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  2. BLU J2 vs Oppo A91

BLU J2 vs Oppo A91

Compare recorded specifications, size and practical differences.

BLU J2

BLU J2

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    Oppo A91

    Oppo A91

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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.

        • Display technologyOLED versus LCDJ2: LCD · A91: OLED
        • WeightJ2: 26 g lighterJ2: 146 g · A91: 172 g
        • Screen diagonalJ2: 1.4 in smaller diagonalJ2: 5 in · A91: 6.4 in
        • Rear camera layoutSingle / QuadJ2: Single · A91: Quad
        • DepthA91: 2.4 mm thinnerA91: 7.9 mm · J2: 10.3 mm
        • HeightJ2: 16.2 mm shorterJ2: 144 mm · A91: 160.2 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
        J2: 144 × 73.1 mm 1 A91: 160.2 × 73.3 mm 2
        Side
        J2: 144 × 10.3 mm 1 A91: 160.2 × 7.9 mm 2
        1. 1. J2
          Height
          144 mm
          Width
          73.1 mm
          Depth
          10.3 mm
          Weight
          146 g
        2. 2. A91
          Height
          160.2 mm
          Width
          73.3 mm
          Depth
          7.9 mm
          Weight
          172 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
        SpecificationJ2A91
        Dimensions (HxWxD)
        • 144 Х 73.1 Х 10.3 mm
        • 160.2 Х 73.3 Х 7.9 mm
        Weight
        • 146 g
        • 172 g
        Technology
        • IPS LCD
        • AMOLED
        Screen size
        • 5" inch
        • 6.4" inch
        Screen resolution
        • 480 x 854 px
        • 1080 x 2400 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 32GB 1GB RAM
        • 128GB 8GB RAM
        Memory card support
        • microSDXC
        • microSD
        • up to 256 GB (dedicated slot)
        BatteryCapacity is not battery life. No endurance test is implied.
        • 2000 mAh
        • Li-Po
        • 4025 mAh
        • Non-removable Li-Po
        Operating system OS
        • Android 8.1 Oreo (Go edition)
        • Android 9.0 (Pie); ColorOS 6.1
        Chipset Unknown
        • Mediatek MT6771V Helio P70 (12nm)
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        SpecificationJ2A91
        Touchscreen
        • capacitive touchscreen
        • capacitive touchscreen
        Display colors
        • 16M
        • 16M
        Screen area
        • 68.9 cm2
        • 100.4 cm2
        Screen format
        • 16:9 (height:width)
        • 20:9 (height:width)
        Screen to body ratio
        • 65.4%
        • 85.5%
        PPI /points per inch/
        • 196 PPI
        • 408 PPI
        Screen protection Unknown
        • Corning Gorilla Glass 5
        Camera and Video
        Camera and Video
        SpecificationJ2A91
        Rear camera, main
        • 5 MP
        • Single
        • 48 MP
        • Quad
        Camera specs
        • 5 MP
        • 48 MP
        • f/1.8
        • 26mm (wide)
        • 1/2.0"
        • 0.8µm
        • PDAF -8 MP
        • f/2.2
        • 13mm (ultrawide)
        • 1/4.0"
        • 1.12µm -2 MP B/W
        • f/2.4
        • 1/5.0"
        • 1.75µm -2 MP
        • 1.75µm
        • depth sensor
        Functions
        • LED flash
        • HDR
        Video
        • 720p@30fps
        • 1080p@30fps
        Front camera, selfie
        • 5 MP
        • Single
        • 16 MP
        • Single
        Specifications
        • 5 MP
        • 16 MP
        • f/2.0
        • 26mm (wide)
        • 1/3.1''
        • 1.0µm
        Performance
        Performance
        SpecificationJ2A91
        Processor CPU
        • Quad-core 1.3 GHz Cortex-A7
        • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
        Graphics processor GPU
        • Mali-400
        • Mali-G72 MP3
        Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 135756
        General specs
        General specs
        SpecificationJ2A91
        Release date
        • 2019
        • December
        • 2019
        • December
        Colors
        • Blue
        • Black
        • Brown
        • Dark Blue
        • Red
        • Blue
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 50 EUR
        • 260 EUR
        Body build Unknown
        • Glass front (Gorilla Glass 5)
        • plastic back
        • plastic frame
        Communication and Connectivity
        Communication and Connectivity
        SpecificationJ2A91
        SIM card
        • Dual SIM (Nano-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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
        • 3(1800)
        • 4(1700/2100)
        • 5(850)
        • 8(900)
        • 34(2000)
        • 38(2600)
        • 39(1900)
        • 40(2300)
        • 41(2500)
        Speed
        • HSPA 21.1/5.76 Mbps
        • HSPA 42.2/11.5 Mbps
        • LTE-A
        GPRS
        • Yes
        • Yes
        Edge
        • Yes
        • Yes
        Wi-Fi
        • Wi-Fi 802.11 b/g/n
        • Wi-Fi Direct
        • hotspot
        • Wi-Fi 802.11 a/b/g/n/ac/ax
        • dual-band
        • Wi-Fi Direct
        • hotspot
        GPS
        • Yes
        • with A-GPS
        • Yes
        • with A-GPS
        • GLONASS
        • BDS
        USB
        • microUSB 2.0
        • 2.0
        • Type-C 1.0 reversible connector
        • USB On-The-Go
        Bluetooth
        • 4.1
        • A2DP
        • LE
        • 4.2
        • A2DP
        • LE
        Music and Audio
        Music and Audio
        SpecificationJ2A91
        Radio
        • FM radio
        • FM radio
        Others Unknown
        • 430 nits typ. brightness
        • Active noise cancellation with dedicated mic
        Other features
        Other features
        SpecificationJ2A91
        Dop
        • Sensors Accelerometer For USA
        • Sensors Fingerprint (under display
        • optical)
        • accelerometer
        • gyro
        • proximity
        • compass - Fast charging 20W
        • 50% in 30 min -VOOC 3.0

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