Poco C40 vs Redmi K90 Pro Max

The Poco C40 (2022) runs on the JLQ, while the Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Redmi K90 Pro Max leads — 84/100 vs 11/100 (a 73-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 6000); the main camera is 13 MP vs 50 MP; the Redmi K90 Pro Max is thinner (7.9mm vs 9.2mm).

The Redmi K90 Pro Max significantly outperforms the Poco C40 by 73 points (84/100 vs 11/100).
Profile comparison
Category scores
Poco C40
Performance 0
Display 0
Camera 0
Battery 45
Design 45
Value for money 55
Redmi K90 Pro Max
Performance 94
Display 100
Camera 74
Battery 82
Design 37
Value for money 71
What makes Poco C40 better?
  • Lighter: 204g vs 210g

  • Better design/ergonomics (45/100 vs 37/100)
What makes Redmi K90 Pro Max better?
  • Bigger battery: 7560 vs 6000 mAh
  • Faster charging: 100W vs 18W
  • Better main camera: 50MP vs 13MP

  • Higher performance (94/100 vs 0/100)
  • Better camera (74/100 vs 0/100)
  • Longer battery life (82/100 vs 45/100)
  • Better display (100/100 vs 0/100)
  • Better value for money (71/100 vs 55/100)
Comparison verdict

Comparing the Poco C40 vs the Redmi K90 Pro Max, the Redmi K90 Pro Max scores 73 points higher (84/100 vs 11/100). In the "performance" category, the Redmi K90 Pro Max leads (94/100 vs 0/100). In the "camera" category, the Redmi K90 Pro Max leads (74/100 vs 0/100). In the "battery" category, the Redmi K90 Pro Max leads (82/100 vs 45/100). In the "value for money" category, the Redmi K90 Pro Max leads (71/100 vs 55/100). In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Poco C40 (94/100 vs 0/100). In the "display" category, the Redmi K90 Pro Max significantly outperforms the Poco C40 (100/100 vs 0/100). In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Poco C40 (74/100 vs 0/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Poco C40 (82/100 vs 45/100). In the "design" category, the Poco C40 is a bit better (45/100 vs 37/100). In the "value for money" category, the Redmi K90 Pro Max notably outperforms the Poco C40 (71/100 vs 55/100).

Poco C40: The Poco C40 is a better fit for everyday use.
Redmi K90 Pro Max: The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life.
Specs comparison
Specification Poco C40 Redmi K90 Pro Max
Processor JLQ Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 4119955
Geekbench Single 3640
Geekbench Multi 11033
Display 6.7" IPS LCD 6.9" OLED
Resolution 720x1650 2608x1200
Refresh rate 120 Hz
Battery 6000 mAh 7560 mAh
Charging 18W 100W
Wireless charging 0W 50W
Main camera 13 MP 50 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 5 MP 32 MP
RAM 3GB / 4GB 16GB
Storage 32GB / 64GB 256GB / 512GB / 1TB
OS Android 11, MIUI 13 for POCO Android 16
Brightness (peak) 400 nits 3500 nits
NFC yes yes
Protection IP68
Dimensions 169.6×76.6×9.2 mm 163.3×77.8×7.9 mm
Weight 204 g 210 g
Price $561
Camera comparison
Poco C40
  • Main: 13MP f/f/2.2
  • Front: 5MP
0
camera
Redmi K90 Pro Max
  • Main: 50MP f/f/1.88
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
74
camera
Display comparison
Poco C40
  • 6.7" IPS LCD
  • Resolution: 720x1650
  • Refresh rate: —
0
display
Redmi K90 Pro Max
  • 6.9" OLED
  • Resolution: 2608x1200
  • Refresh rate: 120 Hz
100
display
Battery and charging
Poco C40
  • 6000 mAh
  • Wired: 18W
  • No wireless charging
45
battery
Redmi K90 Pro Max
  • 7560 mAh
  • Wired: 100W
  • Wireless: 50W
82
battery
Benchmarks
Price and availability
Poco C40
Price unknown
Redmi K90 Pro Max
$561
Detailed category analysis
performance

In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Poco C40 (94/100 vs 0/100).

display

In the "display" category, the Redmi K90 Pro Max significantly outperforms the Poco C40 (100/100 vs 0/100).

camera

In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Poco C40 (74/100 vs 0/100).

battery

In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Poco C40 (82/100 vs 45/100).

design

In the "design" category, the Poco C40 is a bit better (45/100 vs 37/100).

value for money

In the "value for money" category, the Redmi K90 Pro Max notably outperforms the Poco C40 (71/100 vs 55/100).

Frequently asked questions
Which is better: the Poco C40 or the Redmi K90 Pro Max?

The Redmi K90 Pro Max significantly outperforms the Poco C40 by 73 points (84/100 vs 11/100).

What is the rating of the Poco C40 and the Redmi K90 Pro Max?

The Poco C40 has a MobileRank rating of 11/100, the Redmi K90 Pro Max — 84/100.

Which has the better camera: the Poco C40 or the Redmi K90 Pro Max?

The Redmi K90 Pro Max leads on camera score (74/100 vs 0/100).

Which is more powerful: the Poco C40 or the Redmi K90 Pro Max?

The Redmi K90 Pro Max leads on performance (94/100 vs 0/100).

Should you choose the Poco C40 over the Redmi K90 Pro Max?

The Poco C40 is a better fit for everyday use. The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life.