Palm Centro 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.

  • Weight

    Centro: 61 g lighter

    Centro:
    124 g
    Galaxy A31:
    185 g
  • Width

    Centro: 19.6 mm narrower

    Centro:
    53.5 mm
    Galaxy A31:
    73.1 mm
  • Screen diagonal

    Centro: 4.15 in smaller diagonal

    Centro:
    2.25 in
    Galaxy A31:
    6.4 in
  • Rear camera layout

    Centro:
    Single
    Galaxy A31:
    Quad
  • Depth

    Galaxy A31: 10 mm thinner

    Centro:
    18.6 mm
    Galaxy A31:
    8.6 mm
  • Height

    Centro: 52.1 mm shorter

    Centro:
    107.2 mm
    Galaxy A31:
    159.3 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. Centro

    Height:
    107.2 mm
    Width:
    53.5 mm
    Depth:
    18.6 mm +10 mm versus Galaxy A31
  2. 2. Galaxy A31

    Height:
    159.3 mm +52.1 mm versus Centro
    Width:
    73.1 mm +19.6 mm versus Centro
    Depth:
    8.6 mm

Weight

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

  1. 1. Centro

    124 g

  2. 2. Galaxy A31

    185 g

    +61 g versus Centro

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. Centro

    Screen diagonal:
    2.25 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    16.3 cm²
  2. 2. Galaxy A31

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

Galaxy A31 has approximately 505.6% more rectangular screen area than Centro.

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 Centro, Galaxy A31, compared at the same storage capacity.
StorageCentroGalaxy A31
64 GB Unknown 4 GB RAM
128 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
Centro: Original memory entry

64 MB

Practical features

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

1. Centro

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 4 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. Centro

    1150 mAh

  2. 2. Galaxy A31

    5000 mAh

    +3850 mAh versus Centro

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. Centro2. Galaxy A31

Everyday essentials
Everyday essentials — specifications for Centro, Galaxy A31.
SpecificationCentroGalaxy A31
Dimensions (HxWxD)
  • 107.2 Х 53.5 Х 18.6 mm
  • 159.3 Х 73.1 Х 8.6 mm
Weight
  • 124 g
  • 185 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2.25" inch
  • 6.4" inch
Screen resolution
  • 320 x 320 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 4 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1150 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Palm OS 5.4.9
  • Android 10.0; One UI 2.0
NFC Unknown
  • Yes (market/region dependent)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Centro, Galaxy A31.
SpecificationCentroGalaxy A31
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 16.3 cm2
  • 98.9 cm2
Screen format
  • 1:1 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 28.5%
  • 84.9%
PPI /points per inch/
  • 201 PPI
  • 411 PPI
Camera and Video
Camera and Video — specifications for Centro, Galaxy A31.
SpecificationCentroGalaxy A31
Rear camera, main
  • 1.3 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 1.3 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
  • 0 MP,
  • 20 MP
  • Single
Specifications Unknown
  • 20 MP
  • f/2.2
  • (wide)
Performance
Performance — specifications for Centro, Galaxy A31.
SpecificationCentroGalaxy A31
Processor CPU
  • 32-bit Intel XScale PXA270 312 MHz
  • Octa-core (2x2.0 GHz & 6x1.7 GHz)
General specs
General specs — specifications for Centro, Galaxy A31.
SpecificationCentroGalaxy A31
Release date
  • 2008
  • February
  • 2020
  • March 24
Colors
  • Obsidian
  • Glacier
  • Midnight
  • Cobalt
  • Onyx
  • Electric Blue
  • Rose
  • Olive
  • Prism Crush Black
  • Prism Crush Blue
  • Prism Crush Red
  • Prism Crush White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 4 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Centro, Galaxy A31.
SpecificationCentroGalaxy A31
SIM card
  • Mini-SIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • 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 Unknown
  • HSPA
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • No
  • 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
  • Proprietary
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 1.2
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
  • SAR EU - 0.49 W/kg (head) 1.68 W/kg (body)
Music and Audio
Music and Audio — specifications for Centro, Galaxy A31.
SpecificationCentroGalaxy A31
Radio
  • No
Unknown
Others
  • 5-way navigation button
Unknown
Other features
Other features — specifications for Centro, Galaxy A31.
SpecificationCentroGalaxy A31
Dop
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W