O2 XDA Stellar vs Samsung Galaxy M31

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.

  • Width

    XDA Stellar: 16.1 mm narrower

    XDA Stellar:
    59 mm
    Galaxy M31:
    75.1 mm
  • Screen diagonal

    XDA Stellar: 3.6 in smaller diagonal

    XDA Stellar:
    2.8 in
    Galaxy M31:
    6.4 in
  • Chipset

    XDA Stellar:
    Qualcomm MSM7200
    Galaxy M31:
    Exynos 9611 (10nm)
  • Rear camera layout

    XDA Stellar:
    Single
    Galaxy M31:
    Triple
  • Depth

    Galaxy M31: 9.7 mm thinner

    XDA Stellar:
    18.6 mm
    Galaxy M31:
    8.9 mm
  • Height

    XDA Stellar: 47.2 mm shorter

    XDA Stellar:
    112 mm
    Galaxy M31:
    159.2 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. XDA Stellar

    Height:
    112 mm
    Width:
    59 mm
    Depth:
    18.6 mm +9.7 mm versus Galaxy M31
  2. 2. Galaxy M31

    Height:
    159.2 mm +47.2 mm versus XDA Stellar
    Width:
    75.1 mm +16.1 mm versus XDA Stellar
    Depth:
    8.9 mm

Weight

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

  1. 1. XDA Stellar

    190 g

  2. 2. Galaxy M31

    191 g

    +1 g versus XDA Stellar

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. XDA Stellar

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Galaxy M31

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

Galaxy M31 has approximately 314.1% more rectangular screen area than XDA Stellar.

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 XDA Stellar, Galaxy M31, compared at the same storage capacity.
StorageXDA StellarGalaxy M31
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
XDA Stellar: Original memory entry

128 MB RAM · 256 MB ROM

Practical features

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

1. XDA Stellar

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD

2. Galaxy M31

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. XDA Stellar

    1350 mAh

  2. 2. Galaxy M31

    6000 mAh

    +4650 mAh versus XDA Stellar

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. XDA Stellar2. Galaxy M31

Everyday essentials
Everyday essentials — specifications for XDA Stellar, Galaxy M31.
SpecificationXDA StellarGalaxy M31
Dimensions (HxWxD)
  • 112 Х 59 Х 18.6 mm
  • 159.2 Х 75.1 Х 8.9 mm
Weight
  • 190 g
  • 191 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2.8" inch
  • 6.4" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
  • 64GB 6GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 6000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 10.0; One UI 2.0
Chipset
  • Qualcomm MSM7200
  • Exynos 9611 (10nm)
NFC Unknown
  • Yes (market/region dependent)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stellar, Galaxy M31.
SpecificationXDA StellarGalaxy M31
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 100.5 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 36.7%
  • 84.1%
PPI /points per inch/
  • 143 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for XDA Stellar, Galaxy M31.
SpecificationXDA StellarGalaxy M31
Rear camera, main
  • 3.15 MP
  • Single
  • 64 MP
  • Triple
Camera specs
  • 3.15 MP
  • AF
  • 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)
Functions Unknown
  • HDR
Video
  • Yes
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 32 MP
  • Single
Specifications
  • VGA videocall camera
  • 32 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.8''
  • 0.8µm
Performance

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

Performance — specifications for XDA Stellar, Galaxy M31.
SpecificationXDA StellarGalaxy M31
Processor CPU
  • 400 MHz ARM 11
  • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 130
  • Mali-G72 MP3
Antutu 8 score * Unknown
  • 194554
General specs
General specs — specifications for XDA Stellar, Galaxy M31.
SpecificationXDA StellarGalaxy M31
Release date
  • 2007
  • November
  • 2020
  • February 25
Colors
  • Silver
  • Ocean Blue
  • Space Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Battery life
  • Stand by time- Up to 365 h Talking time- Up to 5 h
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stellar, Galaxy M31.
SpecificationXDA StellarGalaxy M31
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • 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
  • 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.52 W/kg (head) 0.69 W/kg (body) SAR EU - 0.52 W/kg (head) 0.69 W/kg (body)
Music and Audio
Music and Audio — specifications for XDA Stellar, Galaxy M31.
SpecificationXDA StellarGalaxy M31
Radio
  • No
  • FM radio
  • RDS
  • recording
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Stellar, Galaxy M31.
SpecificationXDA StellarGalaxy M31
Dop
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 15W - Versions: SM-M315F/DS