Microsoft Lumia 640 LTE vs Xolo Win 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

    Win Q900s: 45 g lighter

    Lumia 640 LTE:
    145 g
    Win Q900s:
    100 g
  • Width

    Win Q900s: 5 mm narrower

    Lumia 640 LTE:
    72.2 mm
    Win Q900s:
    67.2 mm
  • Screen diagonal

    Win Q900s: 0.3 in smaller diagonal

    Lumia 640 LTE:
    5 in
    Win Q900s:
    4.7 in
  • Chipset

    Lumia 640 LTE:
    Qualcomm MSM8926 Snapdragon 400 (28 nm)
    Win Q900s:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    Win Q900s: 1.6 mm thinner

    Lumia 640 LTE:
    8.8 mm
    Win Q900s:
    7.2 mm
  • Height

    Win Q900s: 5.5 mm shorter

    Lumia 640 LTE:
    141.3 mm
    Win 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. Lumia 640 LTE

    Height:
    141.3 mm +5.5 mm versus Win Q900s
    Width:
    72.2 mm +5 mm versus Win Q900s
    Depth:
    8.8 mm +1.6 mm versus Win Q900s
  2. 2. Win 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. Lumia 640 LTE

    145 g

    +45 g versus Win Q900s

  2. 2. Win 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. Lumia 640 LTE

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

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

Lumia 640 LTE has approximately 13.2% more rectangular screen area than Win 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 Lumia 640 LTE, Win Q900s, compared at the same storage capacity.
StorageLumia 640 LTEWin Q900s
8 GB Recorded for all phones 1 GB RAM 1 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. Lumia 640 LTE

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

2. Win 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. Lumia 640 LTE

    2500 mAh

    +700 mAh versus Win Q900s

  2. 2. Win 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. Lumia 640 LTE2. Win Q900s

Everyday essentials
Everyday essentials — specifications for Lumia 640 LTE, Win Q900s.
SpecificationLumia 640 LTEWin Q900s
Dimensions (HxWxD)
  • 141.3 Х 72.2 Х 8.8 mm
  • 135.8 Х 67.2 Х 7.2 mm
Weight
  • 145 g
  • 100 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 4.7" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft Windows Phone 8.1
  • upgradable to Microsoft Windows 10
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm MSM8926 Snapdragon 400 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Lumia 640 LTE, Win Q900s.
SpecificationLumia 640 LTEWin Q900s
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
  • 67.6%
  • 66.7%
PPI /points per inch/
  • 294 PPI
  • 312 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for Lumia 640 LTE, Win Q900s.
SpecificationLumia 640 LTEWin Q900s
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • f/2.2
  • 28mm (wide)
  • 1/4''
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
Video
  • 720p
  • Yes
Front camera, selfie
  • 1 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 1 MP
  • 2 MP
Performance
Performance — specifications for Lumia 640 LTE, Win Q900s.
SpecificationLumia 640 LTEWin Q900s
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 305
  • Adreno 302
General specs
General specs — specifications for Lumia 640 LTE, Win Q900s.
SpecificationLumia 640 LTEWin Q900s
Release date
  • 2015
  • March
  • 2014
  • June
Colors
  • Glossy cyan
  • Orange
  • White
  • Matte Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 864 h (2G) / Up to 864 h (3G) Talking time- Up to 26 h 30 min (2G) / Up to 17 h 30 min (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)
Communication and Connectivity
Communication and Connectivity — specifications for Lumia 640 LTE, Win Q900s.
SpecificationLumia 640 LTEWin Q900s
SIM card
  • Micro-SIM
  • Dual SIM (dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 - T-Mobile -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
  • 17(700) - T-Mobile
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • 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
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for Lumia 640 LTE, Win Q900s.
SpecificationLumia 640 LTEWin Q900s
Radio
  • FM radio
  • FM radio
Others
  • ClearBlack display
Unknown
Other features
Other features — specifications for Lumia 640 LTE, Win Q900s.
SpecificationLumia 640 LTEWin Q900s
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass - For India