alcatel Pop Star vs Panasonic T21

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.

  • Width

    T21: 8 mm narrower

    Pop Star:
    71.5 mm
    T21:
    63.5 mm
  • Screen diagonal

    T21: 1 in smaller diagonal

    Pop Star:
    5 in
    T21:
    4 in
  • Chipset

    Pop Star:
    Mediatek MT6580 (28 nm)
    T21:
    Mediatek MT6589 (28 nm)
  • Depth

    Pop Star: 0.6 mm thinner

    Pop Star:
    8.6 mm
    T21:
    9.2 mm
  • Height

    T21: 28.4 mm shorter

    Pop Star:
    141 mm
    T21:
    112.6 mm
  • Release year

    Pop Star:
    2015
    T21:
    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. Pop Star

    Height:
    141 mm +28.4 mm versus T21
    Width:
    71.5 mm +8 mm versus T21
    Depth:
    8.6 mm
    Weight:
    Unknown
  2. 2. T21

    Height:
    112.6 mm
    Width:
    63.5 mm
    Depth:
    9.2 mm +0.6 mm versus Pop Star
    Weight:
    120 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. Pop Star

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. T21

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

Pop Star has approximately 51.3% more rectangular screen area than T21.

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 Pop Star, T21, compared at the same storage capacity.
StoragePop StarT21
4 GB Not recorded 1 GB RAM
8 GB 1 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Pop Star

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

2. T21

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. Pop Star

    2000 mAh

    +500 mAh versus T21

  2. 2. T21

    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. Pop Star2. T21

Everyday essentials
Everyday essentials — specifications for Pop Star, T21.
SpecificationPop StarT21
Dimensions (HxWxD)
  • 141 Х 71.5 Х 8.6 mm
  • 112.6 Х 63.5 Х 9.2 mm
Weight
  • 0 g
  • 120 g
Technology Unknown
  • IPS LCD
Screen size
  • 5" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 4 GB
  • 1 GB 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.
  • 2000 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • Android 4.1 (Jelly Bean)
Chipset
  • Mediatek MT6580 (28 nm)
  • Mediatek MT6589 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Pop Star, T21.
SpecificationPop StarT21
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 68.4%
  • 63.7%
PPI /points per inch/
  • 294 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Pop Star, T21.
SpecificationPop StarT21
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • VGA
Performance
Performance — specifications for Pop Star, T21.
SpecificationPop StarT21
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-400MP2
  • PowerVR SGX544
General specs
General specs — specifications for Pop Star, T21.
SpecificationPop StarT21
Release date
  • 2015
  • September
  • 2013
  • Q3
Colors
  • Black
  • White
  • Silver
  • Gold
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Battery life
  • Stand by time- Up to 566 h (2G) / Up to 500 h (3G) Talking time- Up to 12 h (2G) / Up to 10 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Pop Star, T21.
SpecificationPop StarT21
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Pop Star, T21.
SpecificationPop StarT21
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Pop Star, T21.
SpecificationPop StarT21
Dop
  • Sensors Accelerometer
  • proximity - Also known as Alcatel Pop Star (3G)
  • Sensors Accelerometer
  • proximity
  • compass