Xiaomi Mi 4 vs Xolo Q900s

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

    Q900s: 49 g lighter

    Mi 4:
    149 g
    Q900s:
    100 g
  • Width

    Q900s: 1.3 mm narrower

    Mi 4:
    68.5 mm
    Q900s:
    67.2 mm
  • Screen diagonal

    Q900s: 0.3 in smaller diagonal

    Mi 4:
    5 in
    Q900s:
    4.7 in
  • Chipset

    Mi 4:
    Qualcomm MSM8974AC Snapdragon 801 (28 nm)
    Q900s:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    Q900s: 1.7 mm thinner

    Mi 4:
    8.9 mm
    Q900s:
    7.2 mm
  • Height

    Q900s: 3.4 mm shorter

    Mi 4:
    139.2 mm
    Q900s:
    135.8 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. Mi 4

    Height:
    139.2 mm +3.4 mm versus Q900s
    Width:
    68.5 mm +1.3 mm versus Q900s
    Depth:
    8.9 mm +1.7 mm versus Q900s
  2. 2. Q900s

    Height:
    135.8 mm
    Width:
    67.2 mm
    Depth:
    7.2 mm

Weight

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

  1. 1. Mi 4

    149 g

    +49 g versus Q900s

  2. 2. Q900s

    100 g

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. Mi 4

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Q900s

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

Mi 4 has approximately 13.2% more rectangular screen area than Q900s.

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 Mi 4, Q900s, compared at the same storage capacity.
StorageMi 4Q900s
8 GB Unknown 1 GB RAM
Mi 4: Original memory entry

16/64 GB · 2/3 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. Mi 4

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

2. Q900s

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. Mi 4

    3080 mAh

    +1280 mAh versus Q900s

  2. 2. Q900s

    1800 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. Mi 42. Q900s

Everyday essentials
Everyday essentials — specifications for Mi 4, Q900s.
SpecificationMi 4Q900s
Dimensions (HxWxD)
  • 139.2 Х 68.5 Х 8.9 mm
  • 135.8 Х 67.2 Х 7.2 mm
Weight
  • 149 g
  • 100 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 4.7" inch
Screen resolution
  • 1080 x 1920 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/64 GB
  • 2/3 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3080 mAh
  • Non-removable Li-Ion
  • 1800 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.4.3 (KitKat)
  • upgradable to 6.0.1 (Marshmallow); MIUI 10
  • Android 4.3 (Jelly Bean)
  • upgradable to 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Mi 4, Q900s.
SpecificationMi 4Q900s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 60.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 72.3%
  • 66.7%
PPI /points per inch/
  • 441 PPI
  • 234 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for Mi 4, Q900s.
SpecificationMi 4Q900s
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/1.8
  • 1/3''
  • 1.12µm
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
  • panorama
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • f/1.8
  • 2 MP
Performance

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

Performance — specifications for Mi 4, Q900s.
SpecificationMi 4Q900s
Processor CPU
  • Quad-core 2.5 GHz Krait 400
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 330
  • Adreno 302
Antutu 7 score *
  • 61632
Unknown
GeekBench 4 Single Core *
  • 891
Unknown
GeekBench 4 Multi-Core *
  • 1967
Unknown
GeekBench 4 RenderScript *
  • 1997
Unknown
General specs
General specs — specifications for Mi 4, Q900s.
SpecificationMi 4Q900s
Release date
  • 2014
  • July
  • 2014
  • June
Colors
  • Black
  • White
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
Unknown
Battery life
  • Stand by time- Up to 280 h (3G)
  • Stand by time- Up to 263 h (2G) / Up to 246 h (3G) Talking time- Up to 23 h (2G) / Up to 14 h (3G)
Body build
  • aluminum frame
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Mi 4, Q900s.
SpecificationMi 4Q900s
SIM card
  • Micro-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions CDMA 800 / 1900 - Telecom 3G model -3G - TD-SCDMA - 4G model HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model
  • Telecom 3G model CDMA2000 1xEV-DO - Telecom 3G model -4G - LTE band 38(2600)
  • 39(1900)
  • 40(2300) - 4G model
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE
  • EV-DO Rev.A 3.1 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 1.36 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Mi 4, Q900s.
SpecificationMi 4Q900s
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Mi 4, Q900s.
SpecificationMi 4Q900s
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 2.0)
  • Sensors Accelerometer
  • proximity
  • compass - For India