Celkon A64 vs Microsoft Lumia 950

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    A64: 24.4 g lighter

    A64:
    125.6 g
    Lumia 950:
    150 g
  • Width

    A64: 8.2 mm narrower

    A64:
    65 mm
    Lumia 950:
    73.2 mm
  • Screen diagonal

    A64: 1.2 in smaller diagonal

    A64:
    4 in
    Lumia 950:
    5.2 in
  • Depth

    Lumia 950: 2.3 mm thinner

    A64:
    10.5 mm
    Lumia 950:
    8.2 mm
  • Height

    A64: 21 mm shorter

    A64:
    124 mm
    Lumia 950:
    145 mm
  • Release year

    A64:
    2014
    Lumia 950:
    2015

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. A64

    Height:
    124 mm
    Width:
    65 mm
    Depth:
    10.5 mm +2.3 mm versus Lumia 950
  2. 2. Lumia 950

    Height:
    145 mm +21 mm versus A64
    Width:
    73.2 mm +8.2 mm versus A64
    Depth:
    8.2 mm

Weight

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

  1. 1. A64

    125.6 g

  2. 2. Lumia 950

    150 g

    +24.4 g versus A64

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. A64

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. Lumia 950

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

Lumia 950 has approximately 56.5% more rectangular screen area than A64.

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 A64, Lumia 950, compared at the same storage capacity.
StorageA64Lumia 950
32 GB Unknown 3 GB RAM
A64: Original memory entry

512 MB · 256 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. A64

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

2. Lumia 950

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

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. A64

    1400 mAh

  2. 2. Lumia 950

    3000 mAh

    +1600 mAh versus A64

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. A642. Lumia 950

Everyday essentials
Everyday essentials — specifications for A64, Lumia 950.
SpecificationA64Lumia 950
Dimensions (HxWxD)
  • 124 Х 65 Х 10.5 mm
  • 145 Х 73.2 Х 8.2 mm
Weight
  • 125.6 g
  • 150 g
Technology
  • TFT
  • AMOLED
Screen size
  • 4" inch
  • 5.2" inch
Screen resolution
  • 320 x 480 px
  • 1440 x 2560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 3000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Microsoft Windows 10
Chipset Unknown
  • Qualcomm MSM8992 Snapdragon 808 (20 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A64, Lumia 950.
SpecificationA64Lumia 950
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 47.6 cm2
  • 74.8 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 59.1%
  • 70.5%
PPI /points per inch/
  • 144 PPI
  • 564 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A64, Lumia 950.
SpecificationA64Lumia 950
Rear camera, main
  • 2 MP
  • Single
  • 20 MP
  • Single
Camera specs
  • 2 MP
  • 20 MP
  • f/1.9
  • 26mm (wide)
  • 1/2.4''
  • 1.12µm
  • OIS
  • AF
Functions
  • LED flash
  • Zeiss optics
  • triple-LED RGB flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA
  • 5 MP
  • f/2.4
Performance
Performance — specifications for A64, Lumia 950.
SpecificationA64Lumia 950
Processor CPU
  • Dual-core 1.2 GHz
  • Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57)
Graphics processor GPU Unknown
  • Adreno 418
General specs
General specs — specifications for A64, Lumia 950.
SpecificationA64Lumia 950
Release date
  • 2014
  • 2015
  • October
Colors
  • White
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 280 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 8 h 20 min
  • Stand by time- Up to 288 h (2G) / Up to 288 h (3G) Talking time- Up to 23 h (2G) / Up to 18 h (3G) Music play - Up to 67 h
Communication and Connectivity
Communication and Connectivity — specifications for A64, Lumia 950.
SpecificationA64Lumia 950
SIM card
  • Dual SIM
  • Nano-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -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)
  • 40(2300) - EMEA LTE band 1(2100)
  • 40(2300)
  • 41(2500) - USA
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB
  • 3.1
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 4.1
  • A2DP
Harmful irradiation
  • SAR EU - 0.42 W/kg (head) 0.55 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A64, Lumia 950.
SpecificationA64Lumia 950
Radio
  • FM radio
  • FM radio
Others Unknown
  • ClearBlack display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A64, Lumia 950.
SpecificationA64Lumia 950
Dop
  • Sensors Accelerometer
  • Sensors Iris scanner
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • sensor core - Microsoft Continuum support -Qi wireless charging (market dependent) -Fast charging