Lava Z91 vs Xiaomi Mi Mix Alpha

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
    Mi Mix Alpha:
    OLED
  • Weight

    Z91: 94 g lighter

    Z91:
    147 g
    Mi Mix Alpha:
    241 g
  • Screen diagonal

    Z91: 2.22 in smaller diagonal

    Z91:
    5.7 in
    Mi Mix Alpha:
    7.92 in
  • Chipset

    Z91:
    Mediatek MT6739 (28 nm)
    Mi Mix Alpha:
    Qualcomm SM8150 Snapdragon 855+ (7 nm)
  • Rear camera layout

    Z91:
    Single
    Mi Mix Alpha:
    Triple
  • Depth

    Z91: 2.7 mm thinner

    Z91:
    7.7 mm
    Mi Mix Alpha:
    10.4 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
  2. 2. Mi Mix Alpha

    Height:
    154.4 mm +2.4 mm versus Z91
    Width:
    72.3 mm
    Depth:
    10.4 mm +2.7 mm versus Z91

Weight

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

  1. 1. Z91

    147 g

  2. 2. Mi Mix Alpha

    241 g

    +94 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Z91

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. Mi Mix Alpha

    Mi Mix Alpha: Screen geometry unavailable or conflicting.

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, Mi Mix Alpha, compared at the same storage capacity.
StorageZ91Mi Mix Alpha
32 GB 3 GB RAM Unknown
Mi Mix Alpha: Original memory entry

512GB 12GB RAM · UFS3.0

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. Mi Mix Alpha

NFC:
Unknown
Headphone jack:
No
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

  2. 2. Mi Mix Alpha

    4050 mAh

    +1050 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. Mi Mix Alpha

Everyday essentials
Everyday essentials — specifications for Z91, Mi Mix Alpha.
SpecificationZ91Mi Mix Alpha
Dimensions (HxWxD)
  • 152 Х 72.9 Х 7.7 mm
  • 154.4 Х 72.3 Х 10.4 mm
Weight
  • 147 g
  • 241 g
Technology
  • IPS LCD
  • Flexible Super AMOLED
Screen size
  • 5.7" inch
  • 7.92" inch
Screen resolution
  • 720 x 1440 px
  • 2088 x 2250 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 512GB 12GB RAM
  • UFS3.0
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
  • 4050 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.1 (Nougat)
  • Android 10
Chipset
  • Mediatek MT6739 (28 nm)
  • Qualcomm SM8150 Snapdragon 855+ (7 nm)
Headphone jack
  • Yes
  • No
Display
Display — specifications for Z91, Mi Mix Alpha.
SpecificationZ91Mi Mix Alpha
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 201.8 cm2
Screen format
  • 18:9 (height:width)
Unknown
Screen to body ratio
  • 75.7%
  • 180.8%
PPI /points per inch/
  • 282 PPI
  • 388 PPI
Camera and Video
Camera and Video — specifications for Z91, Mi Mix Alpha.
SpecificationZ91Mi Mix Alpha
Rear camera, main
  • 13 MP
  • Single
  • 108 MP
  • Triple
Camera specs
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
  • 108 MP
  • f/1.7
  • (wide)
  • 1/1.33''
  • 0.8µm
  • PDAF
  • Laser AF -12 MP
  • f/2.0
  • 54mm (telephoto)
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
  • laser AF
  • 2x optical zoom -20 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/2.8''
  • 1.0µm
Functions
  • LED flash
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 3240p@30fps
  • 2160p@30/60fps
  • 1080p@30/120/240fps
  • 1080p@960fps
Front camera, selfie
  • 8 MP
  • Single
  • 108 MP
  • Triple
Specifications
  • 8 MP
  • f/2.2
  • uses main camera
Performance

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

Performance — specifications for Z91, Mi Mix Alpha.
SpecificationZ91Mi Mix Alpha
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • PowerVR GE8100
  • Adreno 640 (700 MHz)
Antutu 7 score *
  • 35722
Unknown
Antutu 8 score * Unknown
  • 480830
General specs
General specs — specifications for Z91, Mi Mix Alpha.
SpecificationZ91Mi Mix Alpha
Release date
  • 2018
  • March
  • 2019
  • September
Colors
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 10000 INR
  • 2500 EUR
Body build Unknown
  • Glass front
  • ceramic/glass back
  • titanium alloy frame (TC4)
Communication and Connectivity
Communication and Connectivity — specifications for Z91, Mi Mix Alpha.
SpecificationZ91Mi Mix Alpha
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • 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 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China -5G - 5G SA / NSA / Sub6 / mmWave; N41/N78/N79
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (7CA) Cat20 2048/150 Mbps
  • 5G (2+ Gbps DL)
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
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • USB On-The-Go
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Z91, Mi Mix Alpha.
SpecificationZ91Mi Mix Alpha
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z91, Mi Mix Alpha.
SpecificationZ91Mi Mix Alpha
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging 40W