Celkon A66 vs Nokia Lumia 830

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

    A66: 52 g lighter

    A66:
    98 g
    Lumia 830:
    150 g
  • Width

    A66: 3.5 mm narrower

    A66:
    67.2 mm
    Lumia 830:
    70.7 mm
  • Screen diagonal

    A66: 0.5 in smaller diagonal

    A66:
    4.5 in
    Lumia 830:
    5 in
  • Depth

    Lumia 830: 2.5 mm thinner

    A66:
    11 mm
    Lumia 830:
    8.5 mm
  • Height

    A66: 3.4 mm shorter

    A66:
    136 mm
    Lumia 830:
    139.4 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. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm +2.5 mm versus Lumia 830
  2. 2. Lumia 830

    Height:
    139.4 mm +3.4 mm versus A66
    Width:
    70.7 mm +3.5 mm versus A66
    Depth:
    8.5 mm

Weight

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

  1. 1. A66

    98 g

  2. 2. Lumia 830

    150 g

    +52 g versus A66

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. A66

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Lumia 830

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

Lumia 830 has approximately 23.5% more rectangular screen area than A66.

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 A66, Lumia 830, compared at the same storage capacity.
StorageA66Lumia 830
16 GB Unknown 1 GB RAM
A66: Original memory entry

4 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. A66

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

2. Lumia 830

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. A66

    2000 mAh

  2. 2. Lumia 830

    2200 mAh

    +200 mAh versus A66

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. A662. Lumia 830

Everyday essentials
Everyday essentials — specifications for A66, Lumia 830.
SpecificationA66Lumia 830
Dimensions (HxWxD)
  • 136 Х 67.2 Х 11 mm
  • 139.4 Х 70.7 Х 8.5 mm
Weight
  • 98 g
  • 150 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.5" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 16 GB
  • 1 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.
  • 2000 mAh
  • Li-Ion
  • 2200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • Microsoft Windows Phone 8.1
  • upgradable to Microsoft Windows 10
Chipset Unknown
  • Qualcomm Snapdragon 400 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A66, Lumia 830.
SpecificationA66Lumia 830
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 61.1%
  • 69.9%
PPI /points per inch/
  • 218 PPI
  • 294 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A66, Lumia 830.
SpecificationA66Lumia 830
Rear camera, main
  • 3.15 MP
  • Single
  • 10 MP
  • Single
Camera specs
  • 3.15 MP
  • 10 MP
  • f/2.2
  • 26mm (wide)
  • 1/3.4''
  • OIS
  • AF
Functions
  • LED flash
  • Zeiss optics
  • LED flash
  • panorama
Video
  • Yes
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.9 MP
  • Single
Specifications
  • VGA
  • 0.9 MP
Performance

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

Performance — specifications for A66, Lumia 830.
SpecificationA66Lumia 830
Processor CPU
  • Dual-core 1.2 GHz
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 305
Antutu 7 score * Unknown
  • 21396
General specs
General specs — specifications for A66, Lumia 830.
SpecificationA66Lumia 830
Release date
  • 2014
  • 2014
  • September
Colors
  • White
  • Black
  • Orange
  • Green
  • White
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 330 EUR
Battery life
  • Stand by time- Up to 160 h Talking time- Up to 5 h
  • Stand by time- Up to 528 h Talking time- Up to 12 h 54 min (2G) / Up to 14 h 48 min (3G) Music play - Up to 78 h
Communication and Connectivity
Communication and Connectivity — specifications for A66, Lumia 830.
SpecificationA66Lumia 830
SIM card
  • Dual SIM
  • Nano-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700) - AT&T
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Up to 296 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • DLNA
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • EDR
  • LE
  • aptX
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
  • SAR - 0.87 W/kg (head) 0.83 W/kg (body) SAR EU - 0.46 W/kg (head) 0.59 W/kg (body)
Music and Audio
Music and Audio — specifications for A66, Lumia 830.
SpecificationA66Lumia 830
Radio
  • FM radio
  • FM radio
Others Unknown
  • ClearBlack display
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A66, Lumia 830.
SpecificationA66Lumia 830
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Qi wireless charging - Also known as Nokia Lumia 830 RM-984