BLU J6 vs HTC U Ultra

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    U Ultra: 15 g lighter

    J6:
    185 g
    U Ultra:
    170 g
  • Width

    J6: 3.2 mm narrower

    J6:
    76.6 mm
    U Ultra:
    79.8 mm
  • Screen diagonal

    U Ultra: 0.3 in smaller diagonal

    J6:
    6 in
    U Ultra:
    5.7 in
  • Chipset

    J6:
    Mediatek MT6580 (28 nm)
    U Ultra:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Depth

    U Ultra: 1.1 mm thinner

    J6:
    9.1 mm
    U Ultra:
    8 mm
  • Height

    J6: 2.8 mm shorter

    J6:
    159.6 mm
    U Ultra:
    162.4 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. J6

    Height:
    159.6 mm
    Width:
    76.6 mm
    Depth:
    9.1 mm +1.1 mm versus U Ultra
  2. 2. U Ultra

    Height:
    162.4 mm +2.8 mm versus J6
    Width:
    79.8 mm +3.2 mm versus J6
    Depth:
    8 mm

Weight

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

  1. 1. J6

    185 g

    +15 g versus U Ultra

  2. 2. U Ultra

    170 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. J6

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²
  2. 2. U Ultra

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

J6 has approximately 3.7% more rectangular screen area than U Ultra.

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 J6, U Ultra, compared at the same storage capacity.
StorageJ6U Ultra
32 GB 1 GB RAM Unknown
U Ultra: Original memory entry

64/128 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. J6

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

2. U Ultra

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 512 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. J6

    2800 mAh

  2. 2. U Ultra

    3000 mAh

    +200 mAh versus J6

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. J62. U Ultra

Everyday essentials
Everyday essentials — specifications for J6, U Ultra.
SpecificationJ6U Ultra
Dimensions (HxWxD)
  • 159.6 Х 76.6 Х 9.1 mm
  • 162.4 Х 79.8 Х 8 mm
Weight
  • 185 g
  • 170 g
Technology
  • IPS LCD
  • Super LCD5
Screen size
  • 6" inch
  • 5.7" inch
Screen resolution
  • 720 x 1440 px
  • 1440 x 2560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 64/128 GB
  • 512GB 4GB
Memory card support
  • microSDXC
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2800 mAh
  • Removable Li-Po
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 7.0 (Nougat)
  • upgradable to Android 8.0 (Oreo)
Chipset
  • Mediatek MT6580 (28 nm)
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for J6, U Ultra.
SpecificationJ6U Ultra
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 92.9 cm2
  • 90.3 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 76.0%
  • 69.7%
PPI /points per inch/
  • 268 PPI
  • 513 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5 (64 GB version)Sapphire crystal glass (128 GB version)
Camera and Video
Camera and Video — specifications for J6, U Ultra.
SpecificationJ6U Ultra
Rear camera, main
  • 8 MP
  • Single
  • 12 MP
  • Single
Camera specs
  • 8 MP
  • (wide)
  • 1/5.0''
  • 1.12µm
  • AF
  • 12 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.3''
  • 1.55µm
  • OIS
  • PDAF & laser AF
Functions
  • LED flash
  • Auto-HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 8 MP
  • 16 MP
Performance

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

Performance — specifications for J6, U Ultra.
SpecificationJ6U Ultra
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
Graphics processor GPU
  • Mali-400
  • Adreno 530
Antutu 7 score * Unknown
  • 168385
GeekBench 4 Single Core * Unknown
  • 1662
GeekBench 4 Multi-Core * Unknown
  • 3920
GeekBench 4 RenderScript * Unknown
  • 7174
GeekBench 5 Single Core * Unknown
  • 302
GeekBench 5 Multi-Core * Unknown
  • 795
General specs
General specs — specifications for J6, U Ultra.
SpecificationJ6U Ultra
Release date
  • 2019
  • December
  • 2017
  • January
Colors
  • Blue
  • Black
  • Brown
  • Brilliant Black
  • Cosmetic Pink
  • Ice White
  • Sapphire Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 250 EUR
Battery life Unknown
  • Stand by time- Up to 312 h (3G) Talking time- Up to 26 h (3G)
Body build Unknown
  • Front/back glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for J6, U Ultra.
SpecificationJ6U Ultra
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 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/50 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
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 3.1
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for J6, U Ultra.
SpecificationJ6U Ultra
Radio
  • FM radio
  • No
Others Unknown
  • Secondary display
  • 160 x 1040 pixels
  • 2 inches
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for J6, U Ultra.
SpecificationJ6U Ultra
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For USA
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - Also known as HTC Ocean Note