Motorola A728 vs Oppo R17

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.

  • Weight

    A728: 62 g lighter

    A728:
    120 g
    R17:
    182 g
  • Width

    A728: 21.9 mm narrower

    A728:
    53 mm
    R17:
    74.9 mm
  • Rear camera layout

    A728:
    Single
    R17:
    Dual
  • Depth

    R17: 13.5 mm thinner

    A728:
    21 mm
    R17:
    7.5 mm
  • Height

    A728: 56.5 mm shorter

    A728:
    101 mm
    R17:
    157.5 mm
  • Release year

    A728:
    2005
    R17:
    2018

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. A728

    Height:
    101 mm
    Width:
    53 mm
    Depth:
    21 mm +13.5 mm versus R17
  2. 2. R17

    Height:
    157.5 mm +56.5 mm versus A728
    Width:
    74.9 mm +21.9 mm versus A728
    Depth:
    7.5 mm

Weight

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

  1. 1. A728

    120 g

  2. 2. R17

    182 g

    +62 g versus A728

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. A728

    A728: Screen geometry unavailable or conflicting.

  2. 2. R17

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    102.2 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 A728, R17, compared at the same storage capacity.
StorageA728R17
128 GB Unknown 8 GB RAM
A728: Original memory entry

8 MB

Practical features

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

1. A728

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

2. R17

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

Battery capacity

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

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. A7282. R17

Everyday essentials
Everyday essentials — specifications for A728, R17.
SpecificationA728R17
Dimensions (HxWxD)
  • 101 Х 53 Х 21 mm
  • 157.5 Х 74.9 Х 7.5 mm
Weight
  • 120 g
  • 182 g
Technology
  • TFT
  • AMOLED
Screen size
  • 0" inch
  • 6.4" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 MB
  • 128 GB
  • 8 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 3500 mAh
  • Non-removable Li-Po
Operating system OS
  • Linux
  • Android 8.1 (Oreo); ColorOS 5.2
Chipset Unknown
  • Qualcomm SDM670 Snapdragon 670 (10 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for A728, R17.
SpecificationA728R17
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area Unknown
  • 102.2 cm2
Screen format
  • 4:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio Unknown
  • 86.7%
PPI /points per inch/
  • 0 PPI
  • 394 PPI
Screen protection Unknown
  • Corning Gorilla Glass 6
Camera and Video
Camera and Video — specifications for A728, R17.
SpecificationA728R17
Rear camera, main
  • 0.3 MP
  • Single
  • 16 MP
  • Dual
Camera specs Unknown
  • 16 MP
  • f/1.8
  • 25mm (wide)
  • 1/2.6''
  • 1.22µm
  • PDAF -5 MP
  • depth sensor
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 25 MP
  • Single
Specifications Unknown
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
Performance

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

Performance — specifications for A728, R17.
SpecificationA728R17
Processor CPU Unknown
  • Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU Unknown
  • Adreno 615
Antutu 7 score * Unknown
  • 175823
GeekBench 4 Single Core * Unknown
  • 1922
GeekBench 4 Multi-Core * Unknown
  • 4373
General specs
General specs — specifications for A728, R17.
SpecificationA728R17
Release date
  • 2005
  • July
  • 2018
  • August
Colors
  • Mr. black
  • Stream Blue
  • Neon purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 460 EUR
Communication and Connectivity
Communication and Connectivity — specifications for A728, R17.
SpecificationA728R17
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat15 800/150 Mbps
GPRS
  • Class 8
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • Proprietary
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • Yes
  • 4.2
  • A2DP
  • LE
  • EDR
Music and Audio
Music and Audio — specifications for A728, R17.
SpecificationA728R17
Radio
  • No
  • No
Others
  • Handwriting and speech recognition (Chi & Eng)
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A728, R17.
SpecificationA728R17
Dop
  • Infrared port - MP3 player -Organizer -Voice dial/memo
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: VOOC Flash Charge 5V/4A