Samsung Galaxy Alpha vs Samsung i640

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 33 g lighter

    Galaxy Alpha:
    115 g
    i640:
    148 g
  • Width

    i640: 4.5 mm narrower

    Galaxy Alpha:
    65.5 mm
    i640:
    61 mm
  • Screen diagonal

    i640: 2.3 in smaller diagonal

    Galaxy Alpha:
    4.7 in
    i640:
    2.4 in
  • Depth

    Galaxy Alpha: 10.2 mm thinner

    Galaxy Alpha:
    6.7 mm
    i640:
    16.9 mm
  • Height

    i640: 38 mm shorter

    Galaxy Alpha:
    132.4 mm
    i640:
    94.4 mm
  • Release year

    Galaxy Alpha:
    2014
    i640:
    2008

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 +38 mm versus i640
    Width:
    65.5 mm +4.5 mm versus i640
    Depth:
    6.7 mm
  2. 2. i640

    Height:
    94.4 mm
    Width:
    61 mm
    Depth:
    16.9 mm +10.2 mm versus Galaxy Alpha

Weight

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

  1. 1. Galaxy Alpha

    115 g

  2. 2. i640

    148 g

    +33 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. i640

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²

Galaxy Alpha has approximately 241.4% more rectangular screen area than i640.

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, i640, compared at the same storage capacity.
StorageGalaxy Alphai640
32 GB 2 GB RAM Unknown
i640: Original memory entry

64 MB RAM · 128 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. Galaxy Alpha

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

2. i640

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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

    +860 mAh versus i640

  2. 2. i640

    1000 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. i640

Everyday essentials
Everyday essentials — specifications for Galaxy Alpha, i640.
SpecificationGalaxy Alphai640
Dimensions (HxWxD)
  • 132.4 Х 65.5 Х 6.7 mm
  • 94.4 Х 61 Х 16.9 mm
Weight
  • 115 g
  • 148 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 4.7" inch
  • 2.4" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 2 GB RAM
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • No
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1860 mAh
  • Removable Li-Ion
  • 1000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.4 (KitKat)
  • upgradable to 5.0.2 (Lollipop)
  • Microsoft Windows Mobile 6.0 Standard
Chipset
  • Exynos 5430 Octa (20 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Galaxy Alpha, i640.
SpecificationGalaxy Alphai640
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 60.9 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 70.2%
  • 31.0%
PPI /points per inch/
  • 312 PPI
  • 167 PPI
Screen protection
  • Corning Gorilla Glass 4
Unknown
Camera and Video
Camera and Video — specifications for Galaxy Alpha, i640.
SpecificationGalaxy Alphai640
Rear camera, main
  • 12 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 12 MP
  • f/2.2
  • 31mm (standard)
  • AF
  • 2 MP
Functions
  • LED flash
  • panorama
  • HDR
Unknown
Video
  • 2160p@30fps
  • 1080p@60fps
  • 720p@120fps
  • Yes
Front camera, selfie
  • 2.1 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2.1 MP
  • VGA videocall camera
Performance

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

Performance — specifications for Galaxy Alpha, i640.
SpecificationGalaxy Alphai640
Processor CPU
  • Octa-core (4x1.8 GHz Cortex-A15 & 4x1.3 GHz Cortex-A7)
  • 32-bit Intel XScale PXA270 416 MHz
Graphics processor GPU
  • Mali-T628 MP6
Unknown
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, i640.
SpecificationGalaxy Alphai640
Release date
  • 2014
  • August
  • 2008
  • February
Colors
  • Charcoal Black
  • Sleek Silver
  • Dazzling White
  • Frosted Gold
  • Scuba Blue
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 390 EUR
  • 150 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 250 h Talking time- Up to 6 h
Body build
  • aluminum frame
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy Alpha, i640.
SpecificationGalaxy Alphai640
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 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • microUSB 2.0
  • 1.1
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • LE
  • 2.0
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 - 1.18 W/kg (head) 1.12 W/kg (body)
Music and Audio
Music and Audio — specifications for Galaxy Alpha, i640.
SpecificationGalaxy Alphai640
Radio
  • No
  • No
Others
  • Active noise cancellation with dedicated mic
  • Jog Dial
Other features
Other features — specifications for Galaxy Alpha, i640.
SpecificationGalaxy Alphai640
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
  • WMV/3GP/MP4 player -WMA/MP3/AAC+ player -Organizer -Pocket Office -Voice memo