vivo Y31 vs Xiaomi Mi 6

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

    Y31: 31 g lighter

    Y31:
    137 g
    Mi 6:
    168 g
  • Width

    Y31: 1.7 mm narrower

    Y31:
    68.8 mm
    Mi 6:
    70.5 mm
  • Screen diagonal

    Y31: 0.45 in smaller diagonal

    Y31:
    4.7 in
    Mi 6:
    5.15 in
  • Chipset

    Y31:
    Mediatek MT6580 (28 nm)
    Mi 6:
    Qualcomm MSM8998 Snapdragon 835 (10 nm)
  • Rear camera layout

    Y31:
    Single
    Mi 6:
    Dual
  • Depth

    Mi 6: 0.9 mm thinner

    Y31:
    8.4 mm
    Mi 6:
    7.5 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. Y31

    Height:
    137.2 mm
    Width:
    68.8 mm
    Depth:
    8.4 mm +0.9 mm versus Mi 6
  2. 2. Mi 6

    Height:
    145.2 mm +8 mm versus Y31
    Width:
    70.5 mm +1.7 mm versus Y31
    Depth:
    7.5 mm

Weight

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

  1. 1. Y31

    137 g

  2. 2. Mi 6

    168 g

    +31 g versus Y31

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. Y31

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. Mi 6

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

Mi 6 has approximately 20.1% more rectangular screen area than Y31.

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 Y31, Mi 6, compared at the same storage capacity.
StorageY31Mi 6
8 GB 1 GB RAM Unknown
Mi 6: Original memory entry

64/128 GB · 6 GB RAM 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. Y31

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. Mi 6

NFC:
Yes
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. Y31

    2100 mAh

  2. 2. Mi 6

    3350 mAh

    +1250 mAh versus Y31

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. Y312. Mi 6

Everyday essentials
Everyday essentials — specifications for Y31, Mi 6.
SpecificationY31Mi 6
Dimensions (HxWxD)
  • 137.2 Х 68.8 Х 8.4 mm
  • 145.2 Х 70.5 Х 7.5 mm
Weight
  • 137 g
  • 168 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.7" inch
  • 5.15" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 64/128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Removable Li-Po
  • 3350 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.1 (Lollipop); Funtouch 2.1
  • Android 7.1.1 (Nougat); MIUI 8
Chipset
  • Mediatek MT6580 (28 nm)
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Y31, Mi 6.
SpecificationY31Mi 6
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 73.1 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 64.5%
  • 71.4%
PPI /points per inch/
  • 312 PPI
  • 428 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for Y31, Mi 6.
SpecificationY31Mi 6
Rear camera, main
  • 8 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 8 MP
  • 12 MP
  • f/1.8
  • 27mm (wide)
  • 1/2.9''
  • 1.25µm
  • 4-axis OIS
  • PDAF -12 MP
  • f/2.6
  • 52mm (telephoto)
  • 1.0µm
  • AF
  • 2x optical zoom
Functions
  • LED flash
  • HDR
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 2 MP
  • 8 MP
Performance

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

Performance — specifications for Y31, Mi 6.
SpecificationY31Mi 6
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
Graphics processor GPU
  • Mali-400MP2
  • Adreno 540
Antutu 7 score * Unknown
  • 205305
GeekBench 4 Single Core *
  • 405
  • 1894
GeekBench 4 Multi-Core *
  • 1086
  • 6193
GeekBench 4 RenderScript * Unknown
  • 7657
Antutu 8 score *
  • 101155
  • 261141
GeekBench 4 Battery * Unknown
  • 3620
GeekBench 5 Single Core * Unknown
  • 368
GeekBench 5 Multi-Core * Unknown
  • 1463
General specs
General specs — specifications for Y31, Mi 6.
SpecificationY31Mi 6
Release date
  • 2015
  • September
  • 2017
  • April
Colors
  • White
  • Black
  • Ceramic Black
  • Black
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 330 EUR
Body build Unknown
  • Front/back glass
  • stainless steel frame
Communication and Connectivity
Communication and Connectivity — specifications for Y31, Mi 6.
SpecificationY31Mi 6
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Y31, Mi 6.
SpecificationY31Mi 6
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Y31, Mi 6.
SpecificationY31Mi 6
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 3.0) - Splash resistant - For Global market