BLU Studio 5.3 vs Micromax Bolt D321

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

    Bolt D321: 0.3 in smaller diagonal

    Studio 5.3:
    5.3 in
    Bolt D321:
    5 in
  • Chipset

    Studio 5.3:
    Mediatek MT6573 (65 nm)
    Bolt D321:
    Mediatek MT6572 (28 nm)
  • Release year

    Studio 5.3:
    2011
    Bolt D321:
    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. Studio 5.3

    Height:
    150 mm
    Width:
    81 mm
    Depth:
    10.9 mm
    Weight:
    192 g
  2. 2. Bolt D321

    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 5.3

    Screen diagonal:
    5.3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    80 cm²
  2. 2. Bolt D321

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

Studio 5.3 has approximately 16% more rectangular screen area than Bolt D321.

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 5.3: Original memory entry

512 MB · 512 MB RAM

Bolt D321: 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. Studio 5.3

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

2. Bolt D321

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

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 5.3

    2500 mAh

    +700 mAh versus Bolt D321

  2. 2. Bolt D321

    1800 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 5.32. Bolt D321

Everyday essentials
Everyday essentials — specifications for Studio 5.3, Bolt D321.
SpecificationStudio 5.3Bolt D321
Dimensions (HxWxD)
  • 150 Х 81 Х 10.9 mm
  • Х Х mm
Weight
  • 192 g
  • 0 g
Technology
  • TFT
Unknown
Screen size
  • 5.3" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 512 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3 (Gingerbread)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6573 (65 nm)
  • Mediatek MT6572 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Studio 5.3, Bolt D321.
SpecificationStudio 5.3Bolt D321
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 80.0 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.8%
Unknown
PPI /points per inch/
  • 176 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for Studio 5.3, Bolt D321.
SpecificationStudio 5.3Bolt D321
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 Studio 5.3, Bolt D321.
SpecificationStudio 5.3Bolt D321
Processor CPU
  • 650 MHz Cortex-A9/ 800 MHz Cortex-A9
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • PowerVR SGX531
  • Mali-400
General specs
General specs — specifications for Studio 5.3, Bolt D321.
SpecificationStudio 5.3Bolt D321
Release date
  • 2011
  • December
  • 2015
  • February
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
Unknown
Battery life
  • Stand by time- Up to 700 h Talking time- Up to 8 h
  • Stand by time- Up to 300 h (3G) Talking time- Up to 7 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Studio 5.3, Bolt D321.
SpecificationStudio 5.3Bolt D321
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 GSM 850 / 900 / 1800 / 1900 - SIM 2 (D510 only)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • 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
  • 2.1
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.51 W/kg (head) 0.84 W/kg (body)
Music and Audio
Music and Audio — specifications for Studio 5.3, Bolt D321.
SpecificationStudio 5.3Bolt D321
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Studio 5.3, Bolt D321.
SpecificationStudio 5.3Bolt D321
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP3/AAC/WMA/WAV player -MP4/DivX/XviD/WMV/H.264 player -Organizer -Voice memo/dial -Predictive text input - D500 Single SIM D510 Dual SIM
  • Sensors Accelerometer
  • proximity