BLU Tank 4.5 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.

  • Chipset

    Tank 4.5:
    Mediatek MT6577 (40 nm)
    Obsidian:
    Mediatek MT6735M (28 nm)
  • Depth

    Tank 4.5: 0.5 mm thinner

    Tank 4.5:
    9.7 mm
    Obsidian:
    10.2 mm
  • Height

    Tank 4.5: 3.4 mm shorter

    Tank 4.5:
    134 mm
    Obsidian:
    137.4 mm
  • Release year

    Tank 4.5:
    2013
    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. Tank 4.5

    Height:
    134 mm
    Width:
    68.9 mm
    Depth:
    9.7 mm
  2. 2. Obsidian

    Height:
    137.4 mm +3.4 mm versus Tank 4.5
    Width:
    68.6 mm
    Depth:
    10.2 mm +0.5 mm versus Tank 4.5

Weight

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

  1. 1. Tank 4.5

    136 g

  2. 2. Obsidian

    137.5 g

    +1.5 g versus Tank 4.5

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. Tank 4.5

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

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

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 Tank 4.5, Obsidian, compared at the same storage capacity.
StorageTank 4.5Obsidian
4 GB Unknown 1 GB RAM
Tank 4.5: Original memory entry

4 GB · 512 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. Tank 4.5

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. Tank 4.5

    1760 mAh

  2. 2. Obsidian

    1800 mAh

    +40 mAh versus Tank 4.5

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. Tank 4.52. Obsidian

Everyday essentials
Everyday essentials — specifications for Tank 4.5, Obsidian.
SpecificationTank 4.5Obsidian
Dimensions (HxWxD)
  • 134 Х 68.9 Х 9.7 mm
  • 137.4 Х 68.6 Х 10.2 mm
Weight
  • 136 g
  • 137.5 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 4.5" inch
Screen resolution
  • 540 x 960 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1760 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1 (Jelly Bean)
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6577 (40 nm)
  • Mediatek MT6735M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Tank 4.5, Obsidian.
SpecificationTank 4.5Obsidian
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 60.5%
  • 59.2%
PPI /points per inch/
  • 245 PPI
  • 218 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for Tank 4.5, Obsidian.
SpecificationTank 4.5Obsidian
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • 480p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • 2 MP
Performance
Performance — specifications for Tank 4.5, Obsidian.
SpecificationTank 4.5Obsidian
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU
  • PowerVR SGX531u
  • Mali-T720MP2
General specs
General specs — specifications for Tank 4.5, Obsidian.
SpecificationTank 4.5Obsidian
Release date
  • 2013
  • February
  • 2015
  • August
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 130 EUR
Battery life
  • Stand by time- Up to 720 h (2G) / Up to 680 h (3G) Talking time- Up to 22 h (2G) / Up to 15 h (3G)
  • Stand by time- Up to 252 h (3G) Talking time- Up to 6 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Tank 4.5, Obsidian.
SpecificationTank 4.5Obsidian
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • 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 7.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • 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
Music and Audio
Music and Audio — specifications for Tank 4.5, Obsidian.
SpecificationTank 4.5Obsidian
Radio
  • Stereo FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Tank 4.5, Obsidian.
SpecificationTank 4.5Obsidian
Dop
  • IP67 dust/water resistant (up to 1m for 30 mins) W100 Single SIM W110 Dual SIM
  • Sensors Accelerometer