BLU J2 vs Lava Fuel F1

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

    Fuel F1: 1.1 mm narrower

    J2:
    73.1 mm
    Fuel F1:
    72 mm
  • Depth

    Fuel F1: 0.8 mm thinner

    J2:
    10.3 mm
    Fuel F1:
    9.5 mm
  • Height

    Fuel F1: 3 mm shorter

    J2:
    144 mm
    Fuel F1:
    141 mm
  • Release year

    J2:
    2019
    Fuel F1:
    2015

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 +3 mm versus Fuel F1
    Width:
    73.1 mm +1.1 mm versus Fuel F1
    Depth:
    10.3 mm +0.8 mm versus Fuel F1
  2. 2. Fuel F1

    Height:
    141 mm
    Width:
    72 mm
    Depth:
    9.5 mm

Weight

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

  1. 1. J2

    146 g

  2. 2. Fuel F1

    148 g

    +2 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. Fuel F1

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

Recorded RAM for J2, Fuel F1, compared at the same storage capacity.
StorageJ2Fuel F1
8 GB Not recorded 2 GB RAM
32 GB 1 GB RAM Not recorded

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. Fuel F1

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. J2

    2000 mAh

  2. 2. Fuel F1

    4000 mAh

    +2000 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. Fuel F1

Everyday essentials
Everyday essentials — specifications for J2, Fuel F1.
SpecificationJ2Fuel F1
Dimensions (HxWxD)
  • 144 Х 73.1 Х 10.3 mm
  • 141 Х 72 Х 9.5 mm
Weight
  • 146 g
  • 148 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 8 GB
  • 2 GB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Mediatek MT6580 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J2, Fuel F1.
SpecificationJ2Fuel F1
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.4%
  • 67.9%
PPI /points per inch/
  • 196 PPI
  • 196 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for J2, Fuel F1.
SpecificationJ2Fuel F1
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 5 MP
  • 2 MP
Performance
Performance — specifications for J2, Fuel F1.
SpecificationJ2Fuel F1
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • Mali-400MP2
General specs
General specs — specifications for J2, Fuel F1.
SpecificationJ2Fuel F1
Release date
  • 2019
  • December
  • 2015
  • September
Colors
  • Blue
  • Black
  • Brown
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 480 h (2G) / Up to 480 h (3G) Talking time- Up to 18 h (2G) / Up to 30 h 30 min (3G) Music play - Up to 72 h
Communication and Connectivity
Communication and Connectivity — specifications for J2, Fuel F1.
SpecificationJ2Fuel F1
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 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • 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 On-The-Go
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.61 W/kg (head) 0.60 W/kg (body)
Music and Audio
Music and Audio — specifications for J2, Fuel F1.
SpecificationJ2Fuel F1
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for J2, Fuel F1.
SpecificationJ2Fuel F1
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • proximity - For India