O2 XDA Stellar vs Samsung Galaxy J7 (2017)

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

    Galaxy J7 (2017): 9 g lighter

    XDA Stellar:
    190 g
    Galaxy J7 (2017):
    181 g
  • Width

    XDA Stellar: 15.8 mm narrower

    XDA Stellar:
    59 mm
    Galaxy J7 (2017):
    74.8 mm
  • Screen diagonal

    XDA Stellar: 2.7 in smaller diagonal

    XDA Stellar:
    2.8 in
    Galaxy J7 (2017):
    5.5 in
  • Chipset

    XDA Stellar:
    Qualcomm MSM7200
    Galaxy J7 (2017):
    Exynos 7870 Octa (14 nm)
  • Depth

    Galaxy J7 (2017): 10.6 mm thinner

    XDA Stellar:
    18.6 mm
    Galaxy J7 (2017):
    8 mm
  • Height

    XDA Stellar: 40.5 mm shorter

    XDA Stellar:
    112 mm
    Galaxy J7 (2017):
    152.5 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 +10.6 mm versus Galaxy J7 (2017)
  2. 2. Galaxy J7 (2017)

    Height:
    152.5 mm +40.5 mm versus XDA Stellar
    Width:
    74.8 mm +15.8 mm versus XDA Stellar
    Depth:
    8 mm

Weight

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

  1. 1. XDA Stellar

    190 g

    +9 g versus Galaxy J7 (2017)

  2. 2. Galaxy J7 (2017)

    181 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. XDA Stellar

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Galaxy J7 (2017)

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

Galaxy J7 (2017) has approximately 243.5% 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 J7 (2017), compared at the same storage capacity.
StorageXDA StellarGalaxy J7 (2017)
16 GB Unknown 3 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 J7 (2017)

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. XDA Stellar

    1350 mAh

  2. 2. Galaxy J7 (2017)

    3600 mAh

    +2250 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 J7 (2017)

Everyday essentials
Everyday essentials — specifications for XDA Stellar, Galaxy J7 (2017).
SpecificationXDA StellarGalaxy J7 (2017)
Dimensions (HxWxD)
  • 112 Х 59 Х 18.6 mm
  • 152.5 Х 74.8 Х 8 mm
Weight
  • 190 g
  • 181 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2.8" inch
  • 5.5" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 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
  • 16 GB
  • 3 GB RAM
Memory card support
  • microSD
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 3600 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 7.0 (Nougat)
Chipset
  • Qualcomm MSM7200
  • Exynos 7870 Octa (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stellar, Galaxy J7 (2017).
SpecificationXDA StellarGalaxy J7 (2017)
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 83.4 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 36.7%
  • 73.1%
PPI /points per inch/
  • 143 PPI
  • 401 PPI
Camera and Video
Camera and Video — specifications for XDA Stellar, Galaxy J7 (2017).
SpecificationXDA StellarGalaxy J7 (2017)
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 13 MP
  • f/1.7
  • 27mm (wide)
  • 1/3.1''
  • 1.12µm
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • VGA videocall camera
  • 13 MP
  • f/1.9
  • 28mm (wide)
Performance

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

Performance — specifications for XDA Stellar, Galaxy J7 (2017).
SpecificationXDA StellarGalaxy J7 (2017)
Processor CPU
  • 400 MHz ARM 11
  • Octa-core 1.6 GHz Cortex-A53
Graphics processor GPU
  • Adreno 130
  • Mali-T830 MP1
Antutu 7 score * Unknown
  • 46153
GeekBench 4 Single Core * Unknown
  • 713
GeekBench 4 Multi-Core * Unknown
  • 3482
GeekBench 4 RenderScript * Unknown
  • 2288
General specs
General specs — specifications for XDA Stellar, Galaxy J7 (2017).
SpecificationXDA StellarGalaxy J7 (2017)
Release date
  • 2007
  • November
  • 2017
  • June
Colors
  • Silver
  • Black
  • Blue
  • Gold
  • Rose Gold
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
  • Talking time- Up to 24 h (3G) Music play - Up to 91 h
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stellar, Galaxy J7 (2017).
SpecificationXDA StellarGalaxy J7 (2017)
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 band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 40(2300)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
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
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.1
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.57 W/kg (head) 1.33 W/kg (body)
Music and Audio
Music and Audio — specifications for XDA Stellar, Galaxy J7 (2017).
SpecificationXDA StellarGalaxy J7 (2017)
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
  • Always-on display
Other features
Other features — specifications for XDA Stellar, Galaxy J7 (2017).
SpecificationXDA StellarGalaxy J7 (2017)
Dop
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - ANT+ - Versions: J730F/DS (Global Dual-SIM); J730FM/DS (UAE
  • Russia)