Poco C75 vs Redmi K90 Ultra

The Poco C75 (2024) runs on the MediaTek Helio G81 Ultra, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 37/100 (a 36-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5160); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 358,383); the Poco C75 is noticeably lighter (204g vs 227g).

The Redmi K90 Ultra significantly outperforms the Poco C75 by 36 points (73/100 vs 37/100).
Profile comparison
Category scores
Poco C75
Performance 30
Display 55
Camera 31
Battery 46
Portability 55
Value for money
Redmi K90 Ultra
Performance 92
Display 94
Camera 37
Battery 78
Portability 40
Value for money 82
What makes Poco C75 better?
  • Lighter: 204g vs 227g

  • Better portability (55/100 vs 40/100)
What makes Redmi K90 Ultra better?
  • Higher AnTuTu: 3119308 vs 358383
  • Better Geekbench Single: 3041 vs 432
  • Better Geekbench Multi: 9494 vs 1416
  • Bigger battery: 8550 vs 5160 mAh
  • Faster charging: 100W vs 18W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (92/100 vs 30/100)
  • Better camera (37/100 vs 31/100)
  • Longer battery life (78/100 vs 46/100)
  • Better display (94/100 vs 55/100)
Comparison verdict

Comparing the Poco C75 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 36 points higher (73/100 vs 37/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 30/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 46/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Poco C75 (92/100 vs 30/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Poco C75 (94/100 vs 55/100). 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 Poco C75 (78/100 vs 46/100). In the "portability" category, the Poco C75 notably outperforms the Redmi K90 Ultra (55/100 vs 40/100).

Poco C75: The Poco C75 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 Poco C75 Redmi K90 Ultra
Processor MediaTek Helio G81 Ultra Qualcomm Snapdragon 8 Elite
AnTuTu 358383 3119308
Geekbench Single 432 3041
Geekbench Multi 1416 9494
Display 6.9" IPS LCD 6.8" AMOLED
Resolution 720x1640 1280x2772
Refresh rate 120 Hz 165 Hz
Battery 5160 mAh 8550 mAh
Charging 18W 100W
Main camera 50 MP 50 MP
Ultrawide 0 MP 8 MP
Front camera 13 MP 20 MP
RAM 6GB / 8GB 12GB / 16GB
Storage 128GB / 256GB 256GB / 512GB
OS Android 14, HyperOS Android 16
Brightness (peak) 600 nits 3500 nits
NFC yes yes
Protection IP68/IP69
Dimensions 171.9×77.8×8.2 mm 162.9×77.9×8.2 mm
Weight 204 g 227 g
Launch price $420
Camera comparison
Poco C75
  • Main: 50MP f/f/1.8
  • Front: 13MP
31
camera
Redmi K90 Ultra
  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera
Display comparison
Poco C75
  • 6.9" IPS LCD
  • Resolution: 720x1640
  • Refresh rate: 120 Hz
55
display
Redmi K90 Ultra
  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display
Battery and charging
Poco C75
  • 5160 mAh
  • Wired: 18W
  • No wireless charging
46
battery
Redmi K90 Ultra
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery
Overall performance score

We compared Poco C75 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.

Poco C75 MediaTek Helio G81 Ultra
37/100
358383 AnTuTu
Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100 +88.5%
3119308 AnTuTu

Redmi K90 Ultra leads Poco C75 by 88.5% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Poco C75
Price unknown
Redmi K90 Ultra
$420
Detailed category analysis
performance

In the "performance" category, the Redmi K90 Ultra significantly outperforms the Poco C75 (92/100 vs 30/100).

display

In the "display" category, the Redmi K90 Ultra significantly outperforms the Poco C75 (94/100 vs 55/100).

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 Poco C75 (78/100 vs 46/100).

portability

In the "portability" category, the Poco C75 notably outperforms the Redmi K90 Ultra (55/100 vs 40/100).

Frequently asked questions
Which is better: the Poco C75 or the Redmi K90 Ultra?

The Redmi K90 Ultra significantly outperforms the Poco C75 by 36 points (73/100 vs 37/100).

What is the rating of the Poco C75 and the Redmi K90 Ultra?

The Poco C75 has a MobileRank rating of 37/100, the Redmi K90 Ultra — 73/100.

Which has the better camera: the Poco C75 or the Redmi K90 Ultra?

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

Which is more powerful: the Poco C75 or the Redmi K90 Ultra?

The Redmi K90 Ultra leads on performance (92/100 vs 30/100).

Should you choose the Poco C75 over the Redmi K90 Ultra?

The Poco C75 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.