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BLU Dash 4.5 (2016) vs O2 XDA Comet

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Dash 4.5 (2016): 11 g lighter

    Dash 4.5 (2016):
    134 g
    XDA Comet:
    145 g
  • Width

    XDA Comet: 8.8 mm narrower

    Dash 4.5 (2016):
    66.8 mm
    XDA Comet:
    58 mm
  • Screen diagonal

    XDA Comet: 1.8 in smaller diagonal

    Dash 4.5 (2016):
    4.5 in
    XDA Comet:
    2.7 in
  • Depth

    Dash 4.5 (2016): 8.5 mm thinner

    Dash 4.5 (2016):
    10.5 mm
    XDA Comet:
    19 mm
  • Height

    XDA Comet: 26.8 mm shorter

    Dash 4.5 (2016):
    132.8 mm
    XDA Comet:
    106 mm
  • Release year

    Dash 4.5 (2016):
    2016
    XDA Comet:
    2007

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.

Front
Front — relative 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. Dash 4.5 (2016): height 132.8 mm; Width 66.8 mm. XDA Comet: height 106 mm; Width 58 mm. Dash 4.5 (2016): 132.8 × 66.8 mm 1 XDA Comet: 106 × 58 mm 2
Side
Side — relative 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. Dash 4.5 (2016): height 132.8 mm; Depth 10.5 mm. XDA Comet: height 106 mm; Depth 19 mm. Dash 4.5 (2016): 132.8 × 10.5 mm 1 XDA Comet: 106 × 19 mm 2
  1. 1. Dash 4.5 (2016)

    Height:
    132.8 mm +26.8 mm versus XDA Comet
    Width:
    66.8 mm +8.8 mm versus XDA Comet
    Depth:
    10.5 mm
    Weight:
    134 g
  2. 2. XDA Comet

    Height:
    106 mm
    Width:
    58 mm
    Depth:
    19 mm +8.5 mm versus Dash 4.5 (2016)
    Weight:
    145 g

Weight

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

  1. 1. Dash 4.5 (2016)

    134 g

  2. 2. XDA Comet

    145 g

    +11 g versus Dash 4.5 (2016)

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.

Screen size
Relative rectangular screen sizes; numbers match the phone labels below 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. Dash 4.5 (2016): screen diagonal 4.5 in; aspect ratio (height:width) 16:9; approximate rectangular area 55.8 cm². XDA Comet: screen diagonal 2.7 in; aspect ratio (height:width) 4:3; approximate rectangular area 22.6 cm². Dash 4.5 (2016): 4.5 in, 16:9, About 55.8 cm² rectangular area 1 XDA Comet: 2.7 in, 4:3, About 22.6 cm² rectangular area 2
  1. 1. Dash 4.5 (2016)

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. XDA Comet

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

Dash 4.5 (2016) has approximately 147.3% more rectangular screen area than XDA 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Dash 4.5 (2016): Original memory entry

4 GB · 512 MB RAM

XDA Comet: Original memory entry

64 MB RAM · 1 GB ROM

Practical features

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

1. Dash 4.5 (2016)

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

2. XDA Comet

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. Dash 4.5 (2016)2. XDA Comet

Everyday essentials
Everyday essentials — specifications for Dash 4.5 (2016), XDA Comet.
SpecificationDash 4.5 (2016)XDA Comet
Dimensions (HxWxD)
  • 132.8 Х 66.8 Х 10.5 mm
  • 106 Х 58 Х 19 mm
Weight
  • 134 g
  • 145 g
Technology
  • TFT
  • TFT
Screen size
  • 4.5" inch
  • 2.7" inch
Screen resolution
  • 480 x 854 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64 MB RAM
  • 1 GB ROM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 5.1 (Lollipop)
  • Microsoft Windows Mobile 6.0 Professional
Headphone jack
  • Yes
  • No
Display
Display — specifications for Dash 4.5 (2016), XDA Comet.
SpecificationDash 4.5 (2016)XDA Comet
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 55.8 cm2
  • 22.6 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 62.9%
  • 36.7%
PPI /points per inch/
  • 218 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for Dash 4.5 (2016), XDA Comet.
SpecificationDash 4.5 (2016)XDA Comet
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • 2 MP
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA videocall camera
Performance
Performance — specifications for Dash 4.5 (2016), XDA Comet.
SpecificationDash 4.5 (2016)XDA Comet
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Intel XScale PXA 270 620 MHz
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for Dash 4.5 (2016), XDA Comet.
SpecificationDash 4.5 (2016)XDA Comet
Release date
  • 2016
  • July
  • 2007
  • September
Colors
  • Black
  • Blue
  • Silver
Battery life
  • Stand by time- Up to 700 h (2G) / Up to 600 h (3G) Talking time- Up to 26 h (2G) / Up to 14 h (3G)
  • Stand by time- Up to 200 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Dash 4.5 (2016), XDA Comet.
SpecificationDash 4.5 (2016)XDA Comet
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • 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 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 4.0
  • A2DP
  • 1.2
Music and Audio
Music and Audio — specifications for Dash 4.5 (2016), XDA Comet.
SpecificationDash 4.5 (2016)XDA Comet
Radio
  • Stereo FM radio
  • Stereo FM radio
  • RDS
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Dash 4.5 (2016), XDA Comet.
SpecificationDash 4.5 (2016)XDA Comet
Dop
  • Sensors Accelerometer
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player