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BLU Dash 4.0 vs Lava Iris Pro 20

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

    Iris Pro 20: 16 g lighter

    Dash 4.0:
    128 g
    Iris Pro 20:
    112 g
  • Width

    Dash 4.0: 4.5 mm narrower

    Dash 4.0:
    63 mm
    Iris Pro 20:
    67.5 mm
  • Screen diagonal

    Dash 4.0: 0.7 in smaller diagonal

    Dash 4.0:
    4 in
    Iris Pro 20:
    4.7 in
  • Depth

    Iris Pro 20: 4.1 mm thinner

    Dash 4.0:
    11.8 mm
    Iris Pro 20:
    7.7 mm
  • Height

    Dash 4.0: 14 mm shorter

    Dash 4.0:
    124 mm
    Iris Pro 20:
    138 mm
  • Release year

    Dash 4.0:
    2012
    Iris Pro 20:
    2014

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 4.0: height 124 mm; Width 63 mm. Iris Pro 20: height 138 mm; Width 67.5 mm. Dash 4.0: 124 × 63 mm 1 Iris Pro 20: 138 × 67.5 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 4.0: height 124 mm; Depth 11.8 mm. Iris Pro 20: height 138 mm; Depth 7.7 mm. Dash 4.0: 124 × 11.8 mm 1 Iris Pro 20: 138 × 7.7 mm 2
  1. 1. Dash 4.0

    Height:
    124 mm
    Width:
    63 mm
    Depth:
    11.8 mm +4.1 mm versus Iris Pro 20
    Weight:
    128 g
  2. 2. Iris Pro 20

    Height:
    138 mm +14 mm versus Dash 4.0
    Width:
    67.5 mm +4.5 mm versus Dash 4.0
    Depth:
    7.7 mm
    Weight:
    112 g

Weight

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

  1. 1. Dash 4.0

    128 g

    +16 g versus Iris Pro 20

  2. 2. Iris Pro 20

    112 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.

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 4.0: screen diagonal 4 in; aspect ratio (height:width) 5:3; approximate rectangular area 45.5 cm². Iris Pro 20: screen diagonal 4.7 in; aspect ratio (height:width) 16:9; approximate rectangular area 60.9 cm². Dash 4.0: 4 in, 5:3, About 45.5 cm² rectangular area 1 Iris Pro 20: 4.7 in, 16:9, About 60.9 cm² rectangular area 2
  1. 1. Dash 4.0

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Iris Pro 20

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

Iris Pro 20 has approximately 33.7% 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.

Recorded RAM for Dash 4.0, Iris Pro 20, compared at the same storage capacity.
StorageDash 4.0Iris Pro 20
4 GB Unknown 1 GB RAM
Dash 4.0: Original memory entry

4 GB · 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. Dash 4.0

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

2. Iris Pro 20

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Dash 4.0

    1500 mAh

  2. 2. Iris Pro 20

    2000 mAh

    +500 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. Iris Pro 20

Everyday essentials
Everyday essentials — specifications for Dash 4.0, Iris Pro 20.
SpecificationDash 4.0Iris Pro 20
Dimensions (HxWxD)
  • 124 Х 63 Х 11.8 mm
  • 138 Х 67.5 Х 7.7 mm
Weight
  • 128 g
  • 112 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 4.7" inch
Screen resolution
  • 480 x 800 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 4.2.1 (Jelly Bean)
Chipset
  • Mediatek MT6572 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Dash 4.0, Iris Pro 20.
SpecificationDash 4.0Iris Pro 20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 60.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 58.3%
  • 65.4%
PPI /points per inch/
  • 233 PPI
  • 234 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Dash 4.0, Iris Pro 20.
SpecificationDash 4.0Iris Pro 20
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 720@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA
Performance
Performance — specifications for Dash 4.0, Iris Pro 20.
SpecificationDash 4.0Iris Pro 20
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Quad-core 1.2 GHz
Graphics processor GPU
  • Mali-400
  • PowerVR SGX544
Antutu 7 score Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 4056
Unknown
General specs
General specs — specifications for Dash 4.0, Iris Pro 20.
SpecificationDash 4.0Iris Pro 20
Release date
  • 2012
  • December
  • 2014
  • April
Colors
  • Black
  • White
  • Dark Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 150 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)
  • Stand by time- Up to 400 h Talking time- Up to 7 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Dash 4.0, Iris Pro 20.
SpecificationDash 4.0Iris Pro 20
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual 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 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Dash 4.0, Iris Pro 20.
SpecificationDash 4.0Iris Pro 20
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Dash 4.0, Iris Pro 20.
SpecificationDash 4.0Iris Pro 20
Dop
  • Sensors Accelerometer
  • gyro
  • compass - D261 Single SIM D271 Dual SIM
  • Sensors Accelerometer
  • proximity - For India