Oppo R15 Pro vs Samsung i740

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

    i740: 80 g lighter

    R15 Pro:
    180 g
    i740:
    100 g
  • Width

    i740: 16.2 mm narrower

    R15 Pro:
    75.2 mm
    i740:
    59 mm
  • Screen diagonal

    i740: 3.48 in smaller diagonal

    R15 Pro:
    6.28 in
    i740:
    2.8 in
  • Rear camera layout

    R15 Pro:
    Dual
    i740:
    Single
  • Depth

    R15 Pro: 5.9 mm thinner

    R15 Pro:
    8 mm
    i740:
    13.9 mm
  • Height

    i740: 49.5 mm shorter

    R15 Pro:
    156.5 mm
    i740:
    107 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.

  1. 1. R15 Pro

    Height:
    156.5 mm +49.5 mm versus i740
    Width:
    75.2 mm +16.2 mm versus i740
    Depth:
    8 mm
  2. 2. i740

    Height:
    107 mm
    Width:
    59 mm
    Depth:
    13.9 mm +5.9 mm versus R15 Pro

Weight

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

  1. 1. R15 Pro

    180 g

    +80 g versus i740

  2. 2. i740

    100 g

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. R15 Pro

    Screen diagonal:
    6.28 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    98.4 cm²
  2. 2. i740

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²

R15 Pro has approximately 305.4% more rectangular screen area than i740.

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 R15 Pro, i740, compared at the same storage capacity.
StorageR15 Proi740
128 GB 6 GB RAM Unknown
i740: Original memory entry

64 MB RAM · 256 MB ROM

Practical features

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

1. R15 Pro

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

2. i740

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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. R15 Pro

    3430 mAh

    +1930 mAh versus i740

  2. 2. i740

    1500 mAh

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. R15 Pro2. i740

Everyday essentials
Everyday essentials — specifications for R15 Pro, i740.
SpecificationR15 Proi740
Dimensions (HxWxD)
  • 156.5 Х 75.2 Х 8 mm
  • 107 Х 59 Х 13.9 mm
Weight
  • 180 g
  • 100 g
Technology
  • AMOLED
  • TFT
Screen size
  • 6.28" inch
  • 2.8" inch
Screen resolution
  • 1080 x 2280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM
  • 64 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3430 mAh
  • Non-removable Li-Po
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for R15 Pro, i740.
SpecificationR15 Proi740
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 98.9 cm2
  • 24.3 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 84.1%
  • 38.5%
PPI /points per inch/
  • 401 PPI
  • 143 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for R15 Pro, i740.
SpecificationR15 Proi740
Rear camera, main
  • 16 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 16 MP
  • f/1.7
  • 25mm (wide)
  • 1/2.6''
  • 1.22µm
  • PDAF -20 MP
  • 1/2.8''
  • 1.0µm
  • 3.15 MP
  • AF
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 20 MP
  • Single
  • 0 MP,
Specifications
  • 20 MP
  • f/2.0
  • 20mm
Unknown
Performance

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

Performance — specifications for R15 Pro, i740.
SpecificationR15 Proi740
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • 624 MHz
Graphics processor GPU
  • Adreno 512
Unknown
Antutu 7 score *
  • 146822
Unknown
General specs
General specs — specifications for R15 Pro, i740.
SpecificationR15 Proi740
Release date
  • 2018
  • March
  • 2008
  • July
Colors
  • Ceramic Black
  • Dream Mirror Red
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 510 EUR
  • 140 EUR
Body build
  • Front glass
  • aluminum frame
  • ceramic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for R15 Pro, i740.
SpecificationR15 Proi740
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • 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)
  • 12(700)
  • 17(700)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • EDR
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.66 W/kg (head)
Music and Audio
Music and Audio — specifications for R15 Pro, i740.
SpecificationR15 Proi740
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for R15 Pro, i740.
SpecificationR15 Proi740
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: VOOC Flash Charge 5V/4A - IP67 dust/water resistant (up to 1m for 30 mins) - Also known as R15 Dream Mirror Edition in China with slightly different dimensions
  • MP3/eAAC+/WMA/AMR/RealAudio player -MP4/RealVideo/WMV/H.264 player -Organizer -Voice memo Optical joystick