Infinix Smart 20 vs Redmi K90 Max

The Infinix Smart 20 (2026) runs on the MediaTek Helio G81 Ultimate, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500; launch prices were $149 and $504. By overall MobileRank rating, the Redmi K90 Max leads — 74/100 vs 33/100 (a 41-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5200); the main camera is 8 MP vs 50 MP; the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 358,383).

The Redmi K90 Max significantly outperforms the Infinix Smart 20 by 41 points (74/100 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 Max
Performance 95
Display 94
Camera 37
Battery 78
Portability 41
Value for money 74
What makes Infinix Smart 20 better?
  • Cheaper at launch: $149 vs $504

  • Better portability (68/100 vs 41/100)
What makes Redmi K90 Max better?
  • Higher AnTuTu: 3803420 vs 358383
  • Better Geekbench Single: 3228 vs 432
  • Better Geekbench Multi: 9553 vs 1416
  • Bigger battery: 8550 vs 5200 mAh
  • Faster charging: 100W vs 15W
  • Better main camera: 50MP vs 8MP
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (95/100 vs 30/100)
  • Better camera (37/100 vs 10/100)
  • Longer battery life (78/100 vs 48/100)
  • Better display (94/100 vs 55/100)
Comparison verdict

Comparing the Infinix Smart 20 vs the Redmi K90 Max, the Redmi K90 Max scores 41 points higher (74/100 vs 33/100). In the "performance" category, the Redmi K90 Max leads (95/100 vs 30/100). In the "camera" category, the Redmi K90 Max leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Max leads (78/100 vs 48/100). Value score: Infinix Smart 20 — 42/100, Redmi K90 Max — 74/100; 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 Max significantly outperforms the Infinix Smart 20 (95/100 vs 30/100). In the "display" category, the Redmi K90 Max significantly outperforms the Infinix Smart 20 (94/100 vs 55/100). In the "camera" category, the Redmi K90 Max notably outperforms the Infinix Smart 20 (37/100 vs 10/100). In the "battery" category, the Redmi K90 Max significantly outperforms the Infinix Smart 20 (78/100 vs 48/100). In the "portability" category, the Infinix Smart 20 notably outperforms the Redmi K90 Max (68/100 vs 41/100).

Infinix Smart 20: The Infinix Smart 20 is a better fit for everyday use.
Redmi K90 Max: The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.
Specs comparison
Specification Infinix Smart 20 Redmi K90 Max
Processor MediaTek Helio G81 Ultimate MediaTek Dimensity 9500
AnTuTu 358383 3803420
Geekbench Single 432 3228
Geekbench Multi 1416 9553
Display 6.8" IPS LCD 6.8" AMOLED
Resolution 1576x720 2772x1280
Refresh rate 120 Hz 165 Hz
Battery 5200 mAh 8550 mAh
Charging 15W 100W
Main camera 8 MP 50 MP
Ultrawide 0 MP 8 MP
Front camera 8 MP 20 MP
RAM 4GB 12GB / 16GB
Storage 64GB / 128GB 256GB / 512GB / 1TB
OS Android 16 Android 16
Brightness (peak) 700 nits 3500 nits
NFC yes yes
Protection IP64 IP66
Dimensions 167.7×78.8×7.7 mm 162.9×77.9×8.1 mm
Weight 227 g
Launch price $149 $504
Camera comparison
Infinix Smart 20
  • Main: 8MP f/f/2.0
  • Front: 8MP
10
camera
Redmi K90 Max
  • Main: 50MP f/f/1.68
  • Ultrawide: 8MP
  • Front: 20MP
37
camera
Display comparison
Infinix Smart 20
  • 6.8" IPS LCD
  • Resolution: 1576x720
  • Refresh rate: 120 Hz
55
display
Redmi K90 Max
  • 6.8" AMOLED
  • Resolution: 2772x1280
  • Refresh rate: 165 Hz
94
display
Battery and charging
Infinix Smart 20
  • 5200 mAh
  • Wired: 15W
  • No wireless charging
48
battery
Redmi K90 Max
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery
Overall performance score

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

Infinix Smart 20 MediaTek Helio G81 Ultimate
33/100
358383 AnTuTu
Redmi K90 Max MediaTek Dimensity 9500
74/100 +90.6%
3803420 AnTuTu

Redmi K90 Max leads Infinix Smart 20 by 90.6% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Infinix Smart 20
$149
Redmi K90 Max
$504

Launch price difference: $355. Infinix Smart 20 was $355 cheaper at launch.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Max significantly outperforms the Infinix Smart 20 (95/100 vs 30/100).

display

In the "display" category, the Redmi K90 Max significantly outperforms the Infinix Smart 20 (94/100 vs 55/100).

camera

In the "camera" category, the Redmi K90 Max notably outperforms the Infinix Smart 20 (37/100 vs 10/100).

battery

In the "battery" category, the Redmi K90 Max significantly outperforms the Infinix Smart 20 (78/100 vs 48/100).

portability

In the "portability" category, the Infinix Smart 20 notably outperforms the Redmi K90 Max (68/100 vs 41/100).

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

The Redmi K90 Max significantly outperforms the Infinix Smart 20 by 41 points (74/100 vs 33/100).

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

The Infinix Smart 20 has a MobileRank rating of 33/100, the Redmi K90 Max — 74/100.

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

The Redmi K90 Max leads on camera score (37/100 vs 10/100).

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

The Redmi K90 Max leads on performance (95/100 vs 30/100).

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

The Infinix Smart 20 is a better fit for everyday use. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.