BLU Studio X vs Yezz Billy 4

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.

• WeightBilly 4: 45 g lighterBilly 4: 109 g · Studio X: 154 g
• WidthBilly 4: 7.6 mm narrowerBilly 4: 64.4 mm · Studio X: 72 mm
• Screen diagonalBilly 4: 1 in smaller diagonalBilly 4: 4 in · Studio X: 5 in
• DepthBilly 4: 0.6 mm thinnerBilly 4: 9.9 mm · Studio X: 10.5 mm
• HeightBilly 4: 21.5 mm shorterBilly 4: 122.5 mm · Studio X: 144 mm
• Release year2015 / 2014Studio X: 2015 · Billy 4: 2014

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. Studio X

   Height

   144 mm+21.5 mm versus Billy 4

   Width

   72 mm+7.6 mm versus Billy 4

   Depth

   10.5 mm+0.6 mm versus Billy 4

   Weight

   154 g

2. 2. Billy 4

   Height

   122.5 mm

   Width

   64.4 mm

   Depth

   9.9 mm

   Weight

   109 g

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. Studio X 5 in · 16:9 About 68.9 cm² rectangular area
2. 2. Billy 4 4 in · 5:3 About 45.5 cm² rectangular area

Studio X has approximately 51.3% more rectangular screen area than Billy 4.

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.