Lava Z91 vs Samsung Galaxy C7

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.

  • Display technology

    OLED versus LCD

    Z91:
    LCD
    Galaxy C7:
    OLED
  • Weight

    Z91: 22 g lighter

    Z91:
    147 g
    Galaxy C7:
    169 g
  • Width

    Z91: 4.3 mm narrower

    Z91:
    72.9 mm
    Galaxy C7:
    77.2 mm
  • Chipset

    Z91:
    Mediatek MT6739 (28 nm)
    Galaxy C7:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Depth

    Galaxy C7: 0.9 mm thinner

    Z91:
    7.7 mm
    Galaxy C7:
    6.8 mm
  • Height

    Z91: 4.6 mm shorter

    Z91:
    152 mm
    Galaxy C7:
    156.6 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
    Width:
    72.9 mm
    Depth:
    7.7 mm +0.9 mm versus Galaxy C7
  2. 2. Galaxy C7

    Height:
    156.6 mm +4.6 mm versus Z91
    Width:
    77.2 mm +4.3 mm versus Z91
    Depth:
    6.8 mm

Weight

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

  1. 1. Z91

    147 g

  2. 2. Galaxy C7

    169 g

    +22 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. Galaxy C7

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

Galaxy C7 has approximately 6.8% 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, Galaxy C7, compared at the same storage capacity.
StorageZ91Galaxy C7
32 GB 3 GB RAM Unknown
Galaxy C7: Original memory entry

32/64 GB · 512GB 4GB

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. Galaxy C7

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. Galaxy C7

    3300 mAh

    +300 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. Galaxy C7

Everyday essentials
Everyday essentials — specifications for Z91, Galaxy C7.
SpecificationZ91Galaxy C7
Dimensions (HxWxD)
  • 152 Х 72.9 Х 7.7 mm
  • 156.6 Х 77.2 Х 6.8 mm
Weight
  • 147 g
  • 169 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.7" inch
  • 5.7" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 32/64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 3300 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 7.1 (Nougat)
  • Android 6.0.1 (Marshmallow)
  • upgradable to Android 8.0 (Oreo)
Chipset
  • Mediatek MT6739 (28 nm)
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z91, Galaxy C7.
SpecificationZ91Galaxy C7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 89.6 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 75.7%
  • 74.1%
PPI /points per inch/
  • 282 PPI
  • 386 PPI
Camera and Video
Camera and Video — specifications for Z91, Galaxy C7.
SpecificationZ91Galaxy C7
Rear camera, main
  • 13 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
  • 16 MP
  • AF
  • f/1.9
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
  • 8 MP
  • f/1.9
Performance

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

Performance — specifications for Z91, Galaxy C7.
SpecificationZ91Galaxy C7
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • PowerVR GE8100
  • Adreno 506
Antutu 7 score *
  • 35722
  • 60155
GeekBench 4 Single Core * Unknown
  • 840
GeekBench 4 Multi-Core * Unknown
  • 3560
GeekBench 4 RenderScript * Unknown
  • 3070
GeekBench 5 Single Core * Unknown
  • 167
GeekBench 5 Multi-Core * Unknown
  • 1008
General specs
General specs — specifications for Z91, Galaxy C7.
SpecificationZ91Galaxy C7
Release date
  • 2018
  • March
  • 2016
  • May
Colors
  • Blue
  • Gold
  • Pink Gold
  • Dark Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 10000 INR
  • 250 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Z91, Galaxy C7.
SpecificationZ91Galaxy C7
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
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 -3G - HSDPA 850 / 900 / 1900 / 2100 - C7000 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - C7000
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE Cat4 150/50 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 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS/ BDS (region dependent)
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Z91, Galaxy C7.
SpecificationZ91Galaxy C7
Radio
  • FM radio
  • Stereo FM radio with RDS; reco
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z91, Galaxy C7.
SpecificationZ91Galaxy C7
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) -ANT+