Lava Z91 vs YU Yutopia

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: 12 g lighter

    Z91:
    147 g
    Yutopia:
    159 g
  • Screen diagonal

    Yutopia: 0.5 in smaller diagonal

    Z91:
    5.7 in
    Yutopia:
    5.2 in
  • Chipset

    Z91:
    Mediatek MT6739 (28 nm)
    Yutopia:
    Qualcomm MSM8994 Snapdragon 810 (20 nm)
  • Depth

    Yutopia: 0.5 mm thinner

    Z91:
    7.7 mm
    Yutopia:
    7.2 mm
  • Height

    Yutopia: 5.4 mm shorter

    Z91:
    152 mm
    Yutopia:
    146.6 mm
  • Release year

    Z91:
    2018
    Yutopia:
    2015

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 +5.4 mm versus Yutopia
    Width:
    72.9 mm
    Depth:
    7.7 mm +0.5 mm versus Yutopia
  2. 2. Yutopia

    Height:
    146.6 mm
    Width:
    72.7 mm
    Depth:
    7.2 mm

Weight

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

  1. 1. Z91

    147 g

  2. 2. Yutopia

    159 g

    +12 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. Yutopia

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

Z91 has approximately 12.5% more rectangular screen area than Yutopia.

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, Yutopia, compared at the same storage capacity.
StorageZ91Yutopia
32 GB 3 GB RAM Unknown
Yutopia: Original memory entry

32 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. Yutopia

NFC:
Unknown
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. Yutopia

    3000 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. Yutopia

Everyday essentials
Everyday essentials — specifications for Z91, Yutopia.
SpecificationZ91Yutopia
Dimensions (HxWxD)
  • 152 Х 72.9 Х 7.7 mm
  • 146.6 Х 72.7 Х 7.2 mm
Weight
  • 147 g
  • 159 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 5.2" inch
Screen resolution
  • 720 x 1440 px
  • 1440 x 2560 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
  • 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
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.1 (Nougat)
  • Android 5.1.1 (Lollipop)
  • Cyanogen 12.1
Chipset
  • Mediatek MT6739 (28 nm)
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z91, Yutopia.
SpecificationZ91Yutopia
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 74.5 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 75.7%
  • 69.9%
PPI /points per inch/
  • 282 PPI
  • 565 PPI
Screen protection Unknown
  • Corning Concore Glass
Camera and Video
Camera and Video — specifications for Z91, Yutopia.
SpecificationZ91Yutopia
Rear camera, main
  • 13 MP
  • Single
  • 21 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
  • 21 MP
  • f/2.2
  • 27mm (wide)
  • 1/2.4''
  • 1.12µm
  • OIS
  • PDAF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 2160p@30fps
  • 720p@120fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
  • 8 MP
  • f/2.2
  • 1/3.2''
  • 1.4µm
Performance

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

Performance — specifications for Z91, Yutopia.
SpecificationZ91Yutopia
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Octa-core (4x2.0 GHz Cortex A57 & 4x1.5 GHz Cortex-A53)
Graphics processor GPU
  • PowerVR GE8100
  • Adreno 430
Antutu 7 score *
  • 35722
Unknown
General specs
General specs — specifications for Z91, Yutopia.
SpecificationZ91Yutopia
Release date
  • 2018
  • March
  • 2015
  • December
Colors
  • Blue
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 10000 INR
  • 420 EUR
Battery life Unknown
  • Stand by time- Up to 300 h (3G) Talking time- Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Z91, Yutopia.
SpecificationZ91Yutopia
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Micro-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 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 7(2600)
  • 20(800)
  • 40(2300)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Z91, Yutopia.
SpecificationZ91Yutopia
Radio
  • FM radio
  • FM radio
Others Unknown
  • DTS sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z91, Yutopia.
SpecificationZ91Yutopia
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 2.0) - Also known as YU Yutopia YU5050