Motorola A728 vs Xiaomi Mi 4

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: 29 g lighter

    A728:
    120 g
    Mi 4:
    149 g
  • Width

    A728: 15.5 mm narrower

    A728:
    53 mm
    Mi 4:
    68.5 mm
  • Depth

    Mi 4: 12.1 mm thinner

    A728:
    21 mm
    Mi 4:
    8.9 mm
  • Height

    A728: 38.2 mm shorter

    A728:
    101 mm
    Mi 4:
    139.2 mm
  • Release year

    A728:
    2005
    Mi 4:
    2014

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 +12.1 mm versus Mi 4
  2. 2. Mi 4

    Height:
    139.2 mm +38.2 mm versus A728
    Width:
    68.5 mm +15.5 mm versus A728
    Depth:
    8.9 mm

Weight

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

  1. 1. A728

    120 g

  2. 2. Mi 4

    149 g

    +29 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. Mi 4

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

A728: Original memory entry

8 MB

Mi 4: Original memory entry

16/64 GB · 2/3 GB 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. A728

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

2. Mi 4

NFC:
Unknown
Headphone jack:
Yes
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. A7282. Mi 4

Everyday essentials
Everyday essentials — specifications for A728, Mi 4.
SpecificationA728Mi 4
Dimensions (HxWxD)
  • 101 Х 53 Х 21 mm
  • 139.2 Х 68.5 Х 8.9 mm
Weight
  • 120 g
  • 149 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 0" inch
  • 5" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 MB
  • 16/64 GB
  • 2/3 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 3080 mAh
  • Non-removable Li-Ion
Operating system OS
  • Linux
  • Android 4.4.3 (KitKat)
  • upgradable to 6.0.1 (Marshmallow); MIUI 10
Chipset Unknown
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for A728, Mi 4.
SpecificationA728Mi 4
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area Unknown
  • 68.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio Unknown
  • 72.3%
PPI /points per inch/
  • 0 PPI
  • 441 PPI
Camera and Video
Camera and Video — specifications for A728, Mi 4.
SpecificationA728Mi 4
Rear camera, main
  • 0.3 MP
  • Single
  • 13 MP
  • Single
Camera specs Unknown
  • 13 MP
  • f/1.8
  • 1/3''
  • 1.12µm
  • AF
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/1.8
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for A728, Mi 4.
SpecificationA728Mi 4
Processor CPU Unknown
  • Quad-core 2.5 GHz Krait 400
Graphics processor GPU Unknown
  • Adreno 330
Antutu 7 score * Unknown
  • 61632
GeekBench 4 Single Core * Unknown
  • 891
GeekBench 4 Multi-Core * Unknown
  • 1967
GeekBench 4 RenderScript * Unknown
  • 1997
General specs
General specs — specifications for A728, Mi 4.
SpecificationA728Mi 4
Release date
  • 2005
  • July
  • 2014
  • July
Colors
  • Mr. black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 230 EUR
Battery life Unknown
  • Stand by time- Up to 280 h (3G)
Body build Unknown
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for A728, Mi 4.
SpecificationA728Mi 4
SIM card
  • Mini-SIM
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions CDMA 800 / 1900 - Telecom 3G model -3G - TD-SCDMA - 4G model HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model
  • Telecom 3G model CDMA2000 1xEV-DO - Telecom 3G model -4G - LTE band 38(2600)
  • 39(1900)
  • 40(2300) - 4G model
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Class 8
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Proprietary
  • microUSB 2.0
  • USB Host
Bluetooth
  • Yes
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.36 W/kg (head)
Music and Audio
Music and Audio — specifications for A728, Mi 4.
SpecificationA728Mi 4
Radio
  • No
  • FM radio
Others
  • Handwriting and speech recognition (Chi & Eng)
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A728, Mi 4.
SpecificationA728Mi 4
Dop
  • Infrared port - MP3 player -Organizer -Voice dial/memo
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 2.0)