BlackBerry Bold 9790 vs Celkon A27

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

    Bold 9790: 2.18 in smaller diagonal

    Bold 9790:
    2.45 in
    A27:
    4.63 in
  • Release year

    Bold 9790:
    2011
    A27:
    2013

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. Bold 9790

    Height:
    110 mm
    Width:
    60 mm
    Depth:
    11.4 mm
    Weight:
    107 g
  2. 2. A27

    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. Bold 9790

    Screen diagonal:
    2.45 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    18.6 cm²
  2. 2. A27

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

A27 has approximately 217.9% more rectangular screen area than Bold 9790.

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.

Bold 9790: Original memory entry

8 GB · 768 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. Bold 9790

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

2. A27

NFC:
Unknown
Headphone jack:
Unknown
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. Bold 9790

    1230 mAh

  2. 2. A27

    1800 mAh

    +570 mAh versus Bold 9790

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. Bold 97902. A27

Everyday essentials
Everyday essentials — specifications for Bold 9790, A27.
SpecificationBold 9790A27
Dimensions (HxWxD)
  • 110 Х 60 Х 11.4 mm
  • Х Х mm
Weight
  • 107 g
  • 0 g
Technology
  • TFT
Unknown
Screen size
  • 2.45" inch
  • 4.63" inch
Screen resolution
  • 480 x 360 px
  • 480 x 853 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 768 MB RAM
Unknown
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1230 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Li-Ion
Operating system OS
  • BlackBerry OS 7.0
  • Android 4.0 (Ice Cream Sandwich)
NFC
  • Carrier dependent
Unknown
Headphone jack
  • Yes
Unknown
Display
Display — specifications for Bold 9790, A27.
SpecificationBold 9790A27
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 18.6 cm2
  • 59.1 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 28.2%
Unknown
PPI /points per inch/
  • 245 PPI
  • 211 PPI
Camera and Video
Camera and Video — specifications for Bold 9790, A27.
SpecificationBold 9790A27
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
Functions
  • LED flash
Unknown
Video
  • 480p
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Performance
Performance — specifications for Bold 9790, A27.
SpecificationBold 9790A27
Processor CPU
  • Marvel Tavor MG1 1.0 GHz
  • 1.0 GHz
General specs
General specs — specifications for Bold 9790, A27.
SpecificationBold 9790A27
Release date
  • 2011
  • November
  • 2013
  • February
Colors
  • Black
  • White
  • Blue
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 130 EUR
Battery life
  • Stand by time- Up to 432 h (2G) / Up to 408 h (3G) Talking time- Up to 5 h 10 min (2G) / Up to 5 h 20 min (3G) Music play - Up to 33 h
  • Stand by time- Up to 180 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Bold 9790, A27.
SpecificationBold 9790A27
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • Yes
Harmful irradiation
  • SAR - 1.35 W/kg (head) 0.81 W/kg (body) SAR EU - 1.56 W/kg (head) 0.84 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Bold 9790, A27.
SpecificationBold 9790A27
Radio
  • No
  • FM radio
Other features
Other features — specifications for Bold 9790, A27.
SpecificationBold 9790A27
Dop
  • Optical trackpad Also known as RIM BlackBerry Onyx III
  • RIM BlackBerry Bellagio
  • Sensors Accelerometer