Celkon AR45 vs Samsung Galaxy A31

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.

  • Screen diagonal

    AR45: 1.9 in smaller diagonal

    AR45:
    4.5 in
    Galaxy A31:
    6.4 in
  • Rear camera layout

    AR45:
    Single
    Galaxy A31:
    Quad
  • Release year

    AR45:
    2013
    Galaxy A31:
    2020

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. AR45

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. Galaxy A31

    Height:
    159.3 mm
    Width:
    73.1 mm
    Depth:
    8.6 mm
    Weight:
    185 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. AR45

    AR45: Screen geometry unavailable or conflicting.

  2. 2. Galaxy A31

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    98.9 cm²

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 AR45, Galaxy A31, compared at the same storage capacity.
StorageAR45Galaxy A31
64 GB Unknown 4 GB RAM
128 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
AR45: 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. AR45

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

2. Galaxy A31

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. AR45

    2000 mAh

  2. 2. Galaxy A31

    5000 mAh

    +3000 mAh versus AR45

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. AR452. Galaxy A31

Everyday essentials
Everyday essentials — specifications for AR45, Galaxy A31.
SpecificationAR45Galaxy A31
Dimensions (HxWxD)
  • Х Х mm
  • 159.3 Х 73.1 Х 8.6 mm
Weight
  • 0 g
  • 185 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 4.5" inch
  • 6.4" inch
Screen resolution
  • 960 x 854 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 10.0; One UI 2.0
Chipset
  • Mediatek MT6572 (28 nm)
Unknown
NFC Unknown
  • Yes (market/region dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for AR45, Galaxy A31.
SpecificationAR45Galaxy A31
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 64.9 cm2
  • 98.9 cm2
Screen format Unknown
  • 20:9 (height:width)
Screen to body ratio Unknown
  • 84.9%
PPI /points per inch/
  • 0 PPI
  • 411 PPI
Camera and Video
Camera and Video — specifications for AR45, Galaxy A31.
SpecificationAR45Galaxy A31
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 5 MP
  • 48 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -5 MP
  • f/2.4
  • (macro) -5 MP
  • (depth)
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 1.3 MP
  • 20 MP
  • f/2.2
  • (wide)
Performance
Performance — specifications for AR45, Galaxy A31.
SpecificationAR45Galaxy A31
Processor CPU
  • Dual-core 1.2 GHz Cortex-A7
  • Octa-core (2x2.0 GHz & 6x1.7 GHz)
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for AR45, Galaxy A31.
SpecificationAR45Galaxy A31
Release date
  • 2013
  • October
  • 2020
  • March 24
Colors
  • White
  • Prism Crush Black
  • Prism Crush Blue
  • Prism Crush Red
  • Prism Crush White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for AR45, Galaxy A31.
SpecificationAR45Galaxy A31
SIM card
  • Dual SIM (Mini-SIM)
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA
  • HSPA
  • LTE-A
GPRS
  • Class 12
  • 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
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • Yes
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.74 W/kg (head) 0.68 W/kg (body)
  • SAR EU - 0.49 W/kg (head) 1.68 W/kg (body)
Music and Audio
Music and Audio — specifications for AR45, Galaxy A31.
SpecificationAR45Galaxy A31
Radio
  • FM radio
Unknown
Other features
Other features — specifications for AR45, Galaxy A31.
SpecificationAR45Galaxy A31
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W