BLU Dash 3.5 vs Samsung Galaxy A31

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

    Dash 3.5: 75 g lighter

    Dash 3.5:
    110 g
    Galaxy A31:
    185 g
  • Width

    Dash 3.5: 11.1 mm narrower

    Dash 3.5:
    62 mm
    Galaxy A31:
    73.1 mm
  • Screen diagonal

    Dash 3.5: 2.9 in smaller diagonal

    Dash 3.5:
    3.5 in
    Galaxy A31:
    6.4 in
  • Rear camera layout

    Dash 3.5:
    Single
    Galaxy A31:
    Quad
  • Depth

    Galaxy A31: 2.9 mm thinner

    Dash 3.5:
    11.5 mm
    Galaxy A31:
    8.6 mm
  • Height

    Dash 3.5: 44.3 mm shorter

    Dash 3.5:
    115 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. Dash 3.5

    Height:
    115 mm
    Width:
    62 mm
    Depth:
    11.5 mm +2.9 mm versus Galaxy A31
  2. 2. Galaxy A31

    Height:
    159.3 mm +44.3 mm versus Dash 3.5
    Width:
    73.1 mm +11.1 mm versus Dash 3.5
    Depth:
    8.6 mm

Weight

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

  1. 1. Dash 3.5

    110 g

  2. 2. Galaxy A31

    185 g

    +75 g versus Dash 3.5

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. Dash 3.5

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 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 171.1% more rectangular screen area than Dash 3.5.

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 Dash 3.5, Galaxy A31, compared at the same storage capacity.
StorageDash 3.5Galaxy A31
64 GB Unknown 4 GB RAM
128 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
Dash 3.5: Original memory entry

512 MB · 256 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. Dash 3.5

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. Dash 3.5

    1300 mAh

  2. 2. Galaxy A31

    5000 mAh

    +3700 mAh versus Dash 3.5

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. Dash 3.52. Galaxy A31

Everyday essentials
Everyday essentials — specifications for Dash 3.5, Galaxy A31.
SpecificationDash 3.5Galaxy A31
Dimensions (HxWxD)
  • 115 Х 62 Х 11.5 mm
  • 159.3 Х 73.1 Х 8.6 mm
Weight
  • 110 g
  • 185 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 3.5" inch
  • 6.4" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 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.
  • 1300 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 10.0; One UI 2.0
Chipset
  • Mediatek MT6572M (28 nm)
Unknown
NFC Unknown
  • Yes (market/region dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Dash 3.5, Galaxy A31.
SpecificationDash 3.5Galaxy A31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 36.5 cm2
  • 98.9 cm2
Screen format
  • 3:2 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 51.2%
  • 84.9%
PPI /points per inch/
  • 165 PPI
  • 411 PPI
Camera and Video
Camera and Video — specifications for Dash 3.5, Galaxy A31.
SpecificationDash 3.5Galaxy A31
Rear camera, main
  • 3.15 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 3.15 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 Dash 3.5, Galaxy A31.
SpecificationDash 3.5Galaxy A31
Processor CPU
  • Dual-core 1.0 GHz Cortex-A7
  • Octa-core (2x2.0 GHz & 6x1.7 GHz)
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for Dash 3.5, Galaxy A31.
SpecificationDash 3.5Galaxy A31
Release date
  • 2012
  • September
  • 2020
  • March 24
Colors
  • Black
  • 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.
  • 70 EUR
Unknown
Battery life
  • Stand by time- Up to 700 h (2G) / Up to 500 h (3G) Talking time- Up to 15 h (2G) / Up to 10 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Dash 3.5, Galaxy A31.
SpecificationDash 3.5Galaxy A31
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - 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 7.2/5.76 Mbps
  • HSPA
  • LTE-A
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • 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
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.49 W/kg (head) 1.68 W/kg (body)
Music and Audio
Music and Audio — specifications for Dash 3.5, Galaxy A31.
SpecificationDash 3.5Galaxy A31
Radio
  • Stereo FM radio
Unknown
Other features
Other features — specifications for Dash 3.5, Galaxy A31.
SpecificationDash 3.5Galaxy A31
Dop
  • Sensors Accelerometer MP3/AAC/WMA/WAV player -DivX/XviD/MP4/H.264/WMV player -Document viewer/editor -Photo viewer/editor D161 Single SIM D171 Dual SIM
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W