BLU Dash L4 vs LG C900 Optimus 7Q

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 L4: 59 g lighter

    Dash L4:
    119 g
    C900 Optimus 7Q:
    178 g
  • Width

    C900 Optimus 7Q: 4.6 mm narrower

    Dash L4:
    64.1 mm
    C900 Optimus 7Q:
    59.5 mm
  • Screen diagonal

    C900 Optimus 7Q: 0.5 in smaller diagonal

    Dash L4:
    4 in
    C900 Optimus 7Q:
    3.5 in
  • Chipset

    Dash L4:
    Mediatek MT6570 (28 nm)
    C900 Optimus 7Q:
    Qualcomm QSD8650 Snapdragon S1
  • Depth

    Dash L4: 4.7 mm thinner

    Dash L4:
    10.5 mm
    C900 Optimus 7Q:
    15.2 mm
  • Height

    C900 Optimus 7Q: 7.3 mm shorter

    Dash L4:
    126.8 mm
    C900 Optimus 7Q:
    119.5 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 L4

    Height:
    126.8 mm +7.3 mm versus C900 Optimus 7Q
    Width:
    64.1 mm +4.6 mm versus C900 Optimus 7Q
    Depth:
    10.5 mm
  2. 2. C900 Optimus 7Q

    Height:
    119.5 mm
    Width:
    59.5 mm
    Depth:
    15.2 mm +4.7 mm versus Dash L4

Weight

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

  1. 1. Dash L4

    119 g

  2. 2. C900 Optimus 7Q

    178 g

    +59 g versus Dash L4

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 L4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. C900 Optimus 7Q

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

Dash L4 has approximately 30.6% more rectangular screen area than C900 Optimus 7Q.

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 L4: Original memory entry

8 GB · 512 MB RAM

C900 Optimus 7Q: Original memory entry

16 GB · 512 MB RAM · 512 MB 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 L4

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

2. C900 Optimus 7Q

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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 L4

    1700 mAh

    +200 mAh versus C900 Optimus 7Q

  2. 2. C900 Optimus 7Q

    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. Dash L42. C900 Optimus 7Q

Everyday essentials
Everyday essentials — specifications for Dash L4, C900 Optimus 7Q.
SpecificationDash L4C900 Optimus 7Q
Dimensions (HxWxD)
  • 126.8 Х 64.1 Х 10.5 mm
  • 119.5 Х 59.5 Х 15.2 mm
Weight
  • 119 g
  • 178 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 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
  • 512 MB RAM
  • 16 GB
  • 512 MB RAM
  • 512 MB ROM
Memory card support
  • microSD
  • up to 64 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Removable Li-Po
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Microsoft Windows Phone 7
Chipset
  • Mediatek MT6570 (28 nm)
  • Qualcomm QSD8650 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Dash L4, C900 Optimus 7Q.
SpecificationDash L4C900 Optimus 7Q
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 34.9 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 56.0%
  • 49.0%
PPI /points per inch/
  • 233 PPI
  • 267 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Dash L4, C900 Optimus 7Q.
SpecificationDash L4C900 Optimus 7Q
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • 720p
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for Dash L4, C900 Optimus 7Q.
SpecificationDash L4C900 Optimus 7Q
Processor CPU
  • Dual-core 1.3 GHz
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Mali-400
  • Adreno 200
General specs
General specs — specifications for Dash L4, C900 Optimus 7Q.
SpecificationDash L4C900 Optimus 7Q
Release date
  • 2017
  • December
  • 2010
  • October
Colors
  • Black
  • Gold
  • Rose Gold
  • Silver
  • Red
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 60 USD
Unknown
Battery life
  • Stand by time- Up to 500 h (2G) / Up to 550 h (3G) Talking time- Up to 18 h (2G) / Up to 15 h (3G)
  • Stand by time- Up to 350 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for Dash L4, C900 Optimus 7Q.
SpecificationDash L4C900 Optimus 7Q
SIM card
  • Dual SIM (Mini-SIM/Micro-SIM)
  • Mini-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
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Music and Audio
Music and Audio — specifications for Dash L4, C900 Optimus 7Q.
SpecificationDash L4C900 Optimus 7Q
Radio Unknown
  • Stereo FM radio
Other features
Other features — specifications for Dash L4, C900 Optimus 7Q.
SpecificationDash L4C900 Optimus 7Q
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer/editor -Voice memo -Predictive text input - Also known as LG Optimus Quantum