Lava Z91 vs LG Optimus G LS970

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.

  • Width

    Optimus G LS970: 4 mm narrower

    Z91:
    72.9 mm
    Optimus G LS970:
    68.9 mm
  • Screen diagonal

    Optimus G LS970: 1 in smaller diagonal

    Z91:
    5.7 in
    Optimus G LS970:
    4.7 in
  • Memory variants

    At 32 GB storage

    Z91:
    3 GB RAM
    Optimus G LS970:
    2 GB RAM
  • Chipset

    Z91:
    Mediatek MT6739 (28 nm)
    Optimus G LS970:
    Qualcomm Snapdragon S4
  • Depth

    Z91: 0.8 mm thinner

    Z91:
    7.7 mm
    Optimus G LS970:
    8.5 mm
  • Height

    Optimus G LS970: 20.1 mm shorter

    Z91:
    152 mm
    Optimus G LS970:
    131.9 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. Z91

    Height:
    152 mm +20.1 mm versus Optimus G LS970
    Width:
    72.9 mm +4 mm versus Optimus G LS970
    Depth:
    7.7 mm
  2. 2. Optimus G LS970

    Height:
    131.9 mm
    Width:
    68.9 mm
    Depth:
    8.5 mm +0.8 mm versus Z91

Weight

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

  1. 1. Z91

    147 g

    +2.1 g versus Optimus G LS970

  2. 2. Optimus G LS970

    144.9 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. Optimus G LS970

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

Z91 has approximately 33.4% more rectangular screen area than Optimus G LS970.

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, Optimus G LS970, compared at the same storage capacity.
StorageZ91Optimus G LS970
32 GB Recorded for all phones 3 GB RAM 2 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. Z91

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

2. Optimus G LS970

NFC:
Yes
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. Z91

    3000 mAh

    +900 mAh versus Optimus G LS970

  2. 2. Optimus G LS970

    2100 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. Optimus G LS970

Everyday essentials
Everyday essentials — specifications for Z91, Optimus G LS970.
SpecificationZ91Optimus G LS970
Dimensions (HxWxD)
  • 152 Х 72.9 Х 7.7 mm
  • 131.9 Х 68.9 Х 8.5 mm
Weight
  • 147 g
  • 144.9 g
Technology
  • IPS LCD
  • True HD-IPS + LCD
Screen size
  • 5.7" inch
  • 4.7" inch
Screen resolution
  • 720 x 1440 px
  • 768 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 2100 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.1 (Nougat)
  • Android 4.0 (Ice Cream Sandwich)
Chipset
  • Mediatek MT6739 (28 nm)
  • Qualcomm Snapdragon S4
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z91, Optimus G LS970.
SpecificationZ91Optimus G LS970
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 62.9 cm2
Screen format
  • 18:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 75.7%
  • 69.2%
PPI /points per inch/
  • 282 PPI
  • 318 PPI
Camera and Video
Camera and Video — specifications for Z91, Optimus G LS970.
SpecificationZ91Optimus G LS970
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
  • 13 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
  • 1.3 MP
Performance

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

Performance — specifications for Z91, Optimus G LS970.
SpecificationZ91Optimus G LS970
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Qualcomm APQ8064
Graphics processor GPU
  • PowerVR GE8100
  • Adreno 320
Antutu 7 score *
  • 35722
  • 24943
General specs
General specs — specifications for Z91, Optimus G LS970.
SpecificationZ91Optimus G LS970
Release date
  • 2018
  • March
  • 2012
  • October
Colors
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 10000 INR
  • 480 EUR
Battery life Unknown
  • Talking time- Up to 13 h
Communication and Connectivity
Communication and Connectivity — specifications for Z91, Optimus G LS970.
SpecificationZ91Optimus G LS970
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-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 - CDMA 800 / 1900 GSM 850 / 900 / 1800 / 1900 -3G - CDMA2000 1xEV-DO HSDPA 850 / 1900 -4G - LTE band 25(1900)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • EV-DO Rev.A 3.1 Mbps
  • LTE
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0 (MHL TV-out)
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 1.26 W/kg (head) 1.27 W/kg (body)
Music and Audio
Music and Audio — specifications for Z91, Optimus G LS970.
SpecificationZ91Optimus G LS970
Radio
  • FM radio
  • No
Others Unknown
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z91, Optimus G LS970.
SpecificationZ91Optimus G LS970
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP4/H.264/WMV/DviX player -MP3/WMA/WAV/FLAC/eAAC+ player -Photo viewer/editor -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input - For Sprint Also known as LG Eclipse 4G LTE