Acer Liquid Z2 vs LG E900 Optimus 7

Compare recorded specifications, size and practical differences.

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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

    Liquid Z2: 47 g lighter

    Liquid Z2:
    110 g
    E900 Optimus 7:
    157 g
  • Width

    E900 Optimus 7: 2.7 mm narrower

    Liquid Z2:
    62.5 mm
    E900 Optimus 7:
    59.8 mm
  • Screen diagonal

    Liquid Z2: 0.3 in smaller diagonal

    Liquid Z2:
    3.5 in
    E900 Optimus 7:
    3.8 in
  • Chipset

    Liquid Z2:
    Qualcomm MSM7227A Snapdragon S1
    E900 Optimus 7:
    Qualcomm QSD8650 Snapdragon S1
  • Depth

    E900 Optimus 7: 0.8 mm thinner

    Liquid Z2:
    12.3 mm
    E900 Optimus 7:
    11.5 mm
  • Height

    Liquid Z2: 15 mm shorter

    Liquid Z2:
    110 mm
    E900 Optimus 7:
    125 mm

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 Z2

    Height:
    110 mm
    Width:
    62.5 mm +2.7 mm versus E900 Optimus 7
    Depth:
    12.3 mm +0.8 mm versus E900 Optimus 7
  2. 2. E900 Optimus 7

    Height:
    125 mm +15 mm versus Liquid Z2
    Width:
    59.8 mm
    Depth:
    11.5 mm

Weight

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

  1. 1. Liquid Z2

    110 g

  2. 2. E900 Optimus 7

    157 g

    +47 g versus Liquid Z2

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.

  1. 1. Liquid Z2

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. E900 Optimus 7

    Screen diagonal:
    3.8 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    41.1 cm²

E900 Optimus 7 has approximately 12.7% more rectangular screen area than Liquid Z2.

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.

Liquid Z2: Original memory entry

4 GB · 512 MB RAM - Liquid M2208 GB

E900 Optimus 7: Original memory entry

16 GB · 512 MB RAM · 512 MB ROM

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 Z2

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

2. E900 Optimus 7

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

Battery capacity

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

Recorded battery capacity

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

  1. 1. Liquid Z2

    1300 mAh

  2. 2. E900 Optimus 7

    1500 mAh

    +200 mAh versus Liquid Z2

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 Z22. E900 Optimus 7

Everyday essentials
Everyday essentials — specifications for Liquid Z2, E900 Optimus 7.
SpecificationLiquid Z2E900 Optimus 7
Dimensions (HxWxD)
  • 110 Х 62.5 Х 12.3 mm
  • 125 Х 59.8 Х 11.5 mm
Weight
  • 110 g
  • 157 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 3.8" inch
Screen resolution
  • 320 x 480 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM - Liquid M2208 GB
  • 16 GB
  • 512 MB RAM
  • 512 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1.1 (Jelly Bean)
  • Microsoft Windows Phone 7
  • upgradable to 7.8
Chipset
  • Qualcomm MSM7227A Snapdragon S1
  • Qualcomm QSD8650 Snapdragon S1
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Liquid Z2, E900 Optimus 7.
SpecificationLiquid Z2E900 Optimus 7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 36.5 cm2
  • 41.1 cm2
Screen format
  • 3:2 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 53.1%
  • 55.0%
PPI /points per inch/
  • 165 PPI
  • 246 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Liquid Z2, E900 Optimus 7.
SpecificationLiquid Z2E900 Optimus 7
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3 MP or 5 MP
  • 5 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p@24fps
Front camera, selfie
  • 0 MP,
  • 0 MP,
Specifications
  • Super AMOLED
Unknown
Performance

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

Performance — specifications for Liquid Z2, E900 Optimus 7.
SpecificationLiquid Z2E900 Optimus 7
Processor CPU
  • 1.0 GHz Cortex-A5
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Adreno 200
  • Adreno 200
Antutu 7 score *
  • 123
Unknown
General specs
General specs — specifications for Liquid Z2, E900 Optimus 7.
SpecificationLiquid Z2E900 Optimus 7
Release date
  • 2013
  • February
  • 2010
  • October
Colors
  • Black
  • Black/White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 450 h Talking time- Up to 4 h
  • Stand by time- Up to 330 h (2G) / Up to 330 h (3G) Talking time- Up to 6 h 40 min (2G) / Up to 5 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Liquid Z2, E900 Optimus 7.
SpecificationLiquid Z2E900 Optimus 7
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
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • 2.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.59 W/kg (head) 0.63 W/kg (body) SAR EU - 0.94 W/kg (head) 1.47 W/kg (body)
Music and Audio
Music and Audio — specifications for Liquid Z2, E900 Optimus 7.
SpecificationLiquid Z2E900 Optimus 7
Radio
  • FM radio
  • RDS
  • Stereo FM radio
Others
  • SRS audio
Unknown
Other features
Other features — specifications for Liquid Z2, E900 Optimus 7.
SpecificationLiquid Z2E900 Optimus 7
Dop
  • Sensors Accelerometer
  • proximity - Also available as: Acer Liquid Z2 Dual with dual-SIM card slots Acer Z120 with MTK 6575M chipset
  • 1 GHz CPU and PowerVR SGX531 Ultra GPU
  • Sensors Accelerometer
  • proximity
  • compass - Facebook integration -Document viewer/editor -MP4/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Voice memo -Predictive text input