BlackBerry Curve 8530 vs Micromax Bolt D303

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

    Curve 8530: 1.54 in smaller diagonal

    Curve 8530:
    2.46 in
    Bolt D303:
    4 in
  • Release year

    Curve 8530:
    2009
    Bolt D303:
    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. Curve 8530

    Height:
    109 mm
    Width:
    60 mm
    Depth:
    13.9 mm
    Weight:
    106 g
  2. 2. Bolt D303

    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. Curve 8530

    Screen diagonal:
    2.46 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    18.7 cm²
  2. 2. Bolt D303

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

Bolt D303 has approximately 143% more rectangular screen area than Curve 8530.

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.

Curve 8530: Original memory entry

256 MB ROM

Bolt D303: 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. Curve 8530

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

2. Bolt D303

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. Curve 8530

    1150 mAh

  2. 2. Bolt D303

    1300 mAh

    +150 mAh versus Curve 8530

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. Curve 85302. Bolt D303

Everyday essentials
Everyday essentials — specifications for Curve 8530, Bolt D303.
SpecificationCurve 8530Bolt D303
Dimensions (HxWxD)
  • 109 Х 60 Х 13.9 mm
  • Х Х mm
Weight
  • 106 g
  • 0 g
Technology
  • TFT
Unknown
Screen size
  • 2.46" inch
  • 4" inch
Screen resolution
  • 320 x 240 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB ROM
  • 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.
  • 1150 mAh
  • Removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • BlackBerry OS 5.0
  • Android 4.4.2 (KitKat)
Chipset Unknown
  • Mediatek MT6572M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Curve 8530, Bolt D303.
SpecificationCurve 8530Bolt D303
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 18.7 cm2
  • 45.5 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 28.7%
Unknown
PPI /points per inch/
  • 163 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Curve 8530, Bolt D303.
SpecificationCurve 8530Bolt D303
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • 480p@30fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for Curve 8530, Bolt D303.
SpecificationCurve 8530Bolt D303
Processor CPU
  • 528 MHz
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for Curve 8530, Bolt D303.
SpecificationCurve 8530Bolt D303
Release date
  • 2009
  • November
  • 2015
  • July
Colors
  • Black
  • Purple
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 60 EUR
Unknown
Battery life
  • Stand by time- Up to 252 h Talking time- Up to 4 h 30 min
  • Stand by time- Up to 245 h (3G) Talking time- Up to 4 h 40 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Curve 8530, Bolt D303.
SpecificationCurve 8530Bolt D303
SIM card
  • Mini-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - CDMA 800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • EV-DO Rev.0
  • 153.2 Kbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • No
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 1.24 W/kg (head) 0.66 W/kg (body)
  • SAR - 0.39 W/kg (head) 0.64 W/kg (body)
Music and Audio
Music and Audio — specifications for Curve 8530, Bolt D303.
SpecificationCurve 8530Bolt D303
Radio
  • No
  • FM radio
Others
  • Dedicated music keys
Unknown
Other features
Other features — specifications for Curve 8530, Bolt D303.
SpecificationCurve 8530Bolt D303
Dop
  • BlackBerry maps -MP3/eAAC+/WMA/WAV player -MP4/H.264/WMV player -Organizer -Document viewer -Voice memo/dial/commands -Predictive text input Optical trackpad
  • Sensors Accelerometer