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A1 Alpha vs Samsung i550

Compare recorded specifications, size and practical differences.

A1 Alpha

A1 Alpha

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Samsung i550

Samsung i550

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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.

  • Weighti550: 41 g lighteri550: 109 g · Alpha: 150 g
  • Widthi550: 22.8 mm narroweri550: 53 mm · Alpha: 75.8 mm
  • Screen diagonali550: 3.66 in smaller diagonali550: 2.6 in · Alpha: 6.26 in
  • ChipsetUnisoc SC9863A (28nm) / TI OMAP 2430Alpha: Unisoc SC9863A (28nm) · i550: TI OMAP 2430
  • Rear camera layoutDual / SingleAlpha: Dual · i550: Single
  • DepthAlpha: 5.7 mm thinnerAlpha: 8.1 mm · i550: 13.8 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.

Front
Alpha: 151.7 × 75.8 mm 1 i550: 115 × 53 mm 2
Side
Alpha: 151.7 × 8.1 mm 1 i550: 115 × 13.8 mm 2
  1. 1. Alpha
    Height
    151.7 mm+36.7 mm versus i550
    Width
    75.8 mm+22.8 mm versus i550
    Depth
    8.1 mm
    Weight
    150 g
  2. 2. i550
    Height
    115 mm
    Width
    53 mm
    Depth
    13.8 mm+5.7 mm versus Alpha
    Weight
    109 g
Weight

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

  1. 1. Alpha150 g

    +41 g versus i550

  2. 2. i550109 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.

Screen size
Alpha: 6.26 in, 19:9, About 97.8 cm² rectangular area 1 i550: 2.6 in, 4:3, About 20.9 cm² rectangular area 2
  1. 1. Alpha 6.26 in · 19:9 About 97.8 cm² rectangular area
  2. 2. i550 2.6 in · 4:3 About 20.9 cm² rectangular area

Alpha has approximately 367.2% more rectangular screen area than i550.

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 by storage capacity and phone
StorageAlphai550
32 GB 2 GB RAM Unknown
64 GB 3 GB RAM Unknown
i550: Original memory entry

150 MB

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. i550

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSD (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

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

  1. 1. Alpha3200 mAh

    +2000 mAh versus i550

  2. 2. i5501200 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. i550

Everyday essentials
Everyday essentials
SpecificationAlphai550
Dimensions (HxWxD)
  • 151.7 Х 75.8 Х 8.1 mm
  • 115 Х 53 Х 13.8 mm
Weight
  • 150 g
  • 109 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.26" inch
  • 2.6" inch
Screen resolution
  • 720 x 1520 px
  • 240 x 320 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 64GB 3GB RAM
  • 150 MB
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Unisoc SC9863A (28nm)
  • TI OMAP 2430
NFC
  • Yes (64/3GB model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationAlphai550
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 97.8 cm2
  • 20.9 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 82.1%
  • 34.3%
PPI /points per inch/
  • 269 PPI
  • 154 PPI
Camera and Video
Camera and Video
SpecificationAlphai550
Rear camera, main
  • 13 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 3.15 MP
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • VGA videocall camera
Performance
Performance
SpecificationAlphai550
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • 330 MHz ARM 1136
Graphics processor GPU
  • IMG8322
  • PowerVR MBX
General specs
General specs
SpecificationAlphai550
Release date
  • 2019
  • August
  • 2007
  • August
Colors
  • Black
  • Green
  • Black
  • Silver
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 130 EUR
Battery life Unknown
  • Stand by time- Up to 360 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity
SpecificationAlphai550
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 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g (Samsung i550w only)
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.32 W/kg (head) 0.41 W/kg (body) SAR EU - 0.72 W/kg (head)
Music and Audio
Music and Audio
SpecificationAlphai550
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features
SpecificationAlphai550
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Organizer -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) - Trackball - Also version Samsung i550w with WLAN

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