Oppo A33 vs Samsung Galaxy A51

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.

• Display technology

  OLED versus LCD

  A33:

  LCD

  Galaxy A51:

  OLED

• Weight

  A33: 26 g lighter

  A33:

  146 g

  Galaxy A51:

  172 g

• Width

  A33: 1.9 mm narrower

  A33:

  71.7 mm

  Galaxy A51:

  73.6 mm

• Screen diagonal

  A33: 1.5 in smaller diagonal

  A33:

  5 in

  Galaxy A51:

  6.5 in

• Chipset

  A33:

  Qualcomm MSM8916 Snapdragon 410 (28 nm)

  Galaxy A51:

  Exynos 9611 (10nm)

• Rear camera layout

  A33:

  Single

  Galaxy A51:

  Quad

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. A33

   Height:

   142.7 mm

   Width:

   71.7 mm

   Depth:

   7.6 mm

2. 2. Galaxy A51

   Height:

   158.5 mm +15.8 mm versus A33

   Width:

   73.6 mm +1.9 mm versus A33

   Depth:

   7.9 mm

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. A33

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. Galaxy A51

   Screen diagonal:

   6.5 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   102 cm²

Galaxy A51 has approximately 48% more rectangular screen area than A33.

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.