BLU J2 vs Oppo R11s

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

    J2:
    LCD
    R11s:
    OLED
  • Weight

    J2: 7 g lighter

    J2:
    146 g
    R11s:
    153 g
  • Width

    J2: 2.4 mm narrower

    J2:
    73.1 mm
    R11s:
    75.5 mm
  • Screen diagonal

    J2: 1.01 in smaller diagonal

    J2:
    5 in
    R11s:
    6.01 in
  • Rear camera layout

    J2:
    Single
    R11s:
    Dual
  • Depth

    R11s: 3.2 mm thinner

    J2:
    10.3 mm
    R11s:
    7.1 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. J2

    Height:
    144 mm
    Width:
    73.1 mm
    Depth:
    10.3 mm +3.2 mm versus R11s
  2. 2. R11s

    Height:
    155.1 mm +11.1 mm versus J2
    Width:
    75.5 mm +2.4 mm versus J2
    Depth:
    7.1 mm

Weight

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

  1. 1. J2

    146 g

  2. 2. R11s

    153 g

    +7 g versus J2

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. J2

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. R11s

    Screen diagonal:
    6.01 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    93.2 cm²

R11s has approximately 35.2% more rectangular screen area than J2.

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 J2, R11s, compared at the same storage capacity.
StorageJ2R11s
32 GB 1 GB RAM Unknown
R11s: Original memory entry

64 GB · 512GB 4GB

Practical features

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

1. J2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

2. R11s

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. J2

    2000 mAh

  2. 2. R11s

    3200 mAh

    +1200 mAh versus J2

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. J22. R11s

Everyday essentials
Everyday essentials — specifications for J2, R11s.
SpecificationJ2R11s
Dimensions (HxWxD)
  • 144 Х 73.1 Х 10.3 mm
  • 155.1 Х 75.5 Х 7.1 mm
Weight
  • 146 g
  • 153 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5" inch
  • 6.01" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSDXC
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Po
  • 3200 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 7.1.1 (Nougat); ColorOS 3.2
Chipset Unknown
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J2, R11s.
SpecificationJ2R11s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 93.7 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 65.4%
  • 80.0%
PPI /points per inch/
  • 196 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for J2, R11s.
SpecificationJ2R11s
Rear camera, main
  • 5 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 5 MP
  • 16 MP
  • f/1.7
  • 1/2.8''
  • 1.12µm
  • PDAF -20 MP
  • 1.0µm
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 5 MP
  • 20 MP
  • f/2.0
Performance

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

Performance — specifications for J2, R11s.
SpecificationJ2R11s
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Mali-400
  • Adreno 512
Antutu 7 score * Unknown
  • 138457
GeekBench 4 Single Core * Unknown
  • 1589
GeekBench 4 Multi-Core * Unknown
  • 5816
General specs
General specs — specifications for J2, R11s.
SpecificationJ2R11s
Release date
  • 2019
  • December
  • 2017
  • October
Colors
  • Blue
  • Black
  • Brown
  • Red
  • Black
  • Champagne
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 450 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for J2, R11s.
SpecificationJ2R11s
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-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 CDMA 800 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO & TD-SCDMA -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - R11s LTE band 1(2100)
  • 7(2600)
  • 41(2500) - R11st
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
  • EDR
Music and Audio
Music and Audio — specifications for J2, R11s.
SpecificationJ2R11s
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for J2, R11s.
SpecificationJ2R11s
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: VOOC Flash Charge 5V/4A