Celkon A40 vs Samsung G3812B Galaxy S3 Slim

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

    A40: 12.5 g lighter

    A40:
    126.5 g
    G3812B Galaxy S3 Slim:
    139 g
  • Width

    A40: 2 mm narrower

    A40:
    64 mm
    G3812B Galaxy S3 Slim:
    66 mm
  • Screen diagonal

    A40: 0.52 in smaller diagonal

    A40:
    4 in
    G3812B Galaxy S3 Slim:
    4.52 in
  • Depth

    G3812B Galaxy S3 Slim: 1.1 mm thinner

    A40:
    10.8 mm
    G3812B Galaxy S3 Slim:
    9.7 mm
  • Height

    A40: 6.8 mm shorter

    A40:
    126.2 mm
    G3812B Galaxy S3 Slim:
    133 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. A40

    Height:
    126.2 mm
    Width:
    64 mm
    Depth:
    10.8 mm +1.1 mm versus G3812B Galaxy S3 Slim
  2. 2. G3812B Galaxy S3 Slim

    Height:
    133 mm +6.8 mm versus A40
    Width:
    66 mm +2 mm versus A40
    Depth:
    9.7 mm

Weight

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

  1. 1. A40

    126.5 g

  2. 2. G3812B Galaxy S3 Slim

    139 g

    +12.5 g versus A40

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. A40

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. G3812B Galaxy S3 Slim

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

G3812B Galaxy S3 Slim has approximately 23.7% more rectangular screen area than A40.

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 A40, G3812B Galaxy S3 Slim, compared at the same storage capacity.
StorageA40G3812B Galaxy S3 Slim
8 GB Unknown 1 GB RAM
A40: 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. A40

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

2. G3812B Galaxy S3 Slim

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. A40

    1500 mAh

  2. 2. G3812B Galaxy S3 Slim

    2100 mAh

    +600 mAh versus A40

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. A402. G3812B Galaxy S3 Slim

Everyday essentials
Everyday essentials — specifications for A40, G3812B Galaxy S3 Slim.
SpecificationA40G3812B Galaxy S3 Slim
Dimensions (HxWxD)
  • 126.2 Х 64 Х 10.8 mm
  • 133 Х 66 Х 9.7 mm
Weight
  • 126.5 g
  • 139 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 4.52" inch
Screen resolution
  • 480 x 800 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 2100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 4.2 (Jelly Bean); TouchWiz UI
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A40, G3812B Galaxy S3 Slim.
SpecificationA40G3812B Galaxy S3 Slim
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 56.3 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.4%
  • 64.2%
PPI /points per inch/
  • 233 PPI
  • 244 PPI
Camera and Video
Camera and Video — specifications for A40, G3812B Galaxy S3 Slim.
SpecificationA40G3812B Galaxy S3 Slim
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA
Performance

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

Performance — specifications for A40, G3812B Galaxy S3 Slim.
SpecificationA40G3812B Galaxy S3 Slim
Processor CPU
  • Dual-core 1.3 GHz
  • Quad-core 1.2 GHz
Antutu 7 score * Unknown
  • 13000
General specs
General specs — specifications for A40, G3812B Galaxy S3 Slim.
SpecificationA40G3812B Galaxy S3 Slim
Release date
  • 2014
  • January
  • 2014
  • March
Colors
  • White
  • Yellow
  • Blue
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Communication and Connectivity
Communication and Connectivity — specifications for A40, G3812B Galaxy S3 Slim.
SpecificationA40G3812B Galaxy S3 Slim
SIM card
  • Dual SIM
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • EDR
  • aptX
Harmful irradiation Unknown
  • SAR - 0.61 W/kg (head) 1.13 W/kg (body) SAR EU - 0.55 W/kg (head) 0.40 W/kg (body)
Music and Audio
Music and Audio — specifications for A40, G3812B Galaxy S3 Slim.
SpecificationA40G3812B Galaxy S3 Slim
Radio
  • FM radio
  • No
Other features
Other features — specifications for A40, G3812B Galaxy S3 Slim.
SpecificationA40G3812B Galaxy S3 Slim
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass