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Oppo RX17 Pro vs Samsung Galaxy A21

Compare recorded specifications, size and practical differences.

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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.

    • Rear camera layout

      RX17 Pro:
      Triple
      Galaxy A21:
      Quad

    • Release year

      RX17 Pro:
      2018
      Galaxy A21:
      2020

    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.

    1. 1. RX17 Pro

      Height:
      157.6 mm
      Width:
      74.6 mm
      Depth:
      7.9 mm
      Weight:
      183 g

    2. 2. Galaxy A21

      Height:
      Unknown
      Width:
      Unknown
      Depth:
      Unknown
      Weight:
      Unknown

      Unavailable dimensions are omitted from the drawing.

    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.

    1. 1. RX17 Pro

      Screen diagonal:
      6.4 in
      Aspect ratio (height:width):
      19.5:9
      Approximate rectangular screen area:
      100.5 cm²

    2. 2. Galaxy A21

      Screen diagonal:
      6.5 in
      Aspect ratio (height:width):
      20:9
      Approximate rectangular screen area:
      102 cm²

    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 for RX17 Pro, Galaxy A21, compared at the same storage capacity.
    StorageRX17 ProGalaxy A21
    32 GB Unknown 3 GB RAM
    RX17 Pro: Original memory entry

    128 GB · 6/8 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. RX17 Pro

    NFC:
    Yes
    Headphone jack:
    No
    Memory card support:
    See details microSD · up to 256 GB (uses SIM 2 slot)

    2. Galaxy A21

    NFC:
    See details Yes (market/region dependent)
    Headphone jack:
    Yes
    Memory card support:
    See details microSDXC (dedicated slot)

    Battery capacity

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

    Recorded battery capacity

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

    1. 1. RX17 Pro

      3700 mAh

    2. 2. Galaxy A21

      4000 mAh

      +300 mAh versus RX17 Pro

    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. RX17 Pro2. Galaxy A21

    Everyday essentials
    Everyday essentials — specifications for RX17 Pro, Galaxy A21.
    SpecificationRX17 ProGalaxy A21
    Dimensions (HxWxD)
    • 157.6 Х 74.6 Х 7.9 mm
    • Х Х mm
    Weight
    • 183 g
    • 0 g
    Technology
    • AMOLED
    • Super AMOLED
    Screen size
    • 6.4" inch
    • 6.5" inch
    Screen resolution
    • 1080 x 2340 px
    • 720 x 1600 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 128 GB
    • 6/8 GB RAM
    • 32GB 3GB RAM
    Memory card support
    • microSD
    • up to 256 GB (uses SIM 2 slot)
    • microSDXC (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 3700 mAh
    • Non-removable Li-Po
    • 4000 mAh
    • Non-removable Li-Po
    Operating system OS
    • Android 8.1 (Oreo); ColorOS 5.2
    • Android 10.0; One UI 2.0
    Chipset
    • Qualcomm SDM710 Snapdragon 710 (10 nm)
    		 Unknown
    NFC
    • Yes
    • Yes (market/region dependent)
    Headphone jack
    • No
    • Yes
    Display
    Display — specifications for RX17 Pro, Galaxy A21.
    SpecificationRX17 ProGalaxy A21
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 101.0 cm2
    • 102.0 cm2
    Screen format
    • 19.5:9 (height:width)
    • 20:9 (height:width)
    Screen to body ratio
    • 85.9%
    		 Unknown
    PPI /points per inch/
    • 402 PPI
    • 270 PPI
    Screen protection
    • Corning Gorilla Glass 6
    		 Unknown
    Camera and Video
    Camera and Video — specifications for RX17 Pro, Galaxy A21.
    SpecificationRX17 ProGalaxy A21
    Rear camera, main
    • 12 MP
    • Triple
    • 16 MP
    • Quad
    Camera specs
    • 12 MP
    • f/1.5-2.4
    • 26mm (wide)
    • 1/2.55''
    • 1.4µm
    • dual pixel PDAF
    • OIS -20 MP
    • f/2.6
    • AF -TOF 3D stereo camera
    • 16 MP
    • (wide)
    • AF -8 MP
    • (ultrawide) -2 MP
    • (macro) -2 MP
    • (depth)
    Functions
    • HDR
    • LED flash
    • panorama
    • HDR
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 25 MP
    • Single
    • 13 MP
    • Single
    Specifications
    • 25 MP
    • f/2.0
    • 1/2.8''
    • 0.9μm
    • 13 MP
    • (wide)
    Performance

    Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

    Performance — specifications for RX17 Pro, Galaxy A21.
    SpecificationRX17 ProGalaxy A21
    Processor CPU
    • Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
    		 Unknown
    Graphics processor GPU
    • Adreno 616
    		 Unknown
    Antutu 8 score *
    • 212736
    		 Unknown
    General specs
    General specs — specifications for RX17 Pro, Galaxy A21.
    SpecificationRX17 ProGalaxy A21
    Release date
    • 2018
    • August
    • 2020
    • April 8
    Colors
    • Radiant Mist
    • Emerald Green
    • Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 600 EUR
    • 250 EUR
    Body build Unknown
    • Glass front
    • plastic back
    • plastic frame
    Communication and Connectivity
    Communication and Connectivity — specifications for RX17 Pro, Galaxy A21.
    SpecificationRX17 ProGalaxy A21
    SIM card
    • Hybrid Dual SIM (Nano-SIM
    • dual stand-by)
    • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
    • dual stand-by)
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
    • 2(1900)
    • 3(1800)
    • 4(1700/2100)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 12(700)
    • 17(700)
    • 18(800)
    • 19(800)
    • 20(800)
    • 25(1900)
    • 26(850)
    • 28(700)
    • 32(1500)
    • 34(2000)
    • 38(2600)
    • 39(1900)
    • 40(2300)
    • 41(2500)
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE
    Speed
    • HSPA 42.2/5.76 Mbps
    • LTE-A Cat15 800/150 Mbps
    • HSPA 42.2/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • WiFi Direct
    • hotspot
    • Wi-Fi 802.11 b/g/n
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    • GALILEO
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    USB
    • 3.1
    • Type-C 1.0 reversible connector
    • USB On-The-Go
    • Yes
    Bluetooth
    • 5.0
    • A2DP
    • LE
    • EDR
    • 5.0
    • A2DP
    • LE
    Music and Audio
    Music and Audio — specifications for RX17 Pro, Galaxy A21.
    SpecificationRX17 ProGalaxy A21
    Radio
    • No
    • FM radio
    Others
    • Active noise cancellation with dedicated mic
    		 Unknown
    Other features
    Other features — specifications for RX17 Pro, Galaxy A21.
    SpecificationRX17 ProGalaxy A21
    Dop
    • Sensors Fingerprint (under display)
    • accelerometer
    • proximity
    • compass - Fast battery charging 10V/5A 50W: 40% in 10 min - (SuperVOOC Flash Charge) - Also known as Oppo R17 Pro
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • proximity
    • compass - Fast charging 15W - Preliminary specifications

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