Samsung Gravity SMART 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

    Gravity SMART: 7.5 g lighter

    Gravity SMART:
    130 g
    Obsidian:
    137.5 g
  • Width

    Gravity SMART: 9.6 mm narrower

    Gravity SMART:
    59 mm
    Obsidian:
    68.6 mm
  • Screen diagonal

    Gravity SMART: 1.3 in smaller diagonal

    Gravity SMART:
    3.2 in
    Obsidian:
    4.5 in
  • Depth

    Obsidian: 3.8 mm thinner

    Gravity SMART:
    14 mm
    Obsidian:
    10.2 mm
  • Height

    Gravity SMART: 23.4 mm shorter

    Gravity SMART:
    114 mm
    Obsidian:
    137.4 mm
  • Release year

    Gravity SMART:
    2011
    Obsidian:
    2015

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. Gravity SMART

    Height:
    114 mm
    Width:
    59 mm
    Depth:
    14 mm +3.8 mm versus Obsidian
  2. 2. Obsidian

    Height:
    137.4 mm +23.4 mm versus Gravity SMART
    Width:
    68.6 mm +9.6 mm versus Gravity SMART
    Depth:
    10.2 mm

Weight

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

  1. 1. Gravity SMART

    130 g

  2. 2. Obsidian

    137.5 g

    +7.5 g versus Gravity SMART

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. Gravity SMART

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 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 83.1% more rectangular screen area than Gravity SMART.

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 Gravity SMART, Obsidian, compared at the same storage capacity.
StorageGravity SMARTObsidian
4 GB Unknown 1 GB RAM
Gravity SMART: Original memory entry

150 MB · 270 MB 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. Gravity SMART

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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. Gravity SMART

    1500 mAh

  2. 2. Obsidian

    1800 mAh

    +300 mAh versus Gravity SMART

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. Gravity SMART2. Obsidian

Everyday essentials
Everyday essentials — specifications for Gravity SMART, Obsidian.
SpecificationGravity SMARTObsidian
Dimensions (HxWxD)
  • 114 Х 59 Х 14 mm
  • 137.4 Х 68.6 Х 10.2 mm
Weight
  • 130 g
  • 137.5 g
Technology
  • TFT
  • TFT
Screen size
  • 3.2" inch
  • 4.5" inch
Screen resolution
  • 320 x 480 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
  • 270 MB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Mediatek MT6735M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Gravity SMART, Obsidian.
SpecificationGravity SMARTObsidian
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 30.5 cm2
  • 55.8 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 45.3%
  • 59.2%
PPI /points per inch/
  • 180 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Gravity SMART, Obsidian.
SpecificationGravity SMARTObsidian
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • 320p@14fps
  • Yes
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance
Performance — specifications for Gravity SMART, Obsidian.
SpecificationGravity SMARTObsidian
Processor CPU
  • 800 MHz ARMv6
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T720MP2
General specs
General specs — specifications for Gravity SMART, Obsidian.
SpecificationGravity SMARTObsidian
Release date
  • 2011
  • June
  • 2015
  • August
Colors
  • Black/Red
  • Black/Green
  • Lunar Grey
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 130 EUR
Battery life
  • Stand by time- Up to 364 h Talking time- Up to 5 h 30 min
  • Stand by time- Up to 252 h (3G) Talking time- Up to 6 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Gravity SMART, Obsidian.
SpecificationGravity SMARTObsidian
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 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
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.47 W/kg (head) 1.05 W/kg (body) SAR EU - 0.19 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Gravity SMART, Obsidian.
SpecificationGravity SMARTObsidian
Radio
  • No
  • FM radio
Other features
Other features — specifications for Gravity SMART, Obsidian.
SpecificationGravity SMARTObsidian
Dop
  • Sensors Accelerometer
  • proximity - MP4/H.264 player -MP3/WAV/AAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo -Predictive text input (Swype) - For T-Mobile. Also known as Samsung Gravity Touch 2
  • Samsung Smart
  • Samsung GT2
  • Samsung SGH-T589
  • Samsung Galaxy Q
  • Sensors Accelerometer