BLU Dash 3.5 vs Coolpad Cool S1

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

  Dash 3.5: 58 g lighter

  Dash 3.5:

  110 g

  Cool S1:

  168 g

• Width

  Dash 3.5: 12.7 mm narrower

  Dash 3.5:

  62 mm

  Cool S1:

  74.7 mm

• Screen diagonal

  Dash 3.5: 2 in smaller diagonal

  Dash 3.5:

  3.5 in

  Cool S1:

  5.5 in

• Chipset

  Dash 3.5:

  Mediatek MT6572M (28 nm)

  Cool S1:

  Qualcomm MSM8996 Snapdragon 821 (14 nm)

• Depth

  Cool S1: 4 mm thinner

  Dash 3.5:

  11.5 mm

  Cool S1:

  7.5 mm

• Height

  Dash 3.5: 36.4 mm shorter

  Dash 3.5:

  115 mm

  Cool S1:

  151.4 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. Dash 3.5

   Height:

   115 mm

   Width:

   62 mm

   Depth:

   11.5 mm +4 mm versus Cool S1

2. 2. Cool S1

   Height:

   151.4 mm +36.4 mm versus Dash 3.5

   Width:

   74.7 mm +12.7 mm versus Dash 3.5

   Depth:

   7.5 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. Dash 3.5

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 cm²

2. 2. Cool S1

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

Cool S1 has approximately 128.6% more rectangular screen area than Dash 3.5.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.