T-Mobile Comet vs ZTE Blade A3

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

    Comet: 61.9 g lighter

    Comet:
    102.1 g
    Blade A3:
    164 g
  • Width

    Comet: 19.9 mm narrower

    Comet:
    55.9 mm
    Blade A3:
    75.8 mm
  • Screen diagonal

    Comet: 2.7 in smaller diagonal

    Comet:
    2.8 in
    Blade A3:
    5.5 in
  • Chipset

    Comet:
    Qualcomm MSM7225 Snapdragon S1
    Blade A3:
    Mediatek MT6737T (28 nm)
  • Depth

    Blade A3: 4.5 mm thinner

    Comet:
    12.7 mm
    Blade A3:
    8.2 mm
  • Height

    Comet: 48.3 mm shorter

    Comet:
    104.1 mm
    Blade A3:
    152.4 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. Comet

    Height:
    104.1 mm
    Width:
    55.9 mm
    Depth:
    12.7 mm +4.5 mm versus Blade A3
  2. 2. Blade A3

    Height:
    152.4 mm +48.3 mm versus Comet
    Width:
    75.8 mm +19.9 mm versus Comet
    Depth:
    8.2 mm

Weight

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

  1. 1. Comet

    102.1 g

  2. 2. Blade A3

    164 g

    +61.9 g versus Comet

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. Comet

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Blade A3

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

Blade A3 has approximately 243.5% more rectangular screen area than Comet.

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 Comet, Blade A3, compared at the same storage capacity.
StorageCometBlade A3
32 GB Unknown 3 GB 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. Comet

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

2. Blade A3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Comet

    1200 mAh

  2. 2. Blade A3

    4000 mAh

    +2800 mAh versus Comet

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. Comet2. Blade A3

Everyday essentials
Everyday essentials — specifications for Comet, Blade A3.
SpecificationCometBlade A3
Dimensions (HxWxD)
  • 104.1 Х 55.9 Х 12.7 mm
  • 152.4 Х 75.8 Х 8.2 mm
Weight
  • 102.1 g
  • 164 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5.5" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 7.1 (Nougat)
Chipset
  • Qualcomm MSM7225 Snapdragon S1
  • Mediatek MT6737T (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Comet, Blade A3.
SpecificationCometBlade A3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 24.3 cm2
  • 83.4 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 41.7%
  • 72.2%
PPI /points per inch/
  • 143 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for Comet, Blade A3.
SpecificationCometBlade A3
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • 13 MP
  • AF
Functions Unknown
  • LED flash
Video
  • CIF
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Dual
Specifications Unknown
  • 5 MP 2 MP
  • depth sensor
Performance
Performance — specifications for Comet, Blade A3.
SpecificationCometBlade A3
Processor CPU
  • 528 MHz ARM 11
  • Quad-core 1.5 GHz Cortex-A53
Graphics processor GPU
  • No
  • Mali-T720MP2
General specs
General specs — specifications for Comet, Blade A3.
SpecificationCometBlade A3
Release date
  • 2010
  • November
  • 2017
  • November
Colors
  • Black
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 288 h Talking time- Up to 9 h
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Comet, Blade A3.
SpecificationCometBlade A3
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Comet, Blade A3.
SpecificationCometBlade A3
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Comet, Blade A3.
SpecificationCometBlade A3
Dop
  • Sensors Accelerometer MP3/WMA/eAAC+ player -MP4/H.264 player -Organizer -Photo viewer/editor -Voice memo/dial/commands -Predictive text input (Swype) For T-Mobile
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity