Microsoft Lumia 640 Dual SIM vs Plum Axe 4

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

    Axe 4: 38 g lighter

    Lumia 640 Dual SIM:
    145 g
    Axe 4:
    107 g
  • Width

    Axe 4: 8.2 mm narrower

    Lumia 640 Dual SIM:
    72.2 mm
    Axe 4:
    64 mm
  • Screen diagonal

    Axe 4: 1 in smaller diagonal

    Lumia 640 Dual SIM:
    5 in
    Axe 4:
    4 in
  • Chipset

    Lumia 640 Dual SIM:
    Qualcomm MSM8926 Snapdragon 400 (28 nm)
    Axe 4:
    Spreadtrum SC7731C
  • Depth

    Lumia 640 Dual SIM: 1.1 mm thinner

    Lumia 640 Dual SIM:
    8.8 mm
    Axe 4:
    9.9 mm
  • Height

    Axe 4: 17.3 mm shorter

    Lumia 640 Dual SIM:
    141.3 mm
    Axe 4:
    124 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 Dual SIM

    Height:
    141.3 mm +17.3 mm versus Axe 4
    Width:
    72.2 mm +8.2 mm versus Axe 4
    Depth:
    8.8 mm
  2. 2. Axe 4

    Height:
    124 mm
    Width:
    64 mm
    Depth:
    9.9 mm +1.1 mm versus Lumia 640 Dual SIM

Weight

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

  1. 1. Lumia 640 Dual SIM

    145 g

    +38 g versus Axe 4

  2. 2. Axe 4

    107 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 Dual SIM

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Axe 4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Lumia 640 Dual SIM has approximately 51.3% more rectangular screen area than Axe 4.

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 Dual SIM, Axe 4, compared at the same storage capacity.
StorageLumia 640 Dual SIMAxe 4
8 GB 1 GB RAM Unknown
Axe 4: Original memory entry

8 GB · 512 MB 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 Dual SIM

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

2. Axe 4

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 Dual SIM

    2500 mAh

    +1100 mAh versus Axe 4

  2. 2. Axe 4

    1400 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 Dual SIM2. Axe 4

Everyday essentials
Everyday essentials — specifications for Lumia 640 Dual SIM, Axe 4.
SpecificationLumia 640 Dual SIMAxe 4
Dimensions (HxWxD)
  • 141.3 Х 72.2 Х 8.8 mm
  • 124 Х 64 Х 9.9 mm
Weight
  • 145 g
  • 107 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 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
  • 512 MB 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
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • upgradable to Microsoft Windows 10
  • Android 6.0 (Marshmallow)
Chipset
  • Qualcomm MSM8926 Snapdragon 400 (28 nm)
  • Spreadtrum SC7731C
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Lumia 640 Dual SIM, Axe 4.
SpecificationLumia 640 Dual SIMAxe 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 67.6%
  • 57.4%
PPI /points per inch/
  • 294 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Lumia 640 Dual SIM, Axe 4.
SpecificationLumia 640 Dual SIMAxe 4
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • f/2.2
  • 28mm (wide)
  • 1/4''
  • AF
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • 720p
  • 720p@30fps
Front camera, selfie
  • 1 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 1 MP
  • 2 MP
Performance

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

Performance — specifications for Lumia 640 Dual SIM, Axe 4.
SpecificationLumia 640 Dual SIMAxe 4
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 305
  • Mali-400
Antutu 7 score * Unknown
  • 5577
General specs
General specs — specifications for Lumia 640 Dual SIM, Axe 4.
SpecificationLumia 640 Dual SIMAxe 4
Release date
  • 2015
  • March
  • 2017
  • December
Colors
  • Glossy cyan
  • Orange
  • White
  • Matte Black
  • Black
  • Blue
  • Red
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
Unknown
Battery life
  • Stand by time- Up to 840 h (2G) / Up to 840 h (3G) Talking time- Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G)
  • Stand by time- Up to 170 h (3G) Talking time- Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Lumia 640 Dual SIM, Axe 4.
SpecificationLumia 640 Dual SIMAxe 4
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Micro-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
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 21.1/5.76 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
  • Wi-Fi Direct
  • 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
Music and Audio
Music and Audio — specifications for Lumia 640 Dual SIM, Axe 4.
SpecificationLumia 640 Dual SIMAxe 4
Radio
  • FM radio
  • FM radio
Others
  • ClearBlack display
Unknown
Other features
Other features — specifications for Lumia 640 Dual SIM, Axe 4.
SpecificationLumia 640 Dual SIMAxe 4
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer Also known as Plum Z407