TECNO Spark vs vivo Y91

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

  Y91: 5.5 g lighter

  Spark:

  169 g

  Y91:

  163.5 g

• Width

  Y91: 1.3 mm narrower

  Spark:

  76.4 mm

  Y91:

  75.1 mm

• Screen diagonal

  Spark: 0.72 in smaller diagonal

  Spark:

  5.5 in

  Y91:

  6.22 in

• Chipset

  Spark:

  Mediatek MT6580 (28 nm)

  Y91:

  Qualcomm SDM439 Snapdragon 439 (12 nm)

• Rear camera layout

  Spark:

  Single

  Y91:

  Dual

• Height

  Spark: 2.1 mm shorter

  Spark:

  153 mm

  Y91:

  155.1 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. Spark

   Height:

   153 mm

   Width:

   76.4 mm +1.3 mm versus Y91

   Depth:

   7.9 mm

2. 2. Y91

   Height:

   155.1 mm +2.1 mm versus Spark

   Width:

   75.1 mm

   Depth:

   8.3 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. Spark

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. Y91

   Screen diagonal:

   6.22 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   96.6 cm²

Y91 has approximately 15.8% more rectangular screen area than Spark.

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.