Infinix Smart 20 vs Redmi K90 Pro Max

The Infinix Smart 20 (2026) runs on the MediaTek Helio G81 Ultimate, while the Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $149 and $561. By overall MobileRank rating, the Redmi K90 Pro Max leads — 86/100 vs 33/100 (a 53-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 5200); the main camera is 8 MP vs 50 MP; the Redmi K90 Pro Max is faster in AnTuTu (4,119,955 vs 358,383).

The Redmi K90 Pro Max significantly outperforms the Infinix Smart 20 by 53 points (86/100 vs 33/100).
Profile comparison
Category scores
Infinix Smart 20
Performance 30
Display 55
Camera 10
Battery 48
Portability 68
Value for money 42
Redmi K90 Pro Max
Performance 98
Display 81
Camera 78
Battery 89
Portability 54
Value for money 90
What makes Infinix Smart 20 better?
  • Cheaper at launch: $149 vs $561

  • Better portability (68/100 vs 54/100)
What makes Redmi K90 Pro Max better?
  • Higher AnTuTu: 4119955 vs 358383
  • Better Geekbench Single: 3640 vs 432
  • Better Geekbench Multi: 11033 vs 1416
  • Bigger battery: 7560 vs 5200 mAh
  • Faster charging: 100W vs 15W
  • Better main camera: 50MP vs 8MP

  • Higher performance (98/100 vs 30/100)
  • Better camera (78/100 vs 10/100)
  • Longer battery life (89/100 vs 48/100)
  • Better display (81/100 vs 55/100)
Comparison verdict

Comparing the Infinix Smart 20 vs the Redmi K90 Pro Max, the Redmi K90 Pro Max scores 53 points higher (86/100 vs 33/100). In the "performance" category, the Redmi K90 Pro Max leads (98/100 vs 30/100). In the "camera" category, the Redmi K90 Pro Max leads (78/100 vs 10/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 48/100). Value score: Infinix Smart 20 — 42/100, Redmi K90 Pro Max — 90/100; 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 Pro Max significantly outperforms the Infinix Smart 20 (98/100 vs 30/100). In the "display" category, the Redmi K90 Pro Max notably outperforms the Infinix Smart 20 (81/100 vs 55/100). In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart 20 (78/100 vs 10/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart 20 (89/100 vs 48/100). In the "portability" category, the Infinix Smart 20 is a bit better (68/100 vs 54/100).

Infinix Smart 20: The Infinix Smart 20 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, budget-conscious buyers.
Specs comparison
Specification Infinix Smart 20 Redmi K90 Pro Max
Processor MediaTek Helio G81 Ultimate Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 358383 4119955
Geekbench Single 432 3640
Geekbench Multi 1416 11033
Display 6.8" IPS LCD 6.9" OLED
Resolution 1576x720 2608x1200
Refresh rate 120 Hz 120 Hz
Battery 5200 mAh 7560 mAh
Charging 15W 100W
Wireless charging 0W 50W
Main camera 8 MP 50 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 8 MP 32 MP
RAM 4GB 16GB
Storage 64GB / 128GB 256GB / 512GB / 1TB
OS Android 16 Android 16
Brightness (peak) 700 nits 3500 nits
NFC yes yes
Protection IP64 IP68
Dimensions 167.7×78.8×7.7 mm 163.3×77.8×7.9 mm
Weight 210 g
Launch price $149 $561
Camera comparison
Infinix Smart 20
  • Main: 8MP f/f/2.0
  • Front: 8MP
10
camera
Redmi K90 Pro Max
  • Main: 50MP f/f/1.88
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera
Display comparison
Infinix Smart 20
  • 6.8" IPS LCD
  • Resolution: 1576x720
  • Refresh rate: 120 Hz
55
display
Redmi K90 Pro Max
  • 6.9" OLED
  • Resolution: 2608x1200
  • Refresh rate: 120 Hz
81
display
Battery and charging
Infinix Smart 20
  • 5200 mAh
  • Wired: 15W
  • No wireless charging
48
battery
Redmi K90 Pro Max
  • 7560 mAh
  • Wired: 100W
  • Wireless: 50W
89
battery
Overall performance score

We compared Infinix Smart 20 and Redmi K90 Pro Max, covering their specs and all relevant benchmarks.

Infinix Smart 20 MediaTek Helio G81 Ultimate
33/100
358383 AnTuTu
Redmi K90 Pro Max Qualcomm Snapdragon 8 Elite Gen 5
86/100 +91.3%
4119955 AnTuTu

Redmi K90 Pro Max leads Infinix Smart 20 by 91.3% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Infinix Smart 20
$149
Redmi K90 Pro Max
$561

Launch price difference: $412. Infinix Smart 20 was $412 cheaper at launch.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart 20 (98/100 vs 30/100).

display

In the "display" category, the Redmi K90 Pro Max notably outperforms the Infinix Smart 20 (81/100 vs 55/100).

camera

In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart 20 (78/100 vs 10/100).

battery

In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Infinix Smart 20 (89/100 vs 48/100).

portability

In the "portability" category, the Infinix Smart 20 is a bit better (68/100 vs 54/100).

Frequently asked questions
Which is better: the Infinix Smart 20 or the Redmi K90 Pro Max?

The Redmi K90 Pro Max significantly outperforms the Infinix Smart 20 by 53 points (86/100 vs 33/100).

What is the rating of the Infinix Smart 20 and the Redmi K90 Pro Max?

The Infinix Smart 20 has a MobileRank rating of 33/100, the Redmi K90 Pro Max — 86/100.

Which has the better camera: the Infinix Smart 20 or the Redmi K90 Pro Max?

The Redmi K90 Pro Max leads on camera score (78/100 vs 10/100).

Which is more powerful: the Infinix Smart 20 or the Redmi K90 Pro Max?

The Redmi K90 Pro Max leads on performance (98/100 vs 30/100).

Should you choose the Infinix Smart 20 over the Redmi K90 Pro Max?

The Infinix Smart 20 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, budget-conscious buyers.