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BLU Dash 4.0 vs Oppo A31

Compare recorded specifications, size and practical differences.

Oppo A31

Oppo A31

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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.

  • WeightDash 4.0: 52 g lighterDash 4.0: 128 g · A31: 180 g
  • WidthDash 4.0: 12.5 mm narrowerDash 4.0: 63 mm · A31: 75.5 mm
  • Screen diagonalDash 4.0: 2.5 in smaller diagonalDash 4.0: 4 in · A31: 6.5 in
  • Rear camera layoutSingle / TripleDash 4.0: Single · A31: Triple
  • DepthA31: 3.5 mm thinnerA31: 8.3 mm · Dash 4.0: 11.8 mm
  • HeightDash 4.0: 39.9 mm shorterDash 4.0: 124 mm · A31: 163.9 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.

Front
Dash 4.0: 124 × 63 mm 1 A31: 163.9 × 75.5 mm 2
Side
Dash 4.0: 124 × 11.8 mm 1 A31: 163.9 × 8.3 mm 2
  1. 1. Dash 4.0
    Height
    124 mm
    Width
    63 mm
    Depth
    11.8 mm
    Weight
    128 g
  2. 2. A31
    Height
    163.9 mm
    Width
    75.5 mm
    Depth
    8.3 mm
    Weight
    180 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials
Everyday essentials
SpecificationDash 4.0A31
Dimensions (HxWxD)
  • 124 Х 63 Х 11.8 mm
  • 163.9 Х 75.5 Х 8.3 mm
Weight
  • 128 g
  • 180 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 6.5" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1600 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 128GB 4GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSDXC (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Mediatek MT6572 (28 nm)
  • Mediatek MT6765V/CB Helio P35 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationDash 4.0A31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 102.0 cm2
Screen format
  • 5:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 58.3%
  • 82.4%
PPI /points per inch/
  • 233 PPI
  • 270 PPI
Camera and Video
Camera and Video
SpecificationDash 4.0A31
Rear camera, main
  • 5 MP
  • Single
  • 12 MP
  • Triple
Camera specs
  • 5 MP
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -2 MP
  • f/2.4
  • 27mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
Functions
  • LED flash
  • HDR
Video
  • 720@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP
  • f/2.0
Performance
Performance
SpecificationDash 4.0A31
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400
  • PowerVR GE8320
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 4056
Unknown
Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 105221
General specs
General specs
SpecificationDash 4.0A31
Release date
  • 2012
  • December
  • 2020
  • February 13
Colors
  • Black
  • White
  • Fantasy White
  • Mystery Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 180 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
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity
SpecificationDash 4.0A31
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
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
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio
SpecificationDash 4.0A31
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • 480 nits typ. brightness
Other features
Other features
SpecificationDash 4.0A31
Dop
  • Sensors Accelerometer
  • gyro
  • compass - D261 Single SIM D271 Dual SIM
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass

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