Samsung Galaxy M31 vs Vodafone Smart 4

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

    Smart 4: 39 g lighter

    Galaxy M31:
    191 g
    Smart 4:
    152 g
  • Width

    Smart 4: 9.1 mm narrower

    Galaxy M31:
    75.1 mm
    Smart 4:
    66 mm
  • Screen diagonal

    Smart 4: 1.9 in smaller diagonal

    Galaxy M31:
    6.4 in
    Smart 4:
    4.5 in
  • Chipset

    Galaxy M31:
    Exynos 9611 (10nm)
    Smart 4:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Rear camera layout

    Galaxy M31:
    Triple
    Smart 4:
    Single
  • Depth

    Galaxy M31: 1.7 mm thinner

    Galaxy M31:
    8.9 mm
    Smart 4:
    10.6 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. Galaxy M31

    Height:
    159.2 mm +24.5 mm versus Smart 4
    Width:
    75.1 mm +9.1 mm versus Smart 4
    Depth:
    8.9 mm
  2. 2. Smart 4

    Height:
    134.7 mm
    Width:
    66 mm
    Depth:
    10.6 mm +1.7 mm versus Galaxy M31

Weight

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

  1. 1. Galaxy M31

    191 g

    +39 g versus Smart 4

  2. 2. Smart 4

    152 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. Galaxy M31

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²
  2. 2. Smart 4

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

Galaxy M31 has approximately 80.1% more rectangular screen area than Smart 4.

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 Galaxy M31, Smart 4, compared at the same storage capacity.
StorageGalaxy M31Smart 4
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
Smart 4: 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. Galaxy M31

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

2. Smart 4

NFC:
See details Yes (optional)
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. Galaxy M31

    6000 mAh

    +4120 mAh versus Smart 4

  2. 2. Smart 4

    1880 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. Galaxy M312. Smart 4

Everyday essentials
Everyday essentials — specifications for Galaxy M31, Smart 4.
SpecificationGalaxy M31Smart 4
Dimensions (HxWxD)
  • 159.2 Х 75.1 Х 8.9 mm
  • 134.7 Х 66 Х 10.6 mm
Weight
  • 191 g
  • 152 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6.4" inch
  • 4.5" inch
Screen resolution
  • 1080 x 2340 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 6GB RAM
  • 128GB 6GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 6000 mAh
  • Non-removable Li-Po
  • 1880 mAh
  • Removable Li-Ion
Operating system OS
  • Android 10.0; One UI 2.0
  • Android 4.4.2 (KitKat)
Chipset
  • Exynos 9611 (10nm)
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
NFC
  • Yes (market/region dependent)
  • Yes (optional)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy M31, Smart 4.
SpecificationGalaxy M31Smart 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 100.5 cm2
  • 55.8 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 84.1%
  • 62.8%
PPI /points per inch/
  • 403 PPI
  • 218 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Galaxy M31, Smart 4.
SpecificationGalaxy M31Smart 4
Rear camera, main
  • 64 MP
  • Triple
  • 5 MP
  • Single
Camera specs
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.72"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 12mm (ultrawide)
  • 1/4.0"
  • 1.12µm -5 MP
  • f/2.4
  • 25mm (macro)
  • 1/5.0"
  • (depth)
  • 5 MP
Functions
  • HDR
  • LED flash
Video
  • 2160p@30fps
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 32 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 32 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.8''
  • 0.8µm
Unknown
Performance

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

Performance — specifications for Galaxy M31, Smart 4.
SpecificationGalaxy M31Smart 4
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-G72 MP3
  • Adreno 302
Antutu 7 score * Unknown
  • 8302
Antutu 8 score *
  • 194554
Unknown
General specs
General specs — specifications for Galaxy M31, Smart 4.
SpecificationGalaxy M31Smart 4
Release date
  • 2020
  • February 25
  • 2014
  • May
Colors
  • Ocean Blue
  • Space Black
  • Red
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 90 EUR
Body build
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy M31, Smart 4.
SpecificationGalaxy M31Smart 4
SIM card
  • 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 (unspecified)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA
  • LTE-A
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.52 W/kg (head) 0.69 W/kg (body) SAR EU - 0.52 W/kg (head) 0.69 W/kg (body)
  • SAR - 1.22 W/kg (head) 0.82 W/kg (body)
Music and Audio
Music and Audio — specifications for Galaxy M31, Smart 4.
SpecificationGalaxy M31Smart 4
Radio
  • FM radio
  • RDS
  • recording
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy M31, Smart 4.
SpecificationGalaxy M31Smart 4
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 15W - Versions: SM-M315F/DS
  • Sensors Accelerometer
  • proximity