HTC Primo vs vivo Y28

Compare recorded specifications, size and practical differences.

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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

    Primo: 41 g lighter

    Primo:
    115 g
    Y28:
    156 g
  • Width

    Primo: 8.9 mm narrower

    Primo:
    59.7 mm
    Y28:
    68.6 mm
  • Screen diagonal

    Primo: 1 in smaller diagonal

    Primo:
    3.7 in
    Y28:
    4.7 in
  • Chipset

    Primo:
    Qualcomm MSM8255 Snapdragon S2
    Y28:
    Mediatek MT6582 (28 nm)
  • Depth

    Primo: 0.6 mm thinner

    Primo:
    9.2 mm
    Y28:
    9.8 mm
  • Height

    Primo: 17.1 mm shorter

    Primo:
    120.3 mm
    Y28:
    137.4 mm

Physical size

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. Primo

    Height:
    120.3 mm
    Width:
    59.7 mm
    Depth:
    9.2 mm
  2. 2. Y28

    Height:
    137.4 mm +17.1 mm versus Primo
    Width:
    68.6 mm +8.9 mm versus Primo
    Depth:
    9.8 mm +0.6 mm versus Primo

Weight

Bars start at zero and share a scale within this chart.

  1. 1. Primo

    115 g

  2. 2. Y28

    156 g

    +41 g versus Primo

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. Primo

    Screen diagonal:
    3.7 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    39 cm²
  2. 2. Y28

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:10
    Approximate rectangular screen area:
    64.1 cm²

Y28 has approximately 64.4% more rectangular screen area than Primo.

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.

Recorded RAM for Primo, Y28, compared at the same storage capacity.
StoragePrimoY28
8 GB Unknown 1 GB RAM
Primo: Original memory entry

4 GB (1 GB user available) · 512 MB RAM

Practical features

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

1. Primo

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. Y28

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

Battery capacity

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

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Primo

    1500 mAh

  2. 2. Y28

    2100 mAh

    +600 mAh versus Primo

Specifications

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.

1. Primo2. Y28

Everyday essentials
Everyday essentials — specifications for Primo, Y28.
SpecificationPrimoY28
Dimensions (HxWxD)
  • 120.3 Х 59.7 Х 9.2 mm
  • 137.4 Х 68.6 Х 9.8 mm
Weight
  • 115 g
  • 156 g
Technology
  • Super LCD2
  • IPS LCD
Screen size
  • 3.7" inch
  • 4.7" inch
Screen resolution
  • 480 x 800 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB (1 GB user available)
  • 512 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Non-removable Li-Ion
  • 2100 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.0.3 (Ice Cream Sandwich)
  • not upgradable to 4.1 (Jelly Bean); Sense UI 4
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Qualcomm MSM8255 Snapdragon S2
  • Mediatek MT6582 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Primo, Y28.
SpecificationPrimoY28
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 39.0 cm2
  • 64.2 cm2
Screen format
  • 5:3 (height:width)
  • 16:10 (height:width)
Screen to body ratio
  • 54.3%
  • 68.1%
PPI /points per inch/
  • 252 PPI
  • 216 PPI
Camera and Video
Camera and Video — specifications for Primo, Y28.
SpecificationPrimoY28
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications
  • No
  • 5 MP
Performance
Performance — specifications for Primo, Y28.
SpecificationPrimoY28
Processor CPU
  • 1.0 GHz Scorpion
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Adreno 205
  • Mali-400MP2
General specs
General specs — specifications for Primo, Y28.
SpecificationPrimoY28
Release date
  • 2012
  • February. Released 2012
  • April
  • 2014
  • December
Colors
  • Black
  • Brown
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 100 EUR
Battery life Unknown
  • Stand by time- Up to 430 h (2G) / Up to 430 h (3G) Talking time- Up to 14 h (2G) / Up to 13 h (3G) Music play - Up to 32 h
Communication and Connectivity
Communication and Connectivity — specifications for Primo, Y28.
SpecificationPrimoY28
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 4.0
  • A2DP
  • EDR
Harmful irradiation
  • SAR - 0.87 W/kg (head) 0.77 W/kg (body) SAR EU - 0.87 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Primo, Y28.
SpecificationPrimoY28
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Beats Audio
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Primo, Y28.
SpecificationPrimoY28
Dop
  • Sensors Accelerometer
  • proximity - DivX/XviD/MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV player -Document editor -Voice memo/dial -Predictive text input
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port