Lava Z91 vs LG GW550

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

    GW550: 21.5 g lighter

    Z91:
    147 g
    GW550:
    125.5 g
  • Width

    GW550: 10.9 mm narrower

    Z91:
    72.9 mm
    GW550:
    62 mm
  • Screen diagonal

    GW550: 3.3 in smaller diagonal

    Z91:
    5.7 in
    GW550:
    2.4 in
  • Depth

    Z91: 4.3 mm thinner

    Z91:
    7.7 mm
    GW550:
    12 mm
  • Height

    GW550: 36 mm shorter

    Z91:
    152 mm
    GW550:
    116 mm
  • Release year

    Z91:
    2018
    GW550:
    2009

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. Z91

    Height:
    152 mm +36 mm versus GW550
    Width:
    72.9 mm +10.9 mm versus GW550
    Depth:
    7.7 mm
  2. 2. GW550

    Height:
    116 mm
    Width:
    62 mm
    Depth:
    12 mm +4.3 mm versus Z91

Weight

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

  1. 1. Z91

    147 g

    +21.5 g versus GW550

  2. 2. GW550

    125.5 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.

  1. 1. Z91

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. GW550

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²

Z91 has approximately 370.1% more rectangular screen area than GW550.

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 Z91, GW550, compared at the same storage capacity.
StorageZ91GW550
32 GB 3 GB RAM Unknown
GW550: Original memory entry

256 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. Z91

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (dedicated slot)

2. GW550

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

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. Z91

    3000 mAh

    +1700 mAh versus GW550

  2. 2. GW550

    1300 mAh

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. Z912. GW550

Everyday essentials
Everyday essentials — specifications for Z91, GW550.
SpecificationZ91GW550
Dimensions (HxWxD)
  • 152 Х 72.9 Х 7.7 mm
  • 116 Х 62 Х 12 mm
Weight
  • 147 g
  • 125.5 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.7" inch
  • 2.4" inch
Screen resolution
  • 720 x 1440 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 256 MB
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.1 (Nougat)
  • Microsoft Windows Mobile 6.5 Standard
Chipset
  • Mediatek MT6739 (28 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Z91, GW550.
SpecificationZ91GW550
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 83.8 cm2
  • 17.8 cm2
Screen format
  • 18:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 75.7%
  • 24.8%
PPI /points per inch/
  • 282 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for Z91, GW550.
SpecificationZ91GW550
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • 320p@15fps
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
Unknown
Performance

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

Performance — specifications for Z91, GW550.
SpecificationZ91GW550
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
Unknown
Graphics processor GPU
  • PowerVR GE8100
Unknown
Antutu 7 score *
  • 35722
Unknown
General specs
General specs — specifications for Z91, GW550.
SpecificationZ91GW550
Release date
  • 2018
  • March
  • 2009
  • June
Colors
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 10000 INR
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 370 h (2G) / Up to 430 h (3G) Talking time- Up to 5 h 30 min (2G) / Up to 3 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Z91, GW550.
SpecificationZ91GW550
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 7.2/2 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.12 W/kg (head) 0.50 W/kg (body) SAR EU - 1.43 W/kg (head)
Music and Audio
Music and Audio — specifications for Z91, GW550.
SpecificationZ91GW550
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Z91, GW550.
SpecificationZ91GW550
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • MP3/MP4/eAAC+/WMA player -MP4/H.264 player -Document viewer (DOC
  • XLS
  • PPT
  • PDF) -Organizer -Photo/video editor -Voice memo -Predictive text input - Also known as LG Sm@rt