Asus ROG Phone 3 vs BLU Studio J2

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

    ROG Phone 3:
    OLED
    Studio J2:
    LCD
  • Weight

    Studio J2: 97 g lighter

    ROG Phone 3:
    240 g
    Studio J2:
    143 g
  • Width

    Studio J2: 5.1 mm narrower

    ROG Phone 3:
    78 mm
    Studio J2:
    72.9 mm
  • Screen diagonal

    Studio J2: 1.59 in smaller diagonal

    ROG Phone 3:
    6.59 in
    Studio J2:
    5 in
  • Rear camera layout

    ROG Phone 3:
    Triple
    Studio J2:
    Single
  • Depth

    ROG Phone 3: 0.5 mm thinner

    ROG Phone 3:
    9.9 mm
    Studio J2:
    10.4 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. ROG Phone 3

    Height:
    171 mm +26.1 mm versus Studio J2
    Width:
    78 mm +5.1 mm versus Studio J2
    Depth:
    9.9 mm
  2. 2. Studio J2

    Height:
    144.9 mm
    Width:
    72.9 mm
    Depth:
    10.4 mm +0.5 mm versus ROG Phone 3

Weight

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

  1. 1. ROG Phone 3

    240 g

    +97 g versus Studio J2

  2. 2. Studio J2

    143 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. ROG Phone 3

    Screen diagonal:
    6.59 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    106.6 cm²
  2. 2. Studio J2

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

ROG Phone 3 has approximately 54.7% more rectangular screen area than Studio 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 ROG Phone 3, Studio J2, compared at the same storage capacity.
StorageROG Phone 3Studio J2
128 GB 12 GB RAM Unknown
256 GB 12 GB RAM Unknown
512 GB 12 / 16 GB RAM Alternative RAM configurations Unknown
Studio J2: Original memory entry

8 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. ROG Phone 3

NFC:
Yes
Headphone jack:
No
Memory card support:
No

2. Studio J2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

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. ROG Phone 3

    6000 mAh

    +4000 mAh versus Studio J2

  2. 2. Studio J2

    2000 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. ROG Phone 32. Studio J2

Everyday essentials
Everyday essentials — specifications for ROG Phone 3, Studio J2.
SpecificationROG Phone 3Studio J2
Dimensions (HxWxD)
  • 171 Х 78 Х 9.9 mm
  • 144.9 Х 72.9 Х 10.4 mm
Weight
  • 240 g
  • 143 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 6.59" inc
  • 5" inch
Screen resolution
  • 1080 x 2340 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 12GB RAM
  • 256GB 12GB RAM
  • 512GB 12GB RAM
  • 512GB 16GB RAM
  • 8 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 6000 mAh
  • Non-removable Li-Po
  • 2000 mAh
  • Removable Li-Po
Operating system OS
  • Android 10
  • ROG UI
  • Android 6.0 (Marshmallow)
Chipset
  • - Qualcomm SM8250 Snapdragon 865+ (7 nm+)
  • Mediatek MT6570 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for ROG Phone 3, Studio J2.
SpecificationROG Phone 3Studio J2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 1B
  • 16M
Screen area
  • 106.6 cm2
  • 68.9 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 79.9%
  • 65.2%
PPI /points per inch/ Unknown
  • 196 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
Camera and Video
Camera and Video — specifications for ROG Phone 3, Studio J2.
SpecificationROG Phone 3Studio J2
Rear camera, main
  • 64 MP
  • Triple
  • 5 MP
  • Single
Camera specs
  • -64 MP
  • f/1.8
  • (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF -13 MP
  • f/2.4
  • 125˚
  • 11mm (ultrawide) -5 MP
  • f/2.0
  • (macro)
  • 5 MP
Functions
  • panorama
  • HDR
  • LED
Video
  • 8K@30fps
  • 4K@30/60/120fps
  • 1080p@30/60/240fps
  • 720p@480fps; gyro-EIS
  • 720p@30fps
Front camera, selfie
  • 24 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 24 MP
  • f/2.0
  • 27mm (wide)
  • 0.9μm
  • 2 MP
Performance

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

Performance — specifications for ROG Phone 3, Studio J2.
SpecificationROG Phone 3Studio J2
Processor CPU
  • - Octa-core (1x3.1 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • - Adreno 650
  • Mali-400
Antutu 7 score * Unknown
  • 11535
GeekBench 4 Single Core * Unknown
  • 390
GeekBench 4 Multi-Core * Unknown
  • 604
Antutu 8 score *
  • 632274
Unknown
General specs
General specs — specifications for ROG Phone 3, Studio J2.
SpecificationROG Phone 3Studio J2
Release date
  • 2020
  • July 22
  • 2017
  • May
Colors
  • Black
  • Black
  • Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 1000 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 650 h (2G) / Up to 550 h (3G) Talking time- Up to 24 h (2G) / Up to 12 h (3G)
Body build
  • Glass front (Gorilla Glass 6)
  • glass back (Gorilla Glass)
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for ROG Phone 3, Studio J2.
SpecificationROG Phone 3Studio J2
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - A versionHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - B version -4G - 1
  • 2
  • 3
  • 4
  • 5
  • 7
  • 8
  • 12
  • 13
  • 17
  • 18
  • 19
  • 20
  • 25
  • 26
  • 28
  • 29
  • 30
  • 32
  • 34
  • 38
  • 39
  • 40
  • 41
  • 42
  • 48
  • 66
  • 71 - A version -5G - 1
  • 71
  • 77
  • 78
  • 79 SA/NSA - A version 41
  • 79 SA/NSA - B version
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (6CA) Cat20 2000/150 Mbps
  • 5G 4.4 Gbps DL
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/6
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • GNSS
  • Yes
  • with A-GPS
USB
  • Two (side 3.1
  • bottom 2.0) Type-C 1.0 reversible connector; accessory connector
  • microUSB 2.0
Bluetooth
  • 5.1
  • A2DP
  • LE
  • aptX HD
  • aptX Adaptive
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for ROG Phone 3, Studio J2.
SpecificationROG Phone 3Studio J2
Radio Unknown
  • No
Others
  • - HDR10+ -144Hz refresh rate -650 nits max. brightness
  • - 24-bit/192kHz audio
Unknown
Other features
Other features — specifications for ROG Phone 3, Studio J2.
SpecificationROG Phone 3Studio J2
Dop
  • - Sensors - Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 30W -Quick Charge 4.0
  • 3.0 -Reverse charging 10W - RGB light panel -Pressure sensitive zones
  • Sensors Accelerometer