BLU Studio 5.3 S vs Celkon A20

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

    A20: 1.3 in smaller diagonal

    Studio 5.3 S:
    5.3 in
    A20:
    4 in

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 S

    Height:
    153 mm
    Width:
    78 mm
    Depth:
    9.2 mm
    Weight:
    190 g
  2. 2. A20

    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 S

    Screen diagonal:
    5.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    77.4 cm²
  2. 2. A20

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

Studio 5.3 S has approximately 70% more rectangular screen area than A20.

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 Studio 5.3 S, A20, compared at the same storage capacity.
StorageStudio 5.3 SA20
4 GB 1 GB RAM Unknown
A20: Original memory entry

256 MB · 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 S

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

2. A20

NFC:
Unknown
Headphone jack:
Yes
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. Studio 5.3 S

    2800 mAh

    +1300 mAh versus A20

  2. 2. A20

    1500 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 5.3 S2. A20

Everyday essentials
Everyday essentials — specifications for Studio 5.3 S, A20.
SpecificationStudio 5.3 SA20
Dimensions (HxWxD)
  • 153 Х 78 Х 9.2 mm
  • Х Х mm
Weight
  • 190 g
  • 0 g
Technology
  • LED-backlit IPS LCD
  • TFT
Screen size
  • 5.3" inch
  • 4" inch
Screen resolution
  • 540 x 960 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 256 MB
  • 512 MB RAM
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.
  • 2800 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Li-Ion
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • Android 4.2.0 (Jelly Bean)
Chipset
  • Qualcomm MSM8225Q Snapdragon S4 Play
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Studio 5.3 S, A20.
SpecificationStudio 5.3 SA20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 77.4 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 64.9%
Unknown
PPI /points per inch/
  • 208 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Studio 5.3 S, A20.
SpecificationStudio 5.3 SA20
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
Functions
  • Dual-LED flash
Unknown
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 Studio 5.3 S, A20.
SpecificationStudio 5.3 SA20
Processor CPU
  • Quad-core 1.2 GHz Cortex-A5
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Adreno 203
Unknown
Antutu 7 score *
  • 3256
Unknown
General specs
General specs — specifications for Studio 5.3 S, A20.
SpecificationStudio 5.3 SA20
Release date
  • 2013
  • April
  • 2013
  • August
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 60 EUR
Battery life
  • Stand by time- Up to 990 h (2G) / Up to 940 h (3G) Talking time- Up to 33 h (2G) / Up to 26 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Studio 5.3 S, A20.
SpecificationStudio 5.3 SA20
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 Mbps
  • Yes
  • 384 kbps
GPRS
  • Class 12
  • Class 12
Edge
  • Class 12
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • Yes
Harmful irradiation Unknown
  • SAR EU - 0.88 W/kg (head) 0.60 W/kg (body)
Music and Audio
Music and Audio — specifications for Studio 5.3 S, A20.
SpecificationStudio 5.3 SA20
Radio
  • Stereo FM radio
Unknown
Other features
Other features — specifications for Studio 5.3 S, A20.
SpecificationStudio 5.3 SA20
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - D580 Single SIM D590 Dual SIM
  • Sensors Proximity
  • gyro