A1 Alpha vs Samsung G3812B Galaxy S3 Slim

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

    G3812B Galaxy S3 Slim: 11 g lighter

    Alpha:
    150 g
    G3812B Galaxy S3 Slim:
    139 g
  • Width

    G3812B Galaxy S3 Slim: 9.8 mm narrower

    Alpha:
    75.8 mm
    G3812B Galaxy S3 Slim:
    66 mm
  • Screen diagonal

    G3812B Galaxy S3 Slim: 1.74 in smaller diagonal

    Alpha:
    6.26 in
    G3812B Galaxy S3 Slim:
    4.52 in
  • Rear camera layout

    Alpha:
    Dual
    G3812B Galaxy S3 Slim:
    Single
  • Depth

    Alpha: 1.6 mm thinner

    Alpha:
    8.1 mm
    G3812B Galaxy S3 Slim:
    9.7 mm
  • Height

    G3812B Galaxy S3 Slim: 18.7 mm shorter

    Alpha:
    151.7 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. Alpha

    Height:
    151.7 mm +18.7 mm versus G3812B Galaxy S3 Slim
    Width:
    75.8 mm +9.8 mm versus G3812B Galaxy S3 Slim
    Depth:
    8.1 mm
  2. 2. G3812B Galaxy S3 Slim

    Height:
    133 mm
    Width:
    66 mm
    Depth:
    9.7 mm +1.6 mm versus Alpha

Weight

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

  1. 1. Alpha

    150 g

    +11 g versus G3812B Galaxy S3 Slim

  2. 2. G3812B Galaxy S3 Slim

    139 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. Alpha

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 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

Alpha has approximately 73.7% more rectangular screen area than G3812B Galaxy S3 Slim.

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 Alpha, G3812B Galaxy S3 Slim, compared at the same storage capacity.
StorageAlphaG3812B Galaxy S3 Slim
8 GB Not recorded 1 GB RAM
32 GB 2 GB RAM Not recorded
64 GB 3 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Alpha

NFC:
See details Yes (64/3GB model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM 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. Alpha

    3200 mAh

    +1100 mAh versus G3812B Galaxy S3 Slim

  2. 2. G3812B Galaxy S3 Slim

    2100 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. Alpha2. G3812B Galaxy S3 Slim

Everyday essentials
Everyday essentials — specifications for Alpha, G3812B Galaxy S3 Slim.
SpecificationAlphaG3812B Galaxy S3 Slim
Dimensions (HxWxD)
  • 151.7 Х 75.8 Х 8.1 mm
  • 133 Х 66 Х 9.7 mm
Weight
  • 150 g
  • 139 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.26" inch
  • 4.52" inch
Screen resolution
  • 720 x 1520 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 64GB 3GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 2100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 4.2 (Jelly Bean); TouchWiz UI
Chipset
  • Unisoc SC9863A (28nm)
Unknown
NFC
  • Yes (64/3GB model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Alpha, G3812B Galaxy S3 Slim.
SpecificationAlphaG3812B Galaxy S3 Slim
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.8 cm2
  • 56.3 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.1%
  • 64.2%
PPI /points per inch/
  • 269 PPI
  • 244 PPI
Camera and Video
Camera and Video — specifications for Alpha, G3812B Galaxy S3 Slim.
SpecificationAlphaG3812B Galaxy S3 Slim
Rear camera, main
  • 13 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 5 MP
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • VGA
Performance

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

Performance — specifications for Alpha, G3812B Galaxy S3 Slim.
SpecificationAlphaG3812B Galaxy S3 Slim
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • Quad-core 1.2 GHz
Graphics processor GPU
  • IMG8322
Unknown
Antutu 7 score * Unknown
  • 13000
General specs
General specs — specifications for Alpha, G3812B Galaxy S3 Slim.
SpecificationAlphaG3812B Galaxy S3 Slim
Release date
  • 2019
  • August
  • 2014
  • March
Colors
  • Black
  • Green
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 200 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Alpha, G3812B Galaxy S3 Slim.
SpecificationAlphaG3812B Galaxy S3 Slim
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 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 Alpha, G3812B Galaxy S3 Slim.
SpecificationAlphaG3812B Galaxy S3 Slim
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Alpha, G3812B Galaxy S3 Slim.
SpecificationAlphaG3812B Galaxy S3 Slim
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass