Oppo R811 Real vs Samsung DoubleTime I857

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

    R811 Real: 29 g lighter

    R811 Real:
    119 g
    DoubleTime I857:
    148 g
  • Screen diagonal

    DoubleTime I857: 0.3 in smaller diagonal

    R811 Real:
    3.5 in
    DoubleTime I857:
    3.2 in
  • Chipset

    R811 Real:
    Mediatek MT6515
    DoubleTime I857:
    Qualcomm MSM7230
  • Depth

    R811 Real: 4.1 mm thinner

    R811 Real:
    10.9 mm
    DoubleTime I857:
    15 mm
  • Height

    DoubleTime I857: 2.2 mm shorter

    R811 Real:
    115.2 mm
    DoubleTime I857:
    113 mm
  • Release year

    R811 Real:
    2012
    DoubleTime I857:
    2011

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. R811 Real

    Height:
    115.2 mm +2.2 mm versus DoubleTime I857
    Width:
    61.5 mm
    Depth:
    10.9 mm
  2. 2. DoubleTime I857

    Height:
    113 mm
    Width:
    62 mm
    Depth:
    15 mm +4.1 mm versus R811 Real

Weight

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

  1. 1. R811 Real

    119 g

  2. 2. DoubleTime I857

    148 g

    +29 g versus R811 Real

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. R811 Real

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. DoubleTime I857

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 cm²

R811 Real has approximately 19.6% more rectangular screen area than DoubleTime I857.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

R811 Real: Original memory entry

4 GB · 512 MB RAM

DoubleTime I857: Original memory entry

260 MB · 256 MB 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. R811 Real

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. DoubleTime I857

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. R811 Real

    1520 mAh

    +320 mAh versus DoubleTime I857

  2. 2. DoubleTime I857

    1200 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. R811 Real2. DoubleTime I857

Everyday essentials
Everyday essentials — specifications for R811 Real, DoubleTime I857.
SpecificationR811 RealDoubleTime I857
Dimensions (HxWxD)
  • 115.2 Х 61.5 Х 10.9 mm
  • 113 Х 62 Х 15 mm
Weight
  • 119 g
  • 148 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 3.2" inch
Screen resolution
  • 320 x 480 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 260 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1520 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0.4 (Ice Cream Sandwich)
  • Android 2.2 (Froyo)
Chipset
  • Mediatek MT6515
  • Qualcomm MSM7230
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R811 Real, DoubleTime I857.
SpecificationR811 RealDoubleTime I857
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 36.5 cm2
  • 30.5 cm2
Screen format
  • 3:2 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 51.5%
  • 43.5%
PPI /points per inch/
  • 165 PPI
  • 180 PPI
Camera and Video
Camera and Video — specifications for R811 Real, DoubleTime I857.
SpecificationR811 RealDoubleTime I857
Rear camera, main
  • 3.15 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 3.15 MP
  • AF
Video
  • Yes
  • 320p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Performance
Performance — specifications for R811 Real, DoubleTime I857.
SpecificationR811 RealDoubleTime I857
Processor CPU
  • 1.0 GHz Cortex-A9
  • 800 MHz Scorpion
Graphics processor GPU
  • PowerVR SGX531
  • Adreno 205
General specs
General specs — specifications for R811 Real, DoubleTime I857.
SpecificationR811 RealDoubleTime I857
Release date
  • 2012
  • October
  • 2011
  • October
Colors
  • White
  • Black/White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 10 h
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for R811 Real, DoubleTime I857.
SpecificationR811 RealDoubleTime I857
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 7.2/2 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • Yes
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.54 W/kg (head) 0.97 W/kg (body)
Music and Audio
Music and Audio — specifications for R811 Real, DoubleTime I857.
SpecificationR811 RealDoubleTime I857
Radio
  • No
  • No
Others Unknown
  • Secondary TFT capacitive touchscreen (with multitouch)
  • 320 x 480 pixels
  • 3.2 inches
Other features
Other features — specifications for R811 Real, DoubleTime I857.
SpecificationR811 RealDoubleTime I857
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo/dial/commands -Predictive text input - For AT&T