Oppo R821T FInd Muse vs QMobile J7 Pro

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.

  • Width

    R821T FInd Muse: 13.1 mm narrower

    R821T FInd Muse:
    63.5 mm
    J7 Pro:
    76.6 mm
  • Screen diagonal

    R821T FInd Muse: 1.5 in smaller diagonal

    R821T FInd Muse:
    4 in
    J7 Pro:
    5.5 in
  • Chipset

    R821T FInd Muse:
    Mediatek MT6572 (28 nm)
    J7 Pro:
    Mediatek MT6737T (28 nm)
  • Depth

    J7 Pro: 0.7 mm thinner

    R821T FInd Muse:
    9.9 mm
    J7 Pro:
    9.2 mm
  • Height

    R821T FInd Muse: 31 mm shorter

    R821T FInd Muse:
    123 mm
    J7 Pro:
    154 mm
  • Release year

    R821T FInd Muse:
    2013
    J7 Pro:
    2017

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 +0.7 mm versus J7 Pro
    Weight:
    Unknown
  2. 2. J7 Pro

    Height:
    154 mm +31 mm versus R821T FInd Muse
    Width:
    76.6 mm +13.1 mm versus R821T FInd Muse
    Depth:
    9.2 mm
    Weight:
    175 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. J7 Pro

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²

J7 Pro has approximately 83.1% more rectangular screen area than R821T FInd Muse.

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 R821T FInd Muse, J7 Pro, compared at the same storage capacity.
StorageR821T FInd MuseJ7 Pro
32 GB Unknown 3 GB RAM
R821T FInd Muse: Original memory entry

4 GB · 512 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. R821T FInd Muse

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

2. J7 Pro

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.

Recorded battery capacity

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

  1. 1. R821T FInd Muse

    1700 mAh

  2. 2. J7 Pro

    3150 mAh

    +1450 mAh versus R821T FInd Muse

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. J7 Pro

Everyday essentials
Everyday essentials — specifications for R821T FInd Muse, J7 Pro.
SpecificationR821T FInd MuseJ7 Pro
Dimensions (HxWxD)
  • 123 Х 63.5 Х 9.9 mm
  • 154 Х 76.6 Х 9.2 mm
Weight
  • 0 g
  • 175 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Removable Li-Ion
  • 3150 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 6.0 (Marshmallow)
Chipset
  • Mediatek MT6572 (28 nm)
  • Mediatek MT6737T (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R821T FInd Muse, J7 Pro.
SpecificationR821T FInd MuseJ7 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 58.3%
  • 70.7%
PPI /points per inch/
  • 233 PPI
  • 267 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for R821T FInd Muse, J7 Pro.
SpecificationR821T FInd MuseJ7 Pro
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • 13 MP
  • PDAF
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP
Performance

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

Performance — specifications for R821T FInd Muse, J7 Pro.
SpecificationR821T FInd MuseJ7 Pro
Processor CPU
  • Dual-core 1.2 GHz Cortex-A7
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Mali-T720
Antutu 7 score * Unknown
  • 30262
GeekBench 4 Single Core * Unknown
  • 700
GeekBench 4 Multi-Core * Unknown
  • 3318
General specs
General specs — specifications for R821T FInd Muse, J7 Pro.
SpecificationR821T FInd MuseJ7 Pro
Release date
  • 2013
  • 2017
  • May
Colors
  • White
  • Gold
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 290 EUR
  • 18000 INR
Communication and Connectivity
Communication and Connectivity — specifications for R821T FInd Muse, J7 Pro.
SpecificationR821T FInd MuseJ7 Pro
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Micro-SIM
  • dual stand-by)
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 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • Yes
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for R821T FInd Muse, J7 Pro.
SpecificationR821T FInd MuseJ7 Pro
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for R821T FInd Muse, J7 Pro.
SpecificationR821T FInd MuseJ7 Pro
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass - For India