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  2. BLU J4 vs Oppo Ace2

BLU J4 vs Oppo Ace2

Compare recorded specifications, size and practical differences.

BLU J4

BLU J4

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    Oppo Ace2

    Oppo Ace2

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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 LCDJ4: LCD · Ace2: OLED
        • WeightJ4: 28 g lighterJ4: 158 g · Ace2: 186 g
        • WidthJ4: 3.1 mm narrowerJ4: 72.3 mm · Ace2: 75.4 mm
        • Screen diagonalJ4: 1.05 in smaller diagonalJ4: 5.5 in · Ace2: 6.55 in
        • Rear camera layoutSingle / QuadJ4: Single · Ace2: Quad
        • DepthAce2: 1.4 mm thinnerAce2: 8.6 mm · J4: 10 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
        J4: 151 × 72.3 mm 1 Ace2: 160 × 75.4 mm 2
        Side
        J4: 151 × 10 mm 1 Ace2: 160 × 8.6 mm 2
        1. 1. J4
          Height
          151 mm
          Width
          72.3 mm
          Depth
          10 mm
          Weight
          158 g
        2. 2. Ace2
          Height
          160 mm
          Width
          75.4 mm
          Depth
          8.6 mm
          Weight
          186 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
        SpecificationJ4Ace2
        Dimensions (HxWxD)
        • 151 Х 72.3 Х 10 mm
        • 160 Х 75.4 Х 8.6 mm
        Weight
        • 158 g
        • 186 g
        Technology
        • IPS LCD
        • AMOLED
        Screen size
        • 5.5" inch
        • 6.55" inch
        Screen resolution
        • 720 x 1440 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
        • 256GB 8GB RAM
        • 256GB 12GB RAM
        Memory card support
        • microSDXC
        • No
        BatteryCapacity is not battery life. No endurance test is implied.
        • 2200 mAh
        • Removable Li-Po
        • 4000 mAh
        • Non-removable Li-Po
        Operating system OS
        • Android 8.1 Oreo (Go edition)
        • Android 10.0; ColorOS 7.1
        Chipset Unknown
        • Qualcomm SM8250 Snapdragon 865 (7 nm+)
        NFC Unknown
        • Yes
        Headphone jack
        • Yes
        • No
        Display
        Display
        SpecificationJ4Ace2
        Touchscreen
        • capacitive touchscreen
        • capacitive touchscreen
        Display colors
        • 16M
        • 16M
        Screen area
        • 78.1 cm2
        • 103.6 cm2
        Screen format
        • 18:9 (height:width)
        • 20:9 (height:width)
        Screen to body ratio
        • 71.5%
        • 85.9%
        PPI /points per inch/
        • 293 PPI
        • 402 PPI
        Screen protection Unknown
        • Corning Gorilla Glass 5
        Camera and Video
        Camera and Video
        SpecificationJ4Ace2
        Rear camera, main
        • 8 MP
        • Single
        • 48 MP
        • Quad
        Camera specs
        • 8 MP
        • AF
        • 48 MP
        • f/1.7
        • 26mm (wide)
        • 1/2.0''
        • 0.8µm
        • PDAF -8 MP
        • f/2.2
        • 13mm (ultrawide)
        • 1/4.0''
        • 1.12µm
        • AF -2 MP B/W
        • (depth) -2 MP
        • (depth)
        Functions
        • LED flash
        • HDR
        Video
        • 720p@30fps
        • 1080p@30fps
        Front camera, selfie
        • 8 MP
        • Single
        • 16 MP
        • Single
        Specifications
        • 8 MP
        • 16 MP
        • f/2.4
        • 29mm (wide)
        • 1/3.1''
        • 1.0µm
        Performance
        Performance
        SpecificationJ4Ace2
        Processor CPU
        • Quad-core 1.3 GHz Cortex-A7
        • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
        Graphics processor GPU
        • Mali-400
        • Adreno 650
        General specs
        General specs
        SpecificationJ4Ace2
        Release date
        • 2019
        • October
        • 2020
        • April 13
        Colors
        • Blue
        • Black
        • Brown
        • Aurora Silver
        • Moon Rock Grey
        • Fantasy Purple
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 70 EUR
        • 520 EUR
        Body build Unknown
        • Glass front (Gorilla Glass 5)
        • glass back (Gorilla Glass 5)
        • aluminum frame
        Communication and Connectivity
        Communication and Connectivity
        SpecificationJ4Ace2
        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 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
        • 2(1900)
        • 3(1800)
        • 4(1700/2100)
        • 5(850)
        • 7(2600)
        • 8(900)
        • 12(700)
        • 17(700)
        • 20(800)
        • 34(2000)
        • 38(2600)
        • 39(1900)
        • 40(2300)
        • 41(2500) - China -5G - 5G band 1(2100)
        • 41(2500)
        • 78(3500)
        • 79(4700); SA/NSA - China
        Speed
        • HSPA 21.1/5.76 Mbps
        • HSPA
        • 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 dual-band A-GPS
        • GLONASS
        • BDS
        • GALILEO
        • QZSS
        USB
        • microUSB 2.0
        • 2.0
        • Type-C 1.0 reversible connector
        • USB On-The-Go
        Bluetooth
        • 4.1
        • A2DP
        • LE
        • 5.1
        • A2DP
        • LE
        • aptX HD
        Music and Audio
        Music and Audio
        SpecificationJ4Ace2
        Radio
        • FM radio
        		 Unknown
        Others Unknown
        • 500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate
        Other features
        Other features
        SpecificationJ4Ace2
        Dop
        • Sensors Accelerometer For USA
        • Sensors Fingerprint (under display
        • optical)
        • accelerometer
        • gyro
        • proximity
        • compass - Fast charging 65W
        • 100% in 30 min (advertised) -SuperVOOC 2.0 -Fast wireless charging 40W
        • 100% in 56 min (advertised) -Wireless reverse charging 10W