Samsung i550 vs ZTE Obsidian

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

    i550: 28.5 g lighter

    i550:
    109 g
    Obsidian:
    137.5 g
  • Width

    i550: 15.6 mm narrower

    i550:
    53 mm
    Obsidian:
    68.6 mm
  • Screen diagonal

    i550: 1.9 in smaller diagonal

    i550:
    2.6 in
    Obsidian:
    4.5 in
  • Chipset

    i550:
    TI OMAP 2430
    Obsidian:
    Mediatek MT6735M (28 nm)
  • Depth

    Obsidian: 3.6 mm thinner

    i550:
    13.8 mm
    Obsidian:
    10.2 mm
  • Height

    i550: 22.4 mm shorter

    i550:
    115 mm
    Obsidian:
    137.4 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. i550

    Height:
    115 mm
    Width:
    53 mm
    Depth:
    13.8 mm +3.6 mm versus Obsidian
  2. 2. Obsidian

    Height:
    137.4 mm +22.4 mm versus i550
    Width:
    68.6 mm +15.6 mm versus i550
    Depth:
    10.2 mm

Weight

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

  1. 1. i550

    109 g

  2. 2. Obsidian

    137.5 g

    +28.5 g versus i550

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. i550

    Screen diagonal:
    2.6 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    20.9 cm²
  2. 2. Obsidian

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²

Obsidian has approximately 166.7% 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 for i550, Obsidian, compared at the same storage capacity.
Storagei550Obsidian
4 GB Unknown 1 GB RAM
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. i550

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

2. Obsidian

NFC:
Unknown
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. i550

    1200 mAh

  2. 2. Obsidian

    1800 mAh

    +600 mAh versus i550

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. i5502. Obsidian

Everyday essentials
Everyday essentials — specifications for i550, Obsidian.
Specificationi550Obsidian
Dimensions (HxWxD)
  • 115 Х 53 Х 13.8 mm
  • 137.4 Х 68.6 Х 10.2 mm
Weight
  • 109 g
  • 137.5 g
Technology
  • TFT
  • TFT
Screen size
  • 2.6" inch
  • 4.5" inch
Screen resolution
  • 240 x 320 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 150 MB
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Android 5.1 (Lollipop)
Chipset
  • TI OMAP 2430
  • Mediatek MT6735M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for i550, Obsidian.
Specificationi550Obsidian
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 20.9 cm2
  • 55.8 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 34.3%
  • 59.2%
PPI /points per inch/
  • 154 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for i550, Obsidian.
Specificationi550Obsidian
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA videocall camera
  • 2 MP
Performance
Performance — specifications for i550, Obsidian.
Specificationi550Obsidian
Processor CPU
  • 330 MHz ARM 1136
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU
  • PowerVR MBX
  • Mali-T720MP2
General specs
General specs — specifications for i550, Obsidian.
Specificationi550Obsidian
Release date
  • 2007
  • August
  • 2015
  • August
Colors
  • Black
  • Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 130 EUR
Battery life
  • Stand by time- Up to 360 h Talking time- Up to 8 h
  • Stand by time- Up to 252 h (3G) Talking time- Up to 6 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for i550, Obsidian.
Specificationi550Obsidian
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 12(700)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g (Samsung i550w only)
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.32 W/kg (head) 0.41 W/kg (body) SAR EU - 0.72 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for i550, Obsidian.
Specificationi550Obsidian
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for i550, Obsidian.
Specificationi550Obsidian
Dop
  • 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
  • Sensors Accelerometer