BLU Studio X8 HD vs Karbonn A15

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.

  • Screen diagonal

    A15: 1 in smaller diagonal

    Studio X8 HD:
    5 in
    A15:
    4 in
  • Release year

    Studio X8 HD:
    2016
    A15:
    2012

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. Studio X8 HD

    Height:
    146 mm
    Width:
    73.6 mm
    Depth:
    9.9 mm
    Weight:
    144 g
  2. 2. A15

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

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. Studio X8 HD

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. A15

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Studio X8 HD has approximately 51.3% more rectangular screen area than A15.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Studio X8 HD: Original memory entry

4 GB · 512 MB RAM

A15: Original memory entry

4 GB (2.5 GB user available) · 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. Studio X8 HD

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

2. A15

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. Studio X8 HD

    2000 mAh

    +580 mAh versus A15

  2. 2. A15

    1420 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. Studio X8 HD2. A15

Everyday essentials
Everyday essentials — specifications for Studio X8 HD, A15.
SpecificationStudio X8 HDA15
Dimensions (HxWxD)
  • 146 Х 73.6 Х 9.9 mm
  • Х Х mm
Weight
  • 144 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 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 (2.5 GB user available)
  • 512 MB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 1420 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 4.0.4 (Ice Cream Sandwich)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Studio X8 HD, A15.
SpecificationStudio X8 HDA15
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 68.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 64.1%
Unknown
PPI /points per inch/
  • 294 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Studio X8 HD, A15.
SpecificationStudio X8 HDA15
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
Unknown
Performance

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

Performance — specifications for Studio X8 HD, A15.
SpecificationStudio X8 HDA15
Processor CPU
  • Octa-core 1.4 GHz Cortex-A7
  • 1.0 GHz
Graphics processor GPU
  • Mali-450
Unknown
GeekBench 4 Single Core *
  • 364
Unknown
GeekBench 4 Multi-Core *
  • 1981
Unknown
General specs
General specs — specifications for Studio X8 HD, A15.
SpecificationStudio X8 HDA15
Release date
  • 2016
  • May
  • 2012
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 80 EUR
Battery life
  • Stand by time- Up to 450 h Talking time- Up to 58 h
  • Stand by time- Up to 150 h
Communication and Connectivity
Communication and Connectivity — specifications for Studio X8 HD, A15.
SpecificationStudio X8 HDA15
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed Unknown
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.0
Harmful irradiation Unknown
  • SAR - 0.59 W/kg (head)
Music and Audio
Music and Audio — specifications for Studio X8 HD, A15.
SpecificationStudio X8 HDA15
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Studio X8 HD, A15.
SpecificationStudio X8 HDA15
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer