Infinix Smart3 Plus vs Redmi K90 Max

The Infinix Smart3 Plus (2019) runs on the MediaTek Helio A22, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Redmi K90 Max leads — 74/100 vs 18/100 (a 56-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 3500); the main camera is 13 MP vs 50 MP; the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 155,362); the Redmi K90 Max has NFC for contactless payments, the Infinix Smart3 Plus doesn't; the Infinix Smart3 Plus is noticeably lighter (148g vs 227g).

The Redmi K90 Max significantly outperforms the Infinix Smart3 Plus by 56 points (74/100 vs 18/100).
Profile comparison
Category scores
Infinix Smart3 Plus
Performance 10
Display 39
Camera 10
Battery 15
Portability 85
Value for money
Redmi K90 Max
Performance 95
Display 94
Camera 37
Battery 78
Portability 41
Value for money 74
What makes Infinix Smart3 Plus better?
  • Lighter: 148g vs 227g

  • Better portability (85/100 vs 41/100)
What makes Redmi K90 Max better?
  • Higher AnTuTu: 3803420 vs 155362
  • Better Geekbench Single: 3228 vs 300
  • Better Geekbench Multi: 9553 vs 486
  • Bigger battery: 8550 vs 3500 mAh
  • Better main camera: 50MP vs 13MP

  • Higher performance (95/100 vs 10/100)
  • Better camera (37/100 vs 10/100)
  • Longer battery life (78/100 vs 15/100)
  • Better display (94/100 vs 39/100)
Comparison verdict

Comparing the Infinix Smart3 Plus vs the Redmi K90 Max, the Redmi K90 Max scores 56 points higher (74/100 vs 18/100). In the "performance" category, the Redmi K90 Max leads (95/100 vs 10/100). 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 15/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Infinix Smart3 Plus (95/100 vs 10/100). In the "display" category, the Redmi K90 Max significantly outperforms the Infinix Smart3 Plus (94/100 vs 39/100). In the "camera" category, the Redmi K90 Max notably outperforms the Infinix Smart3 Plus (37/100 vs 10/100). In the "battery" category, the Redmi K90 Max significantly outperforms the Infinix Smart3 Plus (78/100 vs 15/100). In the "portability" category, the Infinix Smart3 Plus significantly outperforms the Redmi K90 Max (85/100 vs 41/100).

Infinix Smart3 Plus: The Infinix Smart3 Plus 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 Smart3 Plus Redmi K90 Max
Processor MediaTek Helio A22 MediaTek Dimensity 9500
AnTuTu 155362 3803420
Geekbench Single 300 3228
Geekbench Multi 486 9553
Display 6.2" LTPS IPS LCD 6.8" AMOLED
Resolution 720x1520 2772x1280
Refresh rate 165 Hz
Battery 3500 mAh 8550 mAh
Charging 100W
Main camera 13 MP 50 MP
Ultrawide 0 MP 8 MP
Front camera 8 MP 20 MP
RAM 3GB 12GB / 16GB
Storage 32GB 256GB / 512GB / 1TB
OS Android 9.0 (Pie) Android 16
Brightness (peak) 3500 nits
NFC no yes
Protection IP66
Dimensions 157.0×76.0×7.8 mm 162.9×77.9×8.1 mm
Weight 148 g 227 g
Launch price $504
Camera comparison
Infinix Smart3 Plus
  • Main: 13MP f/f/1.8
  • Front: 8MP
10
camera
Redmi K90 Max
  • Main: 50MP f/f/1.68
  • Ultrawide: 8MP
  • Front: 20MP
37
camera
Display comparison
Infinix Smart3 Plus
  • 6.2" LTPS IPS LCD
  • Resolution: 720x1520
  • Refresh rate: —
39
display
Redmi K90 Max
  • 6.8" AMOLED
  • Resolution: 2772x1280
  • Refresh rate: 165 Hz
94
display
Battery and charging
Infinix Smart3 Plus
  • 3500 mAh
  • Wireless charging: no data
15
battery
Redmi K90 Max
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery
Overall performance score

We compared Infinix Smart3 Plus and Redmi K90 Max, covering their specs and all relevant benchmarks.

Infinix Smart3 Plus MediaTek Helio A22
18/100
155362 AnTuTu
Redmi K90 Max MediaTek Dimensity 9500
74/100 +95.9%
3803420 AnTuTu

Redmi K90 Max leads Infinix Smart3 Plus by 95.9% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Infinix Smart3 Plus
Price unknown
Redmi K90 Max
$504
Detailed category analysis
performance

In the "performance" category, the Redmi K90 Max significantly outperforms the Infinix Smart3 Plus (95/100 vs 10/100).

display

In the "display" category, the Redmi K90 Max significantly outperforms the Infinix Smart3 Plus (94/100 vs 39/100).

camera

In the "camera" category, the Redmi K90 Max notably outperforms the Infinix Smart3 Plus (37/100 vs 10/100).

battery

In the "battery" category, the Redmi K90 Max significantly outperforms the Infinix Smart3 Plus (78/100 vs 15/100).

portability

In the "portability" category, the Infinix Smart3 Plus significantly outperforms the Redmi K90 Max (85/100 vs 41/100).

Frequently asked questions
Which is better: the Infinix Smart3 Plus or the Redmi K90 Max?

The Redmi K90 Max significantly outperforms the Infinix Smart3 Plus by 56 points (74/100 vs 18/100).

What is the rating of the Infinix Smart3 Plus and the Redmi K90 Max?

The Infinix Smart3 Plus has a MobileRank rating of 18/100, the Redmi K90 Max — 74/100.

Which has the better camera: the Infinix Smart3 Plus or the Redmi K90 Max?

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

Which is more powerful: the Infinix Smart3 Plus or the Redmi K90 Max?

The Redmi K90 Max leads on performance (95/100 vs 10/100).

Should you choose the Infinix Smart3 Plus over the Redmi K90 Max?

The Infinix Smart3 Plus 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.