Acer Liquid E1 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: 10 g lighter

    Liquid E1:
    130 g
    A728:
    120 g
  • Width

    A728: 15.5 mm narrower

    Liquid E1:
    68.5 mm
    A728:
    53 mm
  • Depth

    Liquid E1: 11.1 mm thinner

    Liquid E1:
    9.9 mm
    A728:
    21 mm
  • Height

    A728: 31 mm shorter

    Liquid E1:
    132 mm
    A728:
    101 mm
  • Release year

    Liquid E1:
    2013
    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. Liquid E1

    Height:
    132 mm +31 mm versus A728
    Width:
    68.5 mm +15.5 mm versus A728
    Depth:
    9.9 mm
  2. 2. A728

    Height:
    101 mm
    Width:
    53 mm
    Depth:
    21 mm +11.1 mm versus Liquid E1

Weight

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

  1. 1. Liquid E1

    130 g

    +10 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. Liquid E1

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 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 Liquid E1, A728, compared at the same storage capacity.
StorageLiquid E1A728
4 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. Liquid E1

NFC:
See details Yes (single sim model only)
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. Liquid E12. A728

Everyday essentials
Everyday essentials — specifications for Liquid E1, A728.
SpecificationLiquid E1A728
Dimensions (HxWxD)
  • 132 Х 68.5 Х 9.9 mm
  • 101 Х 53 Х 21 mm
Weight
  • 130 g
  • 120 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" 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.
  • 4 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.
  • 1760 mAh
  • Removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 4.1.1 (Jelly Bean)
  • Linux
Chipset
  • Mediatek MT6577 (40 nm)
Unknown
NFC
  • Yes (single sim model only)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Liquid E1, A728.
SpecificationLiquid E1A728
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 55.8 cm2
Unknown
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 61.7%
Unknown
PPI /points per inch/
  • 245 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Liquid E1, A728.
SpecificationLiquid E1A728
Rear camera, main
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Camera specs
  • 5 MP
  • AF
Unknown
Functions
  • Dual-LED flash
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP or VGA
Unknown
Performance
Performance — specifications for Liquid E1, A728.
SpecificationLiquid E1A728
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
Unknown
Graphics processor GPU
  • SGX531u
Unknown
General specs
General specs — specifications for Liquid E1, A728.
SpecificationLiquid E1A728
Release date
  • 2013
  • January
  • 2005
  • July
Colors
  • Black
  • White
  • Mr. black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
Unknown
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 8 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Liquid E1, A728.
SpecificationLiquid E1A728
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)-3G - HSDPA-4G - LTE
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
Unknown
GPRS
  • Yes
  • Class 8
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 3.0
  • A2DP
  • EDR
  • Yes
Harmful irradiation
  • SAR EU - 0.47 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Liquid E1, A728.
SpecificationLiquid E1A728
Radio
  • FM radio
  • No
Others
  • 21 MP
  • Handwriting and speech recognition (Chi & Eng)
Other features
Other features — specifications for Liquid E1, A728.
SpecificationLiquid E1A728
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also available as Acer Liquid E1 Dual with dual SIM card slot
  • Infrared port - MP3 player -Organizer -Voice dial/memo