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Sharp Pi vs vivo Y31

Compare recorded specifications, size and practical differences.

Sharp Pi

Sharp Pi

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vivo Y31

vivo Y31

Replace Y31
Remove Y31
+ 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.

  • Screen diagonalY31: 0.5 in smaller diagonalY31: 4.7 in · Pi: 5.2 in
  • ChipsetMediatek MT6737M (28 nm) / Mediatek MT6580 (28 nm)Pi: Mediatek MT6737M (28 nm) · Y31: Mediatek MT6580 (28 nm)
  • Rear camera layoutDual / SinglePi: Dual · Y31: Single
  • Release year2018 / 2015Pi: 2018 · Y31: 2015

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
Y31: 137.2 × 68.8 mm 2
Side
Y31: 137.2 × 8.4 mm 2
  1. 1. Pi
    Height
    Unknown
    Width
    Unknown
    Depth
    Unknown
    Weight
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. Y31
    Height
    137.2 mm
    Width
    68.8 mm
    Depth
    8.4 mm
    Weight
    137 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
SpecificationPiY31
Dimensions (HxWxD)
  • Х Х mm
  • 137.2 Х 68.8 Х 8.4 mm
Weight
  • 0 g
  • 137 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.2" inch
  • 4.7" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 128 GB
  • microSD
  • up to 256 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Li-Ion
  • 2100 mAh
  • Removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 5.1 (Lollipop); Funtouch 2.1
Chipset
  • Mediatek MT6737M (28 nm)
  • Mediatek MT6580 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display
SpecificationPiY31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 60.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio Unknown
  • 64.5%
PPI /points per inch/
  • 282 PPI
  • 312 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video
SpecificationPiY31
Rear camera, main
  • 13 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • AF -2 MP
  • depth sensor
  • 8 MP
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • 2 MP
Performance
Performance
SpecificationPiY31
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720
  • Mali-400MP2
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 405
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 1086
Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 101155
General specs
General specs
SpecificationPiY31
Release date
  • 2018
  • February
  • 2015
  • September
Colors
  • White/Gold
  • Black
  • White
  • Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 110 EUR
  • 130 EUR
Communication and Connectivity
Communication and Connectivity
SpecificationPiY31
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio
SpecificationPiY31
Radio
  • To be confirmed
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features
SpecificationPiY31
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity - For Indonesia
  • Vietnam
  • Sensors Accelerometer
  • proximity
  • compass