Xiaomi Redmi 4a 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: 31.5 g lighter

    Redmi 4a:
    131.5 g
    Q900s:
    100 g
  • Width

    Q900s: 3.2 mm narrower

    Redmi 4a:
    70.4 mm
    Q900s:
    67.2 mm
  • Screen diagonal

    Q900s: 0.3 in smaller diagonal

    Redmi 4a:
    5 in
    Q900s:
    4.7 in
  • Chipset

    Redmi 4a:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
    Q900s:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    Q900s: 1.3 mm thinner

    Redmi 4a:
    8.5 mm
    Q900s:
    7.2 mm
  • Height

    Q900s: 4.1 mm shorter

    Redmi 4a:
    139.9 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. Redmi 4a

    Height:
    139.9 mm +4.1 mm versus Q900s
    Width:
    70.4 mm +3.2 mm versus Q900s
    Depth:
    8.5 mm +1.3 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. Redmi 4a

    131.5 g

    +31.5 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. Redmi 4a

    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

Redmi 4a 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 Redmi 4a, Q900s, compared at the same storage capacity.
StorageRedmi 4aQ900s
8 GB Not recorded 1 GB RAM
16 GB 2 GB RAM Not recorded
32 GB 2 GB RAM Not recorded

Practical features

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

1. Redmi 4a

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

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. Redmi 4a

    3120 mAh

    +1320 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. Redmi 4a2. Q900s

Everyday essentials
Everyday essentials — specifications for Redmi 4a, Q900s.
SpecificationRedmi 4aQ900s
Dimensions (HxWxD)
  • 139.9 Х 70.4 Х 8.5 mm
  • 135.8 Х 67.2 Х 7.2 mm
Weight
  • 131.5 g
  • 100 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 4.7" inch
Screen resolution
  • 720 x 1280 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB
  • 2 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3120 mAh
  • Non-removable Li-Ion
  • 1800 mAh
  • Removable Li-Po
Operating system OS
  • Android 6.0.1 (Marshmallow); MIUI 10
  • Android 4.3 (Jelly Bean)
  • upgradable to 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Redmi 4a, Q900s.
SpecificationRedmi 4aQ900s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.0 cm2
  • 60.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 69.0%
  • 66.7%
PPI /points per inch/
  • 296 PPI
  • 234 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for Redmi 4a, Q900s.
SpecificationRedmi 4aQ900s
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.2
  • 8 MP
  • AF
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
  • panorama
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 5 MP
  • f/2.2
  • 2 MP
Performance

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

Performance — specifications for Redmi 4a, Q900s.
SpecificationRedmi 4aQ900s
Processor CPU
  • Quad-core 1.4 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 308
  • Adreno 302
Antutu 7 score *
  • 43152
Unknown
GeekBench 4 Single Core *
  • 664
Unknown
GeekBench 4 Multi-Core *
  • 1740
Unknown
GeekBench 4 RenderScript *
  • 1350
Unknown
GeekBench 5 Single Core *
  • 123
Unknown
GeekBench 5 Multi-Core *
  • 396
Unknown
General specs
General specs — specifications for Redmi 4a, Q900s.
SpecificationRedmi 4aQ900s
Release date
  • 2016
  • November
  • 2014
  • June
Colors
  • Gold
  • Rose Gold
  • Dark Gray
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 110 EUR
Unknown
Battery life Unknown
  • 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
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Redmi 4a, Q900s.
SpecificationRedmi 4aQ900s
SIM card
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
  • Dual SIM
Network
  • 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)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 20(800)
  • 38(2600)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Redmi 4a, Q900s.
SpecificationRedmi 4aQ900s
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Redmi 4a, Q900s.
SpecificationRedmi 4aQ900s
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • Infrared port
  • Sensors Accelerometer
  • proximity
  • compass - For India