BlackBerry Curve 8520 vs Celkon A359

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

    A359: 10.5 g lighter

    Curve 8520:
    106 g
    A359:
    95.5 g
  • Width

    Curve 8520: 2.3 mm narrower

    Curve 8520:
    60 mm
    A359:
    62.3 mm
  • Screen diagonal

    Curve 8520: 1.04 in smaller diagonal

    Curve 8520:
    2.46 in
    A359:
    3.5 in
  • Depth

    A359: 3.5 mm thinner

    Curve 8520:
    13.9 mm
    A359:
    10.4 mm
  • Height

    Curve 8520: 5.5 mm shorter

    Curve 8520:
    109 mm
    A359:
    114.5 mm
  • Release year

    Curve 8520:
    2009
    A359:
    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 8520

    Height:
    109 mm
    Width:
    60 mm
    Depth:
    13.9 mm +3.5 mm versus A359
  2. 2. A359

    Height:
    114.5 mm +5.5 mm versus Curve 8520
    Width:
    62.3 mm +2.3 mm versus Curve 8520
    Depth:
    10.4 mm

Weight

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

  1. 1. Curve 8520

    106 g

    +10.5 g versus A359

  2. 2. A359

    95.5 g

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 8520

    Screen diagonal:
    2.46 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    18.7 cm²
  2. 2. A359

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

A359 has approximately 94.6% more rectangular screen area than Curve 8520.

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 8520: Original memory entry

256 MB

A359: Original memory entry

512 MB · 256 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 8520

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

2. A359

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 8520

    1150 mAh

  2. 2. A359

    1200 mAh

    +50 mAh versus Curve 8520

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 85202. A359

Everyday essentials
Everyday essentials — specifications for Curve 8520, A359.
SpecificationCurve 8520A359
Dimensions (HxWxD)
  • 109 Х 60 Х 13.9 mm
  • 114.5 Х 62.3 Х 10.4 mm
Weight
  • 106 g
  • 95.5 g
Technology
  • TFT
Unknown
Screen size
  • 2.46" inch
  • 3.5" inch
Screen resolution
  • 320 x 240 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB
  • 512 MB
  • 256 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
  • 1200 mAh
  • Li-Ion
Operating system OS
  • BlackBerry OS 5.0
  • Android 4.4.2 (KitKat)
Chipset Unknown
  • Spreadtrum 7715
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Curve 8520, A359.
SpecificationCurve 8520A359
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 18.7 cm2
  • 36.5 cm2
Screen format
  • 4:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 28.7%
  • 51.1%
PPI /points per inch/
  • 163 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Curve 8520, A359.
SpecificationCurve 8520A359
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • 320p
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for Curve 8520, A359.
SpecificationCurve 8520A359
Processor CPU
  • 512 MHz
  • 1.0 GHz
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for Curve 8520, A359.
SpecificationCurve 8520A359
Release date
  • 2009
  • July
  • 2015
  • May
Colors
  • Black
  • Black
  • Red+Black
  • Light Blue
  • Dark Blue
  • Brown
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life
  • Stand by time- Up to 408 h Talking time- Up to 4 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Curve 8520, A359.
SpecificationCurve 8520A359
SIM card
  • Mini-SIM
  • Dual SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed Unknown
  • HSPA
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
GPS
  • No
  • Yes
USB
  • microUSB
  • microUSB
Bluetooth
  • 2.0
  • A2DP
  • 2.0
Harmful irradiation
  • SAR - 1.22 W/kg (head) 0.83 W/kg (body) SAR EU - 1.02 W/kg (head) 0.78 W/kg (body)
  • SAR EU - 0.49 W/kg (head) 0.84 W/kg (body)
Music and Audio
Music and Audio — specifications for Curve 8520, A359.
SpecificationCurve 8520A359
Radio
  • No
  • FM radio
Others
  • Dedicated music keys
Unknown
Other features
Other features — specifications for Curve 8520, A359.
SpecificationCurve 8520A359
Dop
  • MP3/eAAC+/WMA/WAV player -MP4/H.264/WMV player -Organizer -Voice memo/dial -Predictive text input Optical trackpad
  • Sensors Accelerometer