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  2. Oppo A57 vs Oppo A91

Oppo A57 vs Oppo A91

Compare recorded specifications, size and practical differences.

Oppo A57

Oppo A57

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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 LCDA57: LCD · A91: OLED
        • WeightA57: 25 g lighterA57: 147 g · A91: 172 g
        • Screen diagonalA57: 1.2 in smaller diagonalA57: 5.2 in · A91: 6.4 in
        • ChipsetQualcomm MSM8940 Snapdragon 435 (28 nm) / Mediatek MT6771V Helio P70 (12nm)A57: Qualcomm MSM8940 Snapdragon 435 (28 nm) · A91: Mediatek MT6771V Helio P70 (12nm)
        • Rear camera layoutSingle / QuadA57: Single · A91: Quad
        • HeightA57: 11.1 mm shorterA57: 149.1 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
        A57: 149.1 × 72.9 mm 1 A91: 160.2 × 73.3 mm 2
        Side
        A57: 149.1 × 7.7 mm 1 A91: 160.2 × 7.9 mm 2
        1. 1. A57
          Height
          149.1 mm
          Width
          72.9 mm
          Depth
          7.7 mm
          Weight
          147 g
        2. 2. A91
          Height
          160.2 mm+11.1 mm versus A57
          Width
          73.3 mm
          Depth
          7.9 mm
          Weight
          172 g
        Weight

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

        1. 1. A57147 g
        2. 2. A91172 g

          +25 g versus A57

        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.

        Screen size
        A57: 5.2 in, 16:9, About 74.5 cm² rectangular area 1 A91: 6.4 in, 20:9, About 98.9 cm² rectangular area 2
        1. 1. A57 5.2 in · 16:9 About 74.5 cm² rectangular area
        2. 2. A91 6.4 in · 20:9 About 98.9 cm² rectangular area

        A91 has approximately 32.7% more rectangular screen area than A57.

        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.

        Recorded RAM by storage capacity and phone
        StorageA57A91
        32 GB 3 GB RAM Not recorded
        128 GB Not recorded 8 GB RAM

        Practical features

        Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

        1. A57

        NFC
        Unknown
        Headphone jack
        Yes
        Memory card support
        See details microSD · up to 256 GB

        2. A91

        NFC
        Unknown
        Headphone jack
        Yes
        Memory card support
        See details microSD · up to 256 GB (dedicated slot)

        Battery capacity

        Capacity is not battery life. No endurance test is implied.

        Recorded capacity

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

        1. 1. A572900 mAh
        2. 2. A914025 mAh

          +1125 mAh versus A57

        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. A572. A91

        Everyday essentials
        Everyday essentials
        SpecificationA57A91
        Dimensions (HxWxD)
        • 149.1 Х 72.9 Х 7.7 mm
        • 160.2 Х 73.3 Х 7.9 mm
        Weight
        • 147 g
        • 172 g
        Technology
        • IPS LCD
        • AMOLED
        Screen size
        • 5.2" inch
        • 6.4" inch
        Screen resolution
        • 720 x 1280 px
        • 1080 x 2400 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 32 GB
        • 3 GB RAM
        • 128GB 8GB RAM
        Memory card support
        • microSD
        • up to 256 GB
        • microSD
        • up to 256 GB (dedicated slot)
        BatteryCapacity is not battery life. No endurance test is implied.
        • 2900 mAh
        • Non-removable Li-Ion
        • 4025 mAh
        • Non-removable Li-Po
        Operating system OS
        • Android 6 (Marshmallow); ColorOS 3
        • Android 9.0 (Pie); ColorOS 6.1
        Chipset
        • Qualcomm MSM8940 Snapdragon 435 (28 nm)
        • Mediatek MT6771V Helio P70 (12nm)
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        SpecificationA57A91
        Touchscreen
        • capacitive touchscreen
        • capacitive touchscreen
        Display colors
        • 16M
        • 16M
        Screen area
        • 74.5 cm2
        • 100.4 cm2
        Screen format
        • 16:9 (height:width)
        • 20:9 (height:width)
        Screen to body ratio
        • 68.6%
        • 85.5%
        PPI /points per inch/
        • 282 PPI
        • 408 PPI
        Screen protection
        • Corning Gorilla Glass 4
        • Corning Gorilla Glass 5
        Camera and Video
        Camera and Video
        SpecificationA57A91
        Rear camera, main
        • 13 MP
        • Single
        • 48 MP
        • Quad
        Camera specs
        • 13 MP
        • PDAF
        • f/2.2
        • 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
        • panorama
        • HDR
        Video
        • 1080p@30fps
        • 1080p@30fps
        Front camera, selfie
        • 16 MP
        • Single
        • 16 MP
        • Single
        Specifications
        • 16 MP
        • f/2.0
        • 1.12µm
        • AF
        • 16 MP
        • f/2.0
        • 26mm (wide)
        • 1/3.1''
        • 1.0µm
        Performance
        Performance
        SpecificationA57A91
        Processor CPU
        • Octa-core 1.4 GHz Cortex-A53
        • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
        Graphics processor GPU
        • Adreno 505
        • Mali-G72 MP3
        Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
        • 46782
        • 135756
        GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
        • 657
        		 Unknown
        GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
        • 2764
        		 Unknown
        GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied.
        • 2302
        		 Unknown
        General specs
        General specs
        SpecificationA57A91
        Release date
        • 2016
        • November
        • 2019
        • December
        Colors
        • Black
        • Gold
        • Rose Gold
        • Dark Blue
        • Red
        • Blue
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 200 EUR
        • 260 EUR
        Body build
        • Front glass
        • aluminum body
        • Glass front (Gorilla Glass 5)
        • plastic back
        • plastic frame
        Communication and Connectivity
        Communication and Connectivity
        SpecificationA57A91
        SIM card
        • Single SIM (Nano-SIM)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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
        • 3(1800)
        • 5(850)
        • 7(2600)
        • 8(900)
        • 20(800)
        • 28(700)
        • 38(2600)
        • 39(1900)
        • 40(2300)
        • 41(2500)
        • 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
        • LTE
        • HSPA 42.2/11.5 Mbps
        • LTE-A
        GPRS
        • Yes
        • Yes
        Edge
        • Yes
        • Yes
        Wi-Fi
        • Wi-Fi 802.11 b/g/n
        • 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
        • USB Host
        • 2.0
        • Type-C 1.0 reversible connector
        • USB On-The-Go
        Bluetooth
        • 4.1
        • A2DP
        • 4.2
        • A2DP
        • LE
        Music and Audio
        Music and Audio
        SpecificationA57A91
        Radio
        • FM radio
        • FM radio
        Others Unknown
        • 430 nits typ. brightness
        • Active noise cancellation with dedicated mic
        Other features
        Other features
        SpecificationA57A91
        Dop
        • Sensors Fingerprint (front-mounted)
        • accelerometer
        • proximity
        • compass - Also known as Oppo F3 Lite in Vietnam
        • Sensors Fingerprint (under display
        • optical)
        • accelerometer
        • gyro
        • proximity
        • compass - Fast charging 20W
        • 50% in 30 min -VOOC 3.0

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