O2 XDA Stellar vs Samsung Galaxy J7 Max

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 Max: 11 g lighter

    XDA Stellar:
    190 g
    Galaxy J7 Max:
    179 g
  • Width

    XDA Stellar: 19.8 mm narrower

    XDA Stellar:
    59 mm
    Galaxy J7 Max:
    78.8 mm
  • Screen diagonal

    XDA Stellar: 2.9 in smaller diagonal

    XDA Stellar:
    2.8 in
    Galaxy J7 Max:
    5.7 in
  • Chipset

    XDA Stellar:
    Qualcomm MSM7200
    Galaxy J7 Max:
    Mediatek MT6757 Helio P20 (16 nm)
  • Depth

    Galaxy J7 Max: 10.5 mm thinner

    XDA Stellar:
    18.6 mm
    Galaxy J7 Max:
    8.1 mm
  • Height

    XDA Stellar: 44.7 mm shorter

    XDA Stellar:
    112 mm
    Galaxy J7 Max:
    156.7 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 +10.5 mm versus Galaxy J7 Max
  2. 2. Galaxy J7 Max

    Height:
    156.7 mm +44.7 mm versus XDA Stellar
    Width:
    78.8 mm +19.8 mm versus XDA Stellar
    Depth:
    8.1 mm

Weight

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

  1. 1. XDA Stellar

    190 g

    +11 g versus Galaxy J7 Max

  2. 2. Galaxy J7 Max

    179 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 Max

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

Galaxy J7 Max has approximately 268.9% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

XDA Stellar: Original memory entry

128 MB RAM · 256 MB ROM

Galaxy J7 Max: Original memory entry

32 GB · 512GB 4GB

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 Max

NFC:
Unknown
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 Max

    3300 mAh

    +1950 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 Max

Everyday essentials
Everyday essentials — specifications for XDA Stellar, Galaxy J7 Max.
SpecificationXDA StellarGalaxy J7 Max
Dimensions (HxWxD)
  • 112 Х 59 Х 18.6 mm
  • 156.7 Х 78.8 Х 8.1 mm
Weight
  • 190 g
  • 179 g
Technology
  • TFT
  • PLS
Screen size
  • 2.8" inch
  • 5.7" 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
  • 32 GB
  • 512GB 4GB
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
  • 3300 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 7.0 (Nougat)
  • upgradable to Android 8.0 (Oreo)
Chipset
  • Qualcomm MSM7200
  • Mediatek MT6757 Helio P20 (16 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stellar, Galaxy J7 Max.
SpecificationXDA StellarGalaxy J7 Max
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 89.6 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 36.7%
  • 72.5%
PPI /points per inch/
  • 143 PPI
  • 386 PPI
Camera and Video
Camera and Video — specifications for XDA Stellar, Galaxy J7 Max.
SpecificationXDA StellarGalaxy J7 Max
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 13 MP
  • AF
  • f/1.7
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
Performance

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

Performance — specifications for XDA Stellar, Galaxy J7 Max.
SpecificationXDA StellarGalaxy J7 Max
Processor CPU
  • 400 MHz ARM 11
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.65 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 130
  • Mali-T880MP2
Antutu 7 score * Unknown
  • 44789
GeekBench 4 Single Core * Unknown
  • 615
GeekBench 4 Multi-Core * Unknown
  • 2591
GeekBench 4 RenderScript * Unknown
  • 1926
General specs
General specs — specifications for XDA Stellar, Galaxy J7 Max.
SpecificationXDA StellarGalaxy J7 Max
Release date
  • 2007
  • November
  • 2017
  • June
Colors
  • Silver
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 170 EUR
Battery life
  • Stand by time- Up to 365 h Talking time- Up to 5 h
  • Talking time- Up to 20 h (3G) Music play - Up to 72 h
Body build Unknown
  • aluminum body
  • plastic ends
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stellar, Galaxy J7 Max.
SpecificationXDA StellarGalaxy J7 Max
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)
  • 8(900)
  • 20(800)
  • 40(2300)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.57 W/kg (head) 1.06 W/kg (body) SAR EU - 0.46 W/kg (head) 1.52 W/kg (body)
Music and Audio
Music and Audio — specifications for XDA Stellar, Galaxy J7 Max.
SpecificationXDA StellarGalaxy J7 Max
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Stellar, Galaxy J7 Max.
SpecificationXDA StellarGalaxy J7 Max
Dop
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Versions: G615F/DS (India) Also known as Samsung Galaxy On Max without smart glow ring