Lava Z91 vs LG Apex

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

    Z91: 11 g lighter

    Z91:
    147 g
    Apex:
    158 g
  • Width

    Apex: 16.9 mm narrower

    Z91:
    72.9 mm
    Apex:
    56 mm
  • Screen diagonal

    Apex: 2.5 in smaller diagonal

    Z91:
    5.7 in
    Apex:
    3.2 in
  • Chipset

    Z91:
    Mediatek MT6739 (28 nm)
    Apex:
    Qualcomm MSM7627
  • Depth

    Z91: 8.3 mm thinner

    Z91:
    7.7 mm
    Apex:
    16 mm
  • Height

    Apex: 36 mm shorter

    Z91:
    152 mm
    Apex:
    116 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 +36 mm versus Apex
    Width:
    72.9 mm +16.9 mm versus Apex
    Depth:
    7.7 mm
  2. 2. Apex

    Height:
    116 mm
    Width:
    56 mm
    Depth:
    16 mm +8.3 mm versus Z91

Weight

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

  1. 1. Z91

    147 g

  2. 2. Apex

    158 g

    +11 g versus Z91

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. Apex

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

Z91 has approximately 187.7% more rectangular screen area than Apex.

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, Apex, compared at the same storage capacity.
StorageZ91Apex
32 GB 3 GB RAM Unknown
Apex: Original memory entry

512 MB · 256 MB 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. Apex

NFC:
Unknown
Headphone jack:
Yes
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

    +1500 mAh versus Apex

  2. 2. Apex

    1500 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. Apex

Everyday essentials
Everyday essentials — specifications for Z91, Apex.
SpecificationZ91Apex
Dimensions (HxWxD)
  • 152 Х 72.9 Х 7.7 mm
  • 116 Х 56 Х 16 mm
Weight
  • 147 g
  • 158 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.7" inch
  • 3.2" inch
Screen resolution
  • 720 x 1440 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 512 MB
  • 256 MB RAM
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
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.1 (Nougat)
  • Android 2.1 (Eclair)
  • upgradable to 2.2 (Froyo)
Chipset
  • Mediatek MT6739 (28 nm)
  • Qualcomm MSM7627
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z91, Apex.
SpecificationZ91Apex
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 83.8 cm2
  • 29.1 cm2
Screen format
  • 18:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 75.7%
  • 44.9%
PPI /points per inch/
  • 282 PPI
  • 292 PPI
Camera and Video
Camera and Video — specifications for Z91, Apex.
SpecificationZ91Apex
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • 480p
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
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, Apex.
SpecificationZ91Apex
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • 600 MHz ARM 11
Graphics processor GPU
  • PowerVR GE8100
  • Adreno 200
Antutu 7 score *
  • 35722
Unknown
General specs
General specs — specifications for Z91, Apex.
SpecificationZ91Apex
Release date
  • 2018
  • March
  • 2010
  • November
Colors
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 10000 INR
Unknown
Battery life Unknown
  • Stand by time- Up to 500 h Talking time- Up to 7 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Z91, Apex.
SpecificationZ91Apex
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 - CDMA 800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Yes
  • No
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • VZ Navigator
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.36 W/kg (head) 0.74 W/kg (body)
Music and Audio
Music and Audio — specifications for Z91, Apex.
SpecificationZ91Apex
Radio
  • FM radio
  • No
Other features
Other features — specifications for Z91, Apex.
SpecificationZ91Apex
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Sensors Accelerometer
  • compass - MP4/H.264 player -MP3/eAAC+ player -Organizer -Voice memo/dial/commands -Predictive text input - For U.S. Cellular