Oppo R821T FInd Muse vs Samsung Focus

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.

  • Display technology

    OLED versus LCD

    R821T FInd Muse:
    LCD
    Focus:
    OLED
  • Chipset

    R821T FInd Muse:
    Mediatek MT6572 (28 nm)
    Focus:
    Qualcomm QSD8250 Snapdragon S1
  • Release year

    R821T FInd Muse:
    2013
    Focus:
    2010

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. R821T FInd Muse

    Height:
    123 mm
    Width:
    63.5 mm
    Depth:
    9.9 mm
    Weight:
    Unknown
  2. 2. Focus

    Height:
    124.7 mm
    Width:
    64.3 mm
    Depth:
    9.9 mm
    Weight:
    119.4 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. R821T FInd Muse

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Focus

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 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.

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

R821T FInd Muse: Original memory entry

4 GB · 512 MB RAM

Focus: Original memory entry

8 GB · 512 MB RAM · 512 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. R821T FInd Muse

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

2. Focus

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. R821T FInd Muse

    1700 mAh

    +200 mAh versus Focus

  2. 2. Focus

    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. R821T FInd Muse2. Focus

Everyday essentials
Everyday essentials — specifications for R821T FInd Muse, Focus.
SpecificationR821T FInd MuseFocus
Dimensions (HxWxD)
  • 123 Х 63.5 Х 9.9 mm
  • 124.7 Х 64.3 Х 9.9 mm
Weight
  • 0 g
  • 119.4 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 4" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
  • 512 MB RAM
  • 512 MB ROM
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.
  • 1700 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Microsoft Windows Phone 7
Chipset
  • Mediatek MT6572 (28 nm)
  • Qualcomm QSD8250 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R821T FInd Muse, Focus.
SpecificationR821T FInd MuseFocus
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 58.3%
  • 56.8%
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for R821T FInd Muse, Focus.
SpecificationR821T FInd MuseFocus
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p@25fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for R821T FInd Muse, Focus.
SpecificationR821T FInd MuseFocus
Processor CPU
  • Dual-core 1.2 GHz Cortex-A7
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Mali-400
  • Adreno 200
General specs
General specs — specifications for R821T FInd Muse, Focus.
SpecificationR821T FInd MuseFocus
Release date
  • 2013
  • 2010
  • October
Colors
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 290 EUR
  • 90 EUR
Battery life Unknown
  • Stand by time- Up to 300 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for R821T FInd Muse, Focus.
SpecificationR821T FInd MuseFocus
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • Yes
  • 2.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.55 W/kg (head) 0.75 W/kg (body) SAR EU - 0.50 W/kg (head)
Music and Audio
Music and Audio — specifications for R821T FInd Muse, Focus.
SpecificationR821T FInd MuseFocus
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Other features
Other features — specifications for R821T FInd Muse, Focus.
SpecificationR821T FInd MuseFocus
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass - AT&T U-verse Mobile
  • NavigatorSM
  • FamilyMap
  • Radio
  • myWireless -Document viewer/editor -MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Voice memo -Predictive text input - For AT&T Previously rumored as Samsung i917 Cetus