Lava Z91 vs ZTE Grand Xmax

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

    Z91: 24.8 g lighter

    Z91:
    147 g
    Grand Xmax:
    171.8 g
  • Width

    Z91: 10.2 mm narrower

    Z91:
    72.9 mm
    Grand Xmax:
    83.1 mm
  • Screen diagonal

    Z91: 0.3 in smaller diagonal

    Z91:
    5.7 in
    Grand Xmax:
    6 in
  • Chipset

    Z91:
    Mediatek MT6739 (28 nm)
    Grand Xmax:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Height

    Z91: 10.1 mm shorter

    Z91:
    152 mm
    Grand Xmax:
    162.1 mm
  • Release year

    Z91:
    2018
    Grand Xmax:
    2014

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
    Width:
    72.9 mm
    Depth:
    7.7 mm
  2. 2. Grand Xmax

    Height:
    162.1 mm +10.1 mm versus Z91
    Width:
    83.1 mm +10.2 mm versus Z91
    Depth:
    7.9 mm

Weight

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

  1. 1. Z91

    147 g

  2. 2. Grand Xmax

    171.8 g

    +24.8 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. Grand Xmax

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    99.2 cm²

Grand Xmax has approximately 18.4% more rectangular screen area than Z91.

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, Grand Xmax, compared at the same storage capacity.
StorageZ91Grand Xmax
8 GB Not recorded 1 GB RAM
32 GB 3 GB RAM Not recorded

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. Grand Xmax

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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

  2. 2. Grand Xmax

    3200 mAh

    +200 mAh versus Z91

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. Grand Xmax

Everyday essentials
Everyday essentials — specifications for Z91, Grand Xmax.
SpecificationZ91Grand Xmax
Dimensions (HxWxD)
  • 152 Х 72.9 Х 7.7 mm
  • 162.1 Х 83.1 Х 7.9 mm
Weight
  • 147 g
  • 171.8 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.7" inch
  • 6" inch
Screen resolution
  • 720 x 1440 px
  • 720 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
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 3200 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 7.1 (Nougat)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6739 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z91, Grand Xmax.
SpecificationZ91Grand Xmax
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 99.2 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 75.7%
  • 73.7%
PPI /points per inch/
  • 282 PPI
  • 245 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Z91, Grand Xmax.
SpecificationZ91Grand Xmax
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 1 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
  • 1 MP
Performance

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

Performance — specifications for Z91, Grand Xmax.
SpecificationZ91Grand Xmax
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • PowerVR GE8100
  • Adreno 302
Antutu 7 score *
  • 35722
  • 12887
General specs
General specs — specifications for Z91, Grand Xmax.
SpecificationZ91Grand Xmax
Release date
  • 2018
  • March
  • 2014
  • October
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 860 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Z91, Grand Xmax.
SpecificationZ91Grand Xmax
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 - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
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 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Z91, Grand Xmax.
SpecificationZ91Grand Xmax
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z91, Grand Xmax.
SpecificationZ91Grand Xmax
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Sensors Accelerometer
  • proximity
  • Infrared port - Fast battery charging: 30% in 30 min (Quick Charge 1.0)