Samsung Galaxy Alpha vs T-Mobile HD2

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: 42 g lighter

    Galaxy Alpha:
    115 g
    HD2:
    157 g
  • Width

    Galaxy Alpha: 1.5 mm narrower

    Galaxy Alpha:
    65.5 mm
    HD2:
    67 mm
  • Screen diagonal

    HD2: 0.4 in smaller diagonal

    Galaxy Alpha:
    4.7 in
    HD2:
    4.3 in
  • Chipset

    Galaxy Alpha:
    Exynos 5430 Octa (20 nm)
    HD2:
    Qualcomm QSD8250 Snapdragon S1
  • Depth

    Galaxy Alpha: 4.3 mm thinner

    Galaxy Alpha:
    6.7 mm
    HD2:
    11 mm
  • Height

    HD2: 10.4 mm shorter

    Galaxy Alpha:
    132.4 mm
    HD2:
    122 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. Galaxy Alpha

    Height:
    132.4 mm +10.4 mm versus HD2
    Width:
    65.5 mm
    Depth:
    6.7 mm
  2. 2. HD2

    Height:
    122 mm
    Width:
    67 mm +1.5 mm versus Galaxy Alpha
    Depth:
    11 mm +4.3 mm versus Galaxy Alpha

Weight

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

  1. 1. Galaxy Alpha

    115 g

  2. 2. HD2

    157 g

    +42 g versus Galaxy Alpha

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. Galaxy Alpha

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. HD2

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    52.6 cm²

Galaxy Alpha has approximately 15.7% more rectangular screen area than HD2.

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 Galaxy Alpha, HD2, compared at the same storage capacity.
StorageGalaxy AlphaHD2
32 GB 2 GB RAM Unknown
HD2: Original memory entry

576 MB RAM · 1 GB 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. Galaxy Alpha

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

2. HD2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 16 GB included

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. Galaxy Alpha

    1860 mAh

    +630 mAh versus HD2

  2. 2. HD2

    1230 mAh

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. Galaxy Alpha2. HD2

Everyday essentials
Everyday essentials — specifications for Galaxy Alpha, HD2.
SpecificationGalaxy AlphaHD2
Dimensions (HxWxD)
  • 132.4 Х 65.5 Х 6.7 mm
  • 122 Х 67 Х 11 mm
Weight
  • 115 g
  • 157 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 4.7" inch
  • 4.3" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 2 GB RAM
  • 576 MB RAM
  • 1 GB ROM
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
  • 16 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1860 mAh
  • Removable Li-Ion
  • 1230 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.4 (KitKat)
  • upgradable to 5.0.2 (Lollipop)
  • Microsoft Windows Mobile 6.5 Professional; Sense UI
Chipset
  • Exynos 5430 Octa (20 nm)
  • Qualcomm QSD8250 Snapdragon S1
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy Alpha, HD2.
SpecificationGalaxy AlphaHD2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 60.9 cm2
  • 52.6 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 70.2%
  • 64.4%
PPI /points per inch/
  • 312 PPI
  • 217 PPI
Screen protection
  • Corning Gorilla Glass 4
Unknown
Camera and Video
Camera and Video — specifications for Galaxy Alpha, HD2.
SpecificationGalaxy AlphaHD2
Rear camera, main
  • 12 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 12 MP
  • f/2.2
  • 31mm (standard)
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • Dual-LED flash
Video
  • 2160p@30fps
  • 1080p@60fps
  • 720p@120fps
  • 480p@30fps
Front camera, selfie
  • 2.1 MP
  • Single
  • 0 MP,
Specifications
  • 2.1 MP
Unknown
Performance

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

Performance — specifications for Galaxy Alpha, HD2.
SpecificationGalaxy AlphaHD2
Processor CPU
  • Octa-core (4x1.8 GHz Cortex-A15 & 4x1.3 GHz Cortex-A7)
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Mali-T628 MP6
  • Adreno 200
Antutu 7 score *
  • 50125
Unknown
GeekBench 4 Single Core *
  • 782
Unknown
GeekBench 4 Multi-Core *
  • 2457
Unknown
GeekBench 4 RenderScript *
  • 1804
Unknown
General specs
General specs — specifications for Galaxy Alpha, HD2.
SpecificationGalaxy AlphaHD2
Release date
  • 2014
  • August
  • 2010
  • January
Colors
  • Charcoal Black
  • Sleek Silver
  • Dazzling White
  • Frosted Gold
  • Scuba Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 390 EUR
  • 230 EUR
Battery life
  • Stand by time- Up to 350 h (3G) Talking time- Up to 11 h (3G) Music play - Up to 37 h
  • Stand by time- Up to 480 h Talking time- Up to 6 h
Body build
  • aluminum frame
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy Alpha, HD2.
SpecificationGalaxy AlphaHD2
SIM card
  • Nano-SIM
  • Mini-SIM
Network
  • 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
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
  • HSPA 7.2/2 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS; NaviPanel
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • LE
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 1.18 W/kg (head) 0.75 W/kg (body) SAR EU - 0.37 W/kg (head) 0.51 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Galaxy Alpha, HD2.
SpecificationGalaxy AlphaHD2
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Galaxy Alpha, HD2.
SpecificationGalaxy AlphaHD2
Dop
  • 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
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/WMA/eAAC+ player -MP4/WMV/H.264 player -Pocket Office -HTC Peep
  • HTC Footprints -T-mobile services: MobiTV
  • BLOCKBUSTER
  • Barnes & Nobl
  • Gogo Inflight Internet -Transformers & Transformers 2 movies preloaded -Voice memo -Predictive text input