BLU Dash 4.0 vs Vertu Signature Touch (2015)

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

    Dash 4.0: 97 g lighter

    Dash 4.0:
    128 g
    Signature Touch (2015):
    225 g
  • Width

    Dash 4.0: 11 mm narrower

    Dash 4.0:
    63 mm
    Signature Touch (2015):
    74 mm
  • Screen diagonal

    Dash 4.0: 1.2 in smaller diagonal

    Dash 4.0:
    4 in
    Signature Touch (2015):
    5.2 in
  • Chipset

    Dash 4.0:
    Mediatek MT6572 (28 nm)
    Signature Touch (2015):
    Qualcomm MSM8994 Snapdragon 810 (20 nm)
  • Depth

    Signature Touch (2015): 1 mm thinner

    Dash 4.0:
    11.8 mm
    Signature Touch (2015):
    10.8 mm
  • Height

    Dash 4.0: 31 mm shorter

    Dash 4.0:
    124 mm
    Signature Touch (2015):
    155 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. Dash 4.0

    Height:
    124 mm
    Width:
    63 mm
    Depth:
    11.8 mm +1 mm versus Signature Touch (2015)
  2. 2. Signature Touch (2015)

    Height:
    155 mm +31 mm versus Dash 4.0
    Width:
    74 mm +11 mm versus Dash 4.0
    Depth:
    10.8 mm

Weight

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

  1. 1. Dash 4.0

    128 g

  2. 2. Signature Touch (2015)

    225 g

    +97 g versus Dash 4.0

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. Dash 4.0

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Signature Touch (2015)

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

Signature Touch (2015) has approximately 63.7% more rectangular screen area than Dash 4.0.

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 4.0: Original memory entry

4 GB · 512 MB RAM

Signature Touch (2015): Original memory entry

64 GB · 512GB 4GB

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 4.0

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

2. Signature Touch (2015)

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Dash 4.0

    1500 mAh

  2. 2. Signature Touch (2015)

    3160 mAh

    +1660 mAh versus Dash 4.0

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 4.02. Signature Touch (2015)

Everyday essentials
Everyday essentials — specifications for Dash 4.0, Signature Touch (2015).
SpecificationDash 4.0Signature Touch (2015)
Dimensions (HxWxD)
  • 124 Х 63 Х 11.8 mm
  • 155 Х 74 Х 10.8 mm
Weight
  • 128 g
  • 225 g
Technology
  • TFT
  • Sapphire crystal glass
Screen size
  • 4" inch
  • 5.2" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 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 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3160 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6572 (28 nm)
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Dash 4.0, Signature Touch (2015).
SpecificationDash 4.0Signature Touch (2015)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 74.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 58.3%
  • 65.0%
PPI /points per inch/
  • 233 PPI
  • 424 PPI
Screen protection Unknown
  • Sapphire crystal glass
Camera and Video
Camera and Video — specifications for Dash 4.0, Signature Touch (2015).
SpecificationDash 4.0Signature Touch (2015)
Rear camera, main
  • 5 MP
  • Single
  • 21 MP
  • Single
Camera specs
  • 5 MP
  • 21 MP
  • PDAF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 720@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 2.1 MP
  • Single
Specifications
  • VGA
  • 2.1 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Dash 4.0, Signature Touch (2015).
SpecificationDash 4.0Signature Touch (2015)
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57)
Graphics processor GPU
  • Mali-400
  • Adreno 430
Antutu 7 score *
  • 4056
Unknown
General specs
General specs — specifications for Dash 4.0, Signature Touch (2015).
SpecificationDash 4.0Signature Touch (2015)
Release date
  • 2012
  • December
  • 2015
  • September
Colors
  • Black
  • White
  • Jet Calf
  • Garnet Calf
  • Grape Lizard
  • Pure Jet Lizard
  • Jet Alligator
  • Pure Navy Alligator
  • Clous de Paris Alligator
  • Pure Jet Red Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 9000 EUR
Battery life
  • Stand by time- Up to 450 h (2G) / Up to 340 h (3G) Talking time- Up to 14 h (2G) / Up to 8 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Dash 4.0, Signature Touch (2015).
SpecificationDash 4.0Signature Touch (2015)
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 13(700)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 28(700)
  • 29(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0 (MHL)
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • LE
  • aptX
Music and Audio
Music and Audio — specifications for Dash 4.0, Signature Touch (2015).
SpecificationDash 4.0Signature Touch (2015)
Radio
  • Stereo FM radio
  • No
Others Unknown
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Dash 4.0, Signature Touch (2015).
SpecificationDash 4.0Signature Touch (2015)
Dop
  • Sensors Accelerometer
  • gyro
  • compass - D261 Single SIM D271 Dual SIM
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 2.0) -Qi wireless charging - Titanium body (forged grade 5) and luxurious calf leather covered rear panel