HTC Primo vs Motorola A728

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 5 g lighter

    Primo:
    115 g
    A728:
    120 g
  • Width

    A728: 6.7 mm narrower

    Primo:
    59.7 mm
    A728:
    53 mm
  • Depth

    Primo: 11.8 mm thinner

    Primo:
    9.2 mm
    A728:
    21 mm
  • Height

    A728: 19.3 mm shorter

    Primo:
    120.3 mm
    A728:
    101 mm
  • Release year

    Primo:
    2012
    A728:
    2005

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 +19.3 mm versus A728
    Width:
    59.7 mm +6.7 mm versus A728
    Depth:
    9.2 mm
  2. 2. A728

    Height:
    101 mm
    Width:
    53 mm
    Depth:
    21 mm +11.8 mm versus Primo

Weight

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

  1. 1. Primo

    115 g

  2. 2. A728

    120 g

    +5 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Primo

    Screen diagonal:
    3.7 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    39 cm²
  2. 2. A728

    A728: Screen geometry unavailable or conflicting.

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.

Primo: Original memory entry

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

A728: Original memory entry

8 MB

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. A728

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

Battery capacity

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

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. A728

Everyday essentials
Everyday essentials — specifications for Primo, A728.
SpecificationPrimoA728
Dimensions (HxWxD)
  • 120.3 Х 59.7 Х 9.2 mm
  • 101 Х 53 Х 21 mm
Weight
  • 115 g
  • 120 g
Technology
  • Super LCD2
  • TFT
Screen size
  • 3.7" inch
  • 0" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 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 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Non-removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 4.0.3 (Ice Cream Sandwich)
  • not upgradable to 4.1 (Jelly Bean); Sense UI 4
  • Linux
Chipset
  • Qualcomm MSM8255 Snapdragon S2
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Primo, A728.
SpecificationPrimoA728
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 39.0 cm2
Unknown
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 54.3%
Unknown
PPI /points per inch/
  • 252 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Primo, A728.
SpecificationPrimoA728
Rear camera, main
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Camera specs
  • 5 MP
  • AF
Unknown
Functions
  • LED flash
Unknown
Video
  • 720p
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Specifications
  • No
Unknown
Performance
Performance — specifications for Primo, A728.
SpecificationPrimoA728
Processor CPU
  • 1.0 GHz Scorpion
Unknown
Graphics processor GPU
  • Adreno 205
Unknown
General specs
General specs — specifications for Primo, A728.
SpecificationPrimoA728
Release date
  • 2012
  • February. Released 2012
  • April
  • 2005
  • July
Colors
  • Black
  • Brown
  • Mr. black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Primo, A728.
SpecificationPrimoA728
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 8
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • Yes
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, A728.
SpecificationPrimoA728
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Beats Audio
  • Handwriting and speech recognition (Chi & Eng)
Other features
Other features — specifications for Primo, A728.
SpecificationPrimoA728
Dop
  • Sensors Accelerometer
  • proximity - DivX/XviD/MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV player -Document editor -Voice memo/dial -Predictive text input
  • Infrared port - MP3 player -Organizer -Voice dial/memo