O2 XDA Stellar vs Samsung Galaxy Alpha

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 Alpha: 75 g lighter

    XDA Stellar:
    190 g
    Galaxy Alpha:
    115 g
  • Width

    XDA Stellar: 6.5 mm narrower

    XDA Stellar:
    59 mm
    Galaxy Alpha:
    65.5 mm
  • Screen diagonal

    XDA Stellar: 1.9 in smaller diagonal

    XDA Stellar:
    2.8 in
    Galaxy Alpha:
    4.7 in
  • Chipset

    XDA Stellar:
    Qualcomm MSM7200
    Galaxy Alpha:
    Exynos 5430 Octa (20 nm)
  • Depth

    Galaxy Alpha: 11.9 mm thinner

    XDA Stellar:
    18.6 mm
    Galaxy Alpha:
    6.7 mm
  • Height

    XDA Stellar: 20.4 mm shorter

    XDA Stellar:
    112 mm
    Galaxy Alpha:
    132.4 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 +11.9 mm versus Galaxy Alpha
  2. 2. Galaxy Alpha

    Height:
    132.4 mm +20.4 mm versus XDA Stellar
    Width:
    65.5 mm +6.5 mm versus XDA Stellar
    Depth:
    6.7 mm

Weight

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

  1. 1. XDA Stellar

    190 g

    +75 g versus Galaxy Alpha

  2. 2. Galaxy Alpha

    115 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 Alpha

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

Galaxy Alpha has approximately 150.8% 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 Alpha, compared at the same storage capacity.
StorageXDA StellarGalaxy Alpha
32 GB Unknown 2 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 Alpha

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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 Alpha

    1860 mAh

    +510 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 Alpha

Everyday essentials
Everyday essentials — specifications for XDA Stellar, Galaxy Alpha.
SpecificationXDA StellarGalaxy Alpha
Dimensions (HxWxD)
  • 112 Х 59 Х 18.6 mm
  • 132.4 Х 65.5 Х 6.7 mm
Weight
  • 190 g
  • 115 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2.8" inch
  • 4.7" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1280 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
  • 2 GB RAM
Memory card support
  • microSD
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 1860 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 4.4.4 (KitKat)
  • upgradable to 5.0.2 (Lollipop)
Chipset
  • Qualcomm MSM7200
  • Exynos 5430 Octa (20 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stellar, Galaxy Alpha.
SpecificationXDA StellarGalaxy Alpha
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 60.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 36.7%
  • 70.2%
PPI /points per inch/
  • 143 PPI
  • 312 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for XDA Stellar, Galaxy Alpha.
SpecificationXDA StellarGalaxy Alpha
Rear camera, main
  • 3.15 MP
  • Single
  • 12 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 12 MP
  • f/2.2
  • 31mm (standard)
  • AF
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 2160p@30fps
  • 1080p@60fps
  • 720p@120fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2.1 MP
  • Single
Specifications
  • VGA videocall camera
  • 2.1 MP
Performance

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

Performance — specifications for XDA Stellar, Galaxy Alpha.
SpecificationXDA StellarGalaxy Alpha
Processor CPU
  • 400 MHz ARM 11
  • Octa-core (4x1.8 GHz Cortex-A15 & 4x1.3 GHz Cortex-A7)
Graphics processor GPU
  • Adreno 130
  • Mali-T628 MP6
Antutu 7 score * Unknown
  • 50125
GeekBench 4 Single Core * Unknown
  • 782
GeekBench 4 Multi-Core * Unknown
  • 2457
GeekBench 4 RenderScript * Unknown
  • 1804
General specs
General specs — specifications for XDA Stellar, Galaxy Alpha.
SpecificationXDA StellarGalaxy Alpha
Release date
  • 2007
  • November
  • 2014
  • August
Colors
  • Silver
  • Charcoal Black
  • Sleek Silver
  • Dazzling White
  • Frosted Gold
  • Scuba Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 390 EUR
Battery life
  • Stand by time- Up to 365 h Talking time- Up to 5 h
  • Stand by time- Up to 350 h (3G) Talking time- Up to 11 h (3G) Music play - Up to 37 h
Body build Unknown
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stellar, Galaxy Alpha.
SpecificationXDA StellarGalaxy Alpha
SIM card
  • Mini-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800) - G850F LTE band 1(2100)
  • 4(1700/2100)
  • 17(700) - SM-G850M
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • EDR
  • LE
Harmful irradiation Unknown
  • SAR - 1.18 W/kg (head) 0.75 W/kg (body) SAR EU - 0.37 W/kg (head) 0.51 W/kg (body)
Music and Audio
Music and Audio — specifications for XDA Stellar, Galaxy Alpha.
SpecificationXDA StellarGalaxy Alpha
Radio
  • No
  • No
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Stellar, Galaxy Alpha.
SpecificationXDA StellarGalaxy Alpha
Dop
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • heart rate - ANT+ - Versions: G850F (Europe); G850T (T-Mobile)
  • G850M (Vodafone); G850FQ; G850Y Also known as Samsung Galaxy Alfa