BlackBerry Z10 vs Celkon A355

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

    A355: 40 g lighter

    Z10:
    137.5 g
    A355:
    97.5 g
  • Width

    A355: 2.3 mm narrower

    Z10:
    65.6 mm
    A355:
    63.3 mm
  • Screen diagonal

    A355: 0.7 in smaller diagonal

    Z10:
    4.2 in
    A355:
    3.5 in
  • Chipset

    Z10:
    Qualcomm MSM8960 Snapdragon S4 Plus
    A355:
    Spreadtrum 7715
  • Depth

    Z10: 1.2 mm thinner

    Z10:
    9 mm
    A355:
    10.2 mm
  • Height

    A355: 14.7 mm shorter

    Z10:
    130 mm
    A355:
    115.3 mm

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. Z10

    Height:
    130 mm +14.7 mm versus A355
    Width:
    65.6 mm +2.3 mm versus A355
    Depth:
    9 mm
  2. 2. A355

    Height:
    115.3 mm
    Width:
    63.3 mm
    Depth:
    10.2 mm +1.2 mm versus Z10

Weight

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

  1. 1. Z10

    137.5 g

    +40 g versus A355

  2. 2. A355

    97.5 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. Z10

    Screen diagonal:
    4.2 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    50.2 cm²
  2. 2. A355

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

Z10 has approximately 37.6% more rectangular screen area than A355.

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 Z10, A355, compared at the same storage capacity.
StorageZ10A355
16 GB 2 GB RAM Unknown
A355: 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. Z10

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated slot)

2. A355

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. Z10

    1800 mAh

    +600 mAh versus A355

  2. 2. A355

    1200 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. Z102. A355

Everyday essentials
Everyday essentials — specifications for Z10, A355.
SpecificationZ10A355
Dimensions (HxWxD)
  • 130 Х 65.6 Х 9 mm
  • 115.3 Х 63.3 Х 10.2 mm
Weight
  • 137.5 g
  • 97.5 g
Screen size
  • 4.2" inch
  • 3.5" inch
Screen resolution
  • 768 x 1280 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Li-Ion
Operating system OS
  • BlackBerry OS 10
  • upgradable to 10.3.1
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM8960 Snapdragon S4 Plus
  • Spreadtrum 7715
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z10, A355.
SpecificationZ10A355
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 50.2 cm2
  • 36.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 58.9%
  • 50.0%
PPI /points per inch/
  • 355 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Z10, A355.
SpecificationZ10A355
Rear camera, main
  • 8 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 8 MP
  • f/2.2
  • 31mm (standard)
  • AF
  • 2 MP
Functions
  • LED flash
  • HDR
  • panorama
  • Dual-LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
  • VGA
Performance

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

Performance — specifications for Z10, A355.
SpecificationZ10A355
Processor CPU
  • Dual-core 1.5 GHz Krait
  • 1.0 GHz
Graphics processor GPU
  • Adreno 225
  • Mali-400
Antutu 7 score *
  • 3567
Unknown
GeekBench 4 Single Core *
  • 402
Unknown
GeekBench 4 Multi-Core *
  • 728
Unknown
General specs
General specs — specifications for Z10, A355.
SpecificationZ10A355
Release date
  • 2013
  • January
  • 2015
  • May
Colors
  • Black
  • White
  • Light Blue
  • Dart Blue
  • Red
  • Yellow
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
Unknown
Battery life
  • Stand by time- Up to 312 h Talking time- Up to 10 h
Unknown
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Z10, A355.
SpecificationZ10A355
SIM card
  • Micro-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions CDMA 800 / 1900 - STL100-4 -3G - HSDPA 850 / 900 / 1900 / 2100 - STL100-1 HSDPA 850 / 900 / 2100 - STL100-2 HSDPA 850 / 1700 / 1900 / 2100 / 800 - STL100-3HSDPA 900 / 2100 - STL100-4 HSDPA 850 / 1900 / 2100 / 800 - STL100-3 RFF91LW -4G - LTE band 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - STL100-2 LTE 700 / 850 / 1700 / 1900 - STL100-3 LTE 700 / 850 / 1700 / 1900 - STL100-3 RFF91LW LTE band 13(700) - STL100-4
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE
  • EV-DO Rev.A 3.1 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 2.0
Harmful irradiation
  • SAR - 1.07 W/kg (head) 1.07 W/kg (body) SAR EU - 0.87 W/kg (head) 0.99 W/kg (body)
  • SAR EU - 0.49 W/kg (head) 0.84 W/kg (body)
Music and Audio
Music and Audio — specifications for Z10, A355.
SpecificationZ10A355
Radio
  • No
  • FM radio
Other features
Other features — specifications for Z10, A355.
SpecificationZ10A355
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - HDMI port
  • Sensors Accelerometer