vivo X9 vs Xiaomi Mi 9 Explorer

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

    X9: 19 g lighter

    X9:
    154 g
    Mi 9 Explorer:
    173 g
  • Screen diagonal

    X9: 0.89 in smaller diagonal

    X9:
    5.5 in
    Mi 9 Explorer:
    6.39 in
  • Chipset

    X9:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
    Mi 9 Explorer:
    Qualcomm SDM855 Snapdragon 855 (7 nm)
  • Rear camera layout

    X9:
    Single
    Mi 9 Explorer:
    Triple
  • Depth

    X9: 0.6 mm thinner

    X9:
    7 mm
    Mi 9 Explorer:
    7.6 mm
  • Height

    X9: 4.9 mm shorter

    X9:
    152.6 mm
    Mi 9 Explorer:
    157.5 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. X9

    Height:
    152.6 mm
    Width:
    74 mm
    Depth:
    7 mm
  2. 2. Mi 9 Explorer

    Height:
    157.5 mm +4.9 mm versus X9
    Width:
    74.7 mm
    Depth:
    7.6 mm +0.6 mm versus X9

Weight

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

  1. 1. X9

    154 g

  2. 2. Mi 9 Explorer

    173 g

    +19 g versus X9

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. X9

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Mi 9 Explorer

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

Mi 9 Explorer has approximately 20.2% more rectangular screen area than X9.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

X9: Original memory entry

64/128 GB · 512GB 4GB

Mi 9 Explorer: Original memory entry

256 GB · 8/12 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. X9

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

2. Mi 9 Explorer

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. X9

    3050 mAh

  2. 2. Mi 9 Explorer

    3300 mAh

    +250 mAh versus X9

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. X92. Mi 9 Explorer

Everyday essentials
Everyday essentials — specifications for X9, Mi 9 Explorer.
SpecificationX9Mi 9 Explorer
Dimensions (HxWxD)
  • 152.6 Х 74 Х 7 mm
  • 157.5 Х 74.7 Х 7.6 mm
Weight
  • 154 g
  • 173 g
Technology
  • Super AMOLED
  • Super AMOLED
Screen size
  • 5.5" inch
  • 6.39" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 512GB 4GB
  • 256 GB
  • 8/12 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3050 mAh
  • Non-removable Li-Ion
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 6.1 (Marshmallow)
  • upgradable to Android 8 (Oreo); Funtouch 3
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for X9, Mi 9 Explorer.
SpecificationX9Mi 9 Explorer
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 100.2 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 73.8%
  • 85.2%
PPI /points per inch/
  • 401 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass 5
  • Corning Gorilla Glass 6
Camera and Video
Camera and Video — specifications for X9, Mi 9 Explorer.
SpecificationX9Mi 9 Explorer
Rear camera, main
  • 16 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 16 MP
  • PDAF
  • f/2.0
  • 48 MP
  • f/1.5 (12GB RAM model) or f/1.8 (8GB RAM model)
  • (wide)
  • 1/2"
  • 0.8µm
  • PDAF
  • Laser AF - 12 MP
  • f/2.2
  • 54mm (telephoto)
  • 1/3.6"
  • 1.0µm
  • laser AF
  • 2x optical zoom - 16 MP
  • 13mm (ultrawide)
  • 1/3.0"
Functions
  • LED flash
  • panorama
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 20 MP
  • Dual
  • 20 MP
  • Single
Specifications
  • 20 MP
  • f/2.0
  • 1/2.8'' 8 MP
  • 20 MP
  • f/2.0
  • 0.9μm
Performance

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

Performance — specifications for X9, Mi 9 Explorer.
SpecificationX9Mi 9 Explorer
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Adreno 506
  • Adreno 640
Antutu 7 score *
  • 60123
Unknown
GeekBench 4 Single Core *
  • 852
Unknown
GeekBench 4 Multi-Core *
  • 3965
Unknown
GeekBench 4 RenderScript *
  • 3081
Unknown
GeekBench 5 Single Core *
  • 167
Unknown
GeekBench 5 Multi-Core *
  • 1011
Unknown
General specs
General specs — specifications for X9, Mi 9 Explorer.
SpecificationX9Mi 9 Explorer
Release date
  • 2016
  • November
  • 2019
  • February
Colors
  • Gold
  • Rose Gold
  • Transparent Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 460 EUR
  • 530 EUR
Body build Unknown
  • Back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for X9, Mi 9 Explorer.
SpecificationX9Mi 9 Explorer
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 850 / 900 / 1900 / 2100 CDMA2000 1x & TD-SCDMA -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA
  • LTE-A
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 Host
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for X9, Mi 9 Explorer.
SpecificationX9Mi 9 Explorer
Radio
  • No
  • No
Others
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for X9, Mi 9 Explorer.
SpecificationX9Mi 9 Explorer
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (Quick Charge 4+) -Fast wireless charging 20W - Also known as Xiaomi Mi 9 Transparent Edition