100).

battery

In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 67/100).

portability

In the "portability" category, the Motorola Moto G77 Power and the Redmi K90 Ultra are nearly equal (44/100 vs 40/100).

Frequently asked questions
Which is better: the Motorola Moto G77 Power or the Redmi K90 Ultra?

The Redmi K90 Ultra significantly outperforms the Motorola Moto G77 Power by 23 points (73/100 vs 50/100).

What is the rating of the Motorola Moto G77 Power and the Redmi K90 Ultra?

The Motorola Moto G77 Power has a MobileRank rating of 50/100, the Redmi K90 Ultra — 73/100.

Which is more powerful: the Motorola Moto G77 Power or the Redmi K90 Ultra?

The Redmi K90 Ultra leads on performance (92/100 vs 44/100).

Should you choose the Motorola Moto G77 Power over the Redmi K90 Ultra?

The Motorola Moto G77 Power 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.