Samsung Galaxy 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.

  • Screen diagonal

    Galaxy S2: 0.4 in smaller diagonal

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

    At 32 GB storage

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

    Galaxy Alpha:
    Exynos 5430 Octa (20 nm)
    Galaxy S2:
    Exynos 4210 Dual
  • Depth

    Galaxy Alpha: 1.8 mm thinner

    Galaxy Alpha:
    6.7 mm
    Galaxy S2:
    8.5 mm
  • Height

    Galaxy S2: 7.1 mm shorter

    Galaxy Alpha:
    132.4 mm
    Galaxy S2:
    125.3 mm
  • Release year

    Galaxy Alpha:
    2014
    Galaxy S2:
    2011

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 +7.1 mm versus Galaxy S2
    Width:
    65.5 mm
    Depth:
    6.7 mm
  2. 2. Galaxy S2

    Height:
    125.3 mm
    Width:
    66.1 mm
    Depth:
    8.5 mm +1.8 mm versus Galaxy Alpha

Weight

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

  1. 1. Galaxy Alpha

    115 g

  2. 2. Galaxy S2

    116 g

    +1 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. Galaxy S2

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

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. 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. Galaxy Alpha

    1860 mAh

    +210 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. Galaxy Alpha2. Galaxy S2

Everyday essentials
Everyday essentials — specifications for Galaxy Alpha, Galaxy S2.
SpecificationGalaxy AlphaGalaxy S2
Dimensions (HxWxD)
  • 132.4 Х 65.5 Х 6.7 mm
  • 125.3 Х 66.1 Х 8.5 mm
Weight
  • 115 g
  • 116 g
Technology
  • Super AMOLED
  • Super AMOLED Plus
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
  • 16/32 GB
  • 1 GB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1860 mAh
  • Removable Li-Ion
  • 1650 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.4 (KitKat)
  • upgradable to 5.0.2 (Lollipop)
  • Android 2.3.4 (Gingerbread)
  • upgradable to 4.1 (Jelly Bean); TouchWiz UI 4
Chipset
  • Exynos 5430 Octa (20 nm)
  • Exynos 4210 Dual
NFC
  • Yes
  • Optional
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy Alpha, Galaxy S2.
SpecificationGalaxy AlphaGalaxy S2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 52.6 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 70.2%
  • 63.5%
PPI /points per inch/
  • 312 PPI
  • 217 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Galaxy Alpha, Galaxy S2.
SpecificationGalaxy AlphaGalaxy S2
Rear camera, main
  • 12 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 12 MP
  • f/2.2
  • 31mm (standard)
  • AF
  • 8 MP
  • f/2.6
  • 1/3.2''
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 2160p@30fps
  • 1080p@60fps
  • 720p@120fps
  • 1080p@30fps
Front camera, selfie
  • 2.1 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 2.1 MP
  • 2 MP
Performance

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

Performance — specifications for Galaxy Alpha, Galaxy S2.
SpecificationGalaxy AlphaGalaxy S2
Processor CPU
  • Octa-core (4x1.8 GHz Cortex-A15 & 4x1.3 GHz Cortex-A7)
  • Dual-core 1.2 GHz Cortex-A9
Graphics processor GPU
  • Mali-T628 MP6
  • Mali-400MP4
Antutu 7 score *
  • 50125
  • 9100
GeekBench 4 Single Core *
  • 782
  • 415
GeekBench 4 Multi-Core *
  • 2457
  • 639
GeekBench 4 RenderScript *
  • 1804
  • 346
General specs
General specs — specifications for Galaxy Alpha, Galaxy S2.
SpecificationGalaxy AlphaGalaxy S2
Release date
  • 2014
  • August
  • 2011
  • February. Released 2011
  • April
Colors
  • Charcoal Black
  • Sleek Silver
  • Dazzling White
  • Frosted Gold
  • Scuba Blue
  • Black
  • White
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 390 EUR
  • 170 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 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
  • aluminum frame
  • plastic back
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy Alpha, Galaxy S2.
SpecificationGalaxy AlphaGalaxy S2
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 21.1/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • 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
  • microUSB 2.0 (MHL TV-out)
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • LE
  • 3.0
  • A2DP
  • aptX
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)
  • 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 Galaxy Alpha, Galaxy S2.
SpecificationGalaxy AlphaGalaxy S2
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy Alpha, Galaxy S2.
SpecificationGalaxy AlphaGalaxy S2
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
  • gyro
  • proximity
  • compass