Motorola A728 vs Motorola ATRIX 4G

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: 15 g lighter

    A728:
    120 g
    ATRIX 4G:
    135 g
  • Width

    A728: 10.5 mm narrower

    A728:
    53 mm
    ATRIX 4G:
    63.5 mm
  • Depth

    ATRIX 4G: 10 mm thinner

    A728:
    21 mm
    ATRIX 4G:
    11 mm
  • Height

    A728: 16.8 mm shorter

    A728:
    101 mm
    ATRIX 4G:
    117.8 mm
  • Release year

    A728:
    2005
    ATRIX 4G:
    2011

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. A728

    Height:
    101 mm
    Width:
    53 mm
    Depth:
    21 mm +10 mm versus ATRIX 4G
  2. 2. ATRIX 4G

    Height:
    117.8 mm +16.8 mm versus A728
    Width:
    63.5 mm +10.5 mm versus A728
    Depth:
    11 mm

Weight

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

  1. 1. A728

    120 g

  2. 2. ATRIX 4G

    135 g

    +15 g versus A728

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. A728

    A728: Screen geometry unavailable or conflicting.

  2. 2. ATRIX 4G

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    44.1 cm²

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 A728, ATRIX 4G, compared at the same storage capacity.
StorageA728ATRIX 4G
16 GB Unknown 1 GB 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. A728

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

2. ATRIX 4G

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

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. A7282. ATRIX 4G

Everyday essentials
Everyday essentials — specifications for A728, ATRIX 4G.
SpecificationA728ATRIX 4G
Dimensions (HxWxD)
  • 101 Х 53 Х 21 mm
  • 117.8 Х 63.5 Х 11 mm
Weight
  • 120 g
  • 135 g
Technology
  • TFT
  • TFT
Screen size
  • 0" inch
  • 4" inch
Screen resolution
  • 240 x 320 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 MB
  • 16 GB
  • 1 GB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 1930 mAh
  • Removable Li-Po
Operating system OS
  • Linux
  • Android 2.3 (Gingerbread)
  • not upgradable to 4.1 (Jelly Bean)
Chipset Unknown
  • Nvidia Tegra 2 AP20H
Headphone jack
  • No
  • Yes
Display
Display — specifications for A728, ATRIX 4G.
SpecificationA728ATRIX 4G
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area Unknown
  • 44.1 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio Unknown
  • 59.0%
PPI /points per inch/
  • 0 PPI
  • 275 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for A728, ATRIX 4G.
SpecificationA728ATRIX 4G
Rear camera, main
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Camera specs Unknown
  • 5 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p@30fps
  • 1080p (via SW update)
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for A728, ATRIX 4G.
SpecificationA728ATRIX 4G
Processor CPU Unknown
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • ULP GeForce
General specs
General specs — specifications for A728, ATRIX 4G.
SpecificationA728ATRIX 4G
Release date
  • 2005
  • July
  • 2011
  • January
Colors
  • Mr. black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 190 EUR
Battery life Unknown
  • Stand by time- Up to 400 h (2G) / Up to 350 h (3G) Talking time- Up to 8 h 50 min (2G) / Up to 9 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A728, ATRIX 4G.
SpecificationA728ATRIX 4G
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 14.4/5.76 Mbps
GPRS
  • Class 8
  • Class 12
Edge
  • No
  • Class 12
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • Yes
  • 2.1
  • A2DP
  • EDR
Harmful irradiation Unknown
  • SAR - 1.45 W/kg (head) 0.63 W/kg (body)
Music and Audio
Music and Audio — specifications for A728, ATRIX 4G.
SpecificationA728ATRIX 4G
Radio
  • No
  • No
Others
  • Handwriting and speech recognition (Chi & Eng)
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A728, ATRIX 4G.
SpecificationA728ATRIX 4G
Dop
  • Infrared port - MP3 player -Organizer -Voice dial/memo
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - HDMI port -MP3/WAV/WMA/eAAC+ player -MP4/H.264/WMV/Xvid/DivX player -Photo viewer/editor -Organizer -Document editor -Voice memo/dial/commands -Predictive text input - For AT&T Also known as Motorola ATRIX 4G MB860