Infinix Smart3 Plus vs Xiaomi Redmi Note 9 Pro

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

• Weight

  Smart3 Plus: 61 g lighter

  Smart3 Plus:

  148 g

  Redmi Note 9 Pro:

  209 g

• Screen diagonal

  Smart3 Plus: 0.47 in smaller diagonal

  Smart3 Plus:

  6.2 in

  Redmi Note 9 Pro:

  6.67 in

• Chipset

  Smart3 Plus:

  Mediatek MT6761 Helio A22 (12 nm)

  Redmi Note 9 Pro:

  Qualcomm SM7125 Snapdragon 720G (8 nm)

• Rear camera layout

  Smart3 Plus:

  Triple

  Redmi Note 9 Pro:

  Quad

• Depth

  Smart3 Plus: 1 mm thinner

  Smart3 Plus:

  7.8 mm

  Redmi Note 9 Pro:

  8.8 mm

• Height

  Smart3 Plus: 8.8 mm shorter

  Smart3 Plus:

  157 mm

  Redmi Note 9 Pro:

  165.8 mm

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. 1. Smart3 Plus

   Height:

   157 mm

   Width:

   76 mm

   Depth:

   7.8 mm

2. 2. Redmi Note 9 Pro

   Height:

   165.8 mm +8.8 mm versus Smart3 Plus

   Width:

   76.7 mm

   Depth:

   8.8 mm +1 mm versus Smart3 Plus

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. 1. Smart3 Plus

   Screen diagonal:

   6.2 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   95.9 cm²

2. 2. Redmi Note 9 Pro

   Screen diagonal:

   6.67 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   107.4 cm²

Redmi Note 9 Pro has approximately 11.9% more rectangular screen area than Smart3 Plus.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

Battery capacity

Capacity is not battery life. No endurance test is implied.

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.