HTC Amaze 4G 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

    A728: 52.9 g lighter

    Amaze 4G:
    172.9 g
    A728:
    120 g
  • Width

    A728: 12.6 mm narrower

    Amaze 4G:
    65.6 mm
    A728:
    53 mm
  • Depth

    Amaze 4G: 9.2 mm thinner

    Amaze 4G:
    11.8 mm
    A728:
    21 mm
  • Height

    A728: 29 mm shorter

    Amaze 4G:
    130 mm
    A728:
    101 mm
  • Release year

    Amaze 4G:
    2011
    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. Amaze 4G

    Height:
    130 mm +29 mm versus A728
    Width:
    65.6 mm +12.6 mm versus A728
    Depth:
    11.8 mm
  2. 2. A728

    Height:
    101 mm
    Width:
    53 mm
    Depth:
    21 mm +9.2 mm versus Amaze 4G

Weight

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

  1. 1. Amaze 4G

    172.9 g

    +52.9 g versus A728

  2. 2. A728

    120 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.

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

  1. 1. Amaze 4G

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    51 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.

Recorded RAM for Amaze 4G, A728, compared at the same storage capacity.
StorageAmaze 4GA728
16 GB 1 GB RAM Unknown
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. Amaze 4G

NFC:
Yes
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. Amaze 4G2. A728

Everyday essentials
Everyday essentials — specifications for Amaze 4G, A728.
SpecificationAmaze 4GA728
Dimensions (HxWxD)
  • 130 Х 65.6 Х 11.8 mm
  • 101 Х 53 Х 21 mm
Weight
  • 172.9 g
  • 120 g
Technology
  • S-LCD
  • TFT
Screen size
  • 4.3" inch
  • 0" inch
Screen resolution
  • 540 x 960 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB 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.
  • 1730 mAh
  • Removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 2.3.4 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich); Sense UI 3
  • Linux
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Amaze 4G, A728.
SpecificationAmaze 4GA728
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 51.0 cm2
Unknown
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 59.8%
Unknown
PPI /points per inch/
  • 256 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Amaze 4G, A728.
SpecificationAmaze 4GA728
Rear camera, main
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Camera specs
  • 8 MP
  • AF
Unknown
Functions
  • Dual-LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for Amaze 4G, A728.
SpecificationAmaze 4GA728
Processor CPU
  • Dual-core 1.5 GHz Scorpion
Unknown
Graphics processor GPU
  • Adreno 220
Unknown
General specs
General specs — specifications for Amaze 4G, A728.
SpecificationAmaze 4GA728
Release date
  • 2011
  • September
  • 2005
  • July
Colors
  • Black
  • White
  • Mr. black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
Unknown
Battery life
  • Stand by time- Up to 264 h Talking time- Up to 6 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Amaze 4G, A728.
SpecificationAmaze 4GA728
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
Unknown
GPRS
  • Yes
  • Class 8
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • DLNA
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0 (MHL TV-out)
  • Proprietary
Bluetooth
  • 3.0
  • A2DP
  • EDR
  • Yes
Harmful irradiation
  • SAR - 0.46 W/kg (head) 0.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Amaze 4G, A728.
SpecificationAmaze 4GA728
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • SRS audio -Active noise cancellation with dedicated mic
  • Handwriting and speech recognition (Chi & Eng)
Other features
Other features — specifications for Amaze 4G, A728.
SpecificationAmaze 4GA728
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/AAC+/WAV/WMA player -MP4/H.264/WMV player -Organizer -Document viewer -Voice memo/dial/commands -Predictive text input - For T-Mobile
  • Infrared port - MP3 player -Organizer -Voice dial/memo