i-mate JAM 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

    JAM: 35 g lighter

    JAM:
    150 g
    Galaxy A31:
    185 g
  • Width

    JAM: 15.1 mm narrower

    JAM:
    58 mm
    Galaxy A31:
    73.1 mm
  • Screen diagonal

    JAM: 3.6 in smaller diagonal

    JAM:
    2.8 in
    Galaxy A31:
    6.4 in
  • Rear camera layout

    JAM:
    Single
    Galaxy A31:
    Quad
  • Depth

    Galaxy A31: 9.4 mm thinner

    JAM:
    18 mm
    Galaxy A31:
    8.6 mm
  • Height

    JAM: 51.3 mm shorter

    JAM:
    108 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. JAM

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    18 mm +9.4 mm versus Galaxy A31
  2. 2. Galaxy A31

    Height:
    159.3 mm +51.3 mm versus JAM
    Width:
    73.1 mm +15.1 mm versus JAM
    Depth:
    8.6 mm

Weight

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

  1. 1. JAM

    150 g

  2. 2. Galaxy A31

    185 g

    +35 g versus JAM

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. JAM

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 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 307.3% more rectangular screen area than JAM.

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

64 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. JAM

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SDIO/MMC · up to 2 GB

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. JAM

    1200 mAh

  2. 2. Galaxy A31

    5000 mAh

    +3800 mAh versus JAM

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. JAM2. Galaxy A31

Everyday essentials
Everyday essentials — specifications for JAM, Galaxy A31.
SpecificationJAMGalaxy A31
Dimensions (HxWxD)
  • 108 Х 58 Х 18 mm
  • 159.3 Х 73.1 Х 8.6 mm
Weight
  • 150 g
  • 185 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2.8" inch
  • 6.4" inch
Screen resolution
  • 240 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 RAM
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • SDIO/MMC
  • up to 2 GB
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 2003 SE PocketPC
  • Android 10.0; One UI 2.0
NFC Unknown
  • Yes (market/region dependent)
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAM, Galaxy A31.
SpecificationJAMGalaxy A31
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 98.9 cm2
Screen format
  • 4:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 38.8%
  • 84.9%
PPI /points per inch/
  • 143 PPI
  • 411 PPI
Camera and Video
Camera and Video — specifications for JAM, Galaxy A31.
SpecificationJAMGalaxy 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 JAM, Galaxy A31.
SpecificationJAMGalaxy A31
Processor CPU
  • Intel PXA272 416 MHz
  • Octa-core (2x2.0 GHz & 6x1.7 GHz)
General specs
General specs — specifications for JAM, Galaxy A31.
SpecificationJAMGalaxy A31
Release date
  • 2004
  • Q4
  • 2020
  • March 24
Colors
  • Stylish black and silver
  • Prism Crush Black
  • Prism Crush Blue
  • Prism Crush Red
  • Prism Crush White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
Unknown
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 3 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for JAM, Galaxy A31.
SpecificationJAMGalaxy 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
  • No
  • 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
  • Yes
  • 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 JAM, Galaxy A31.
SpecificationJAMGalaxy A31
Radio
  • No
Unknown
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for JAM, Galaxy A31.
SpecificationJAMGalaxy A31
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player -Predictive text input - Produced by HTC. Functionally identical to Qtek S100
  • O2 XDA II mini and T-Mobile MDA Compact.
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W