A1 Alpha vs Samsung Galaxy S2

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.

  • Display technology

    OLED versus LCD

    Alpha:
    LCD
    Galaxy S2:
    OLED
  • Weight

    Galaxy S2: 34 g lighter

    Alpha:
    150 g
    Galaxy S2:
    116 g
  • Width

    Galaxy S2: 9.7 mm narrower

    Alpha:
    75.8 mm
    Galaxy S2:
    66.1 mm
  • Screen diagonal

    Galaxy S2: 1.96 in smaller diagonal

    Alpha:
    6.26 in
    Galaxy S2:
    4.3 in
  • Memory variants

    At 32 GB storage

    Alpha:
    2 GB RAM
    Galaxy S2:
    1 GB RAM
  • Chipset

    Alpha:
    Unisoc SC9863A (28nm)
    Galaxy S2:
    Exynos 4210 Dual

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. Alpha

    Height:
    151.7 mm +26.4 mm versus Galaxy S2
    Width:
    75.8 mm +9.7 mm versus Galaxy S2
    Depth:
    8.1 mm
  2. 2. Galaxy S2

    Height:
    125.3 mm
    Width:
    66.1 mm
    Depth:
    8.5 mm

Weight

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

  1. 1. Alpha

    150 g

    +34 g versus Galaxy S2

  2. 2. Galaxy S2

    116 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. Alpha

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²
  2. 2. Galaxy S2

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

Alpha has approximately 85.9% more rectangular screen area than Galaxy S2.

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 Alpha, Galaxy S2, compared at the same storage capacity.
StorageAlphaGalaxy S2
16 GB Not recorded 1 GB RAM
32 GB Recorded for all phones 2 GB RAM 1 GB RAM
64 GB 3 GB RAM Not recorded

Practical features

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

1. Alpha

NFC:
See details Yes (64/3GB model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM slot)

2. Galaxy S2

NFC:
See details Optional
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Alpha

    3200 mAh

    +1550 mAh versus Galaxy S2

  2. 2. Galaxy S2

    1650 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. Alpha2. Galaxy S2

Everyday essentials
Everyday essentials — specifications for Alpha, Galaxy S2.
SpecificationAlphaGalaxy S2
Dimensions (HxWxD)
  • 151.7 Х 75.8 Х 8.1 mm
  • 125.3 Х 66.1 Х 8.5 mm
Weight
  • 150 g
  • 116 g
Technology
  • IPS LCD
  • Super AMOLED Plus
Screen size
  • 6.26" inch
  • 4.3" inch
Screen resolution
  • 720 x 1520 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 64GB 3GB RAM
  • 16/32 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 1650 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 2.3.4 (Gingerbread)
  • upgradable to 4.1 (Jelly Bean); TouchWiz UI 4
Chipset
  • Unisoc SC9863A (28nm)
  • Exynos 4210 Dual
NFC
  • Yes (64/3GB model only)
  • Optional
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Alpha, Galaxy S2.
SpecificationAlphaGalaxy S2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.8 cm2
  • 52.6 cm2
Screen format
  • 19:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 82.1%
  • 63.5%
PPI /points per inch/
  • 269 PPI
  • 217 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Alpha, Galaxy S2.
SpecificationAlphaGalaxy S2
Rear camera, main
  • 13 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 8 MP
  • f/2.6
  • 1/3.2''
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 2 MP
Performance

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

Performance — specifications for Alpha, Galaxy S2.
SpecificationAlphaGalaxy S2
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • Dual-core 1.2 GHz Cortex-A9
Graphics processor GPU
  • IMG8322
  • Mali-400MP4
Antutu 7 score * Unknown
  • 9100
GeekBench 4 Single Core * Unknown
  • 415
GeekBench 4 Multi-Core * Unknown
  • 639
GeekBench 4 RenderScript * Unknown
  • 346
General specs
General specs — specifications for Alpha, Galaxy S2.
SpecificationAlphaGalaxy S2
Release date
  • 2019
  • August
  • 2011
  • February. Released 2011
  • April
Colors
  • Black
  • Green
  • Black
  • White
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 170 EUR
Battery life Unknown
  • Stand by time- Up to 710 h (2G) / Up to 610 h (3G) Talking time- Up to 18 h 20 min (2G) / Up to 8 h 40 min (3G)
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Alpha, Galaxy S2.
SpecificationAlphaGalaxy S2
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • 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)
  • 38(2600)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0 (MHL TV-out)
  • USB Host
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 3.0
  • A2DP
  • aptX
Harmful irradiation Unknown
  • SAR - 0.16 W/kg (head) 0.96 W/kg (body) SAR EU - 0.34 W/kg (head)
Music and Audio
Music and Audio — specifications for Alpha, Galaxy S2.
SpecificationAlphaGalaxy S2
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Alpha, Galaxy S2.
SpecificationAlphaGalaxy S2
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass