BLU R2 Plus vs Celkon Millennia Hero

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.

  • Weight

    Millennia Hero: 54 g lighter

    R2 Plus:
    167 g
    Millennia Hero:
    113 g
  • Width

    Millennia Hero: 13 mm narrower

    R2 Plus:
    77 mm
    Millennia Hero:
    64 mm
  • Screen diagonal

    Millennia Hero: 1.5 in smaller diagonal

    R2 Plus:
    5.5 in
    Millennia Hero:
    4 in
  • Depth

    R2 Plus: 1.8 mm thinner

    R2 Plus:
    9.2 mm
    Millennia Hero:
    11 mm
  • Height

    Millennia Hero: 30.7 mm shorter

    R2 Plus:
    155.7 mm
    Millennia Hero:
    125 mm
  • Release year

    R2 Plus:
    2017
    Millennia Hero:
    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. R2 Plus

    Height:
    155.7 mm +30.7 mm versus Millennia Hero
    Width:
    77 mm +13 mm versus Millennia Hero
    Depth:
    9.2 mm
  2. 2. Millennia Hero

    Height:
    125 mm
    Width:
    64 mm
    Depth:
    11 mm +1.8 mm versus R2 Plus

Weight

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

  1. 1. R2 Plus

    167 g

    +54 g versus Millennia Hero

  2. 2. Millennia Hero

    113 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. R2 Plus

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

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

R2 Plus has approximately 83.1% more rectangular screen area than Millennia Hero.

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 R2 Plus, Millennia Hero, compared at the same storage capacity.
StorageR2 PlusMillennia Hero
8 GB Not recorded 1 GB RAM
32 GB 3 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. R2 Plus

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

2. Millennia Hero

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. R2 Plus

    3000 mAh

    +1300 mAh versus Millennia Hero

  2. 2. Millennia Hero

    1700 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. R2 Plus2. Millennia Hero

Everyday essentials
Everyday essentials — specifications for R2 Plus, Millennia Hero.
SpecificationR2 PlusMillennia Hero
Dimensions (HxWxD)
  • 155.7 Х 77 Х 9.2 mm
  • 125 Х 64 Х 11 mm
Weight
  • 167 g
  • 113 g
Technology
  • IPS LCD
Unknown
Screen size
  • 5.5" inch
  • 4" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 1700 mAh
  • Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6753 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R2 Plus, Millennia Hero.
SpecificationR2 PlusMillennia Hero
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 69.6%
  • 56.9%
PPI /points per inch/
  • 401 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for R2 Plus, Millennia Hero.
SpecificationR2 PlusMillennia Hero
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm
  • PDAF
  • 5 MP
Functions
  • Dual-LED dual-tone flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 3.2 MP
  • Single
Specifications
  • 13 MP
  • 3.2 MP
Performance

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

Performance — specifications for R2 Plus, Millennia Hero.
SpecificationR2 PlusMillennia Hero
Processor CPU
  • Octa-core 1.3 GHz
  • Quad-core 1.2 GHz
Graphics processor GPU
  • Mali-T720
Unknown
Antutu 7 score *
  • 38456
Unknown
GeekBench 4 Single Core *
  • 606
Unknown
GeekBench 4 Multi-Core *
  • 2464
Unknown
General specs
General specs — specifications for R2 Plus, Millennia Hero.
SpecificationR2 PlusMillennia Hero
Release date
  • 2017
  • November
  • 2015
  • August
Colors
  • Black
  • Gold
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
Battery life
  • Stand by time- Up to 725 h (2G) / Up to 625 h (3G) Talking time- Up to 26 h (2G) / Up to 16 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for R2 Plus, Millennia Hero.
SpecificationR2 PlusMillennia Hero
SIM card
  • Dual SIM (Micro-SIM)
  • Dual SIM
Network
  • 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)
  • 7(2600)
  • 12(700)
  • 17(700)
  • 28(700)
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.34 W/kg (head) 0.76 W/kg (body)
Music and Audio
Music and Audio — specifications for R2 Plus, Millennia Hero.
SpecificationR2 PlusMillennia Hero
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for R2 Plus, Millennia Hero.
SpecificationR2 PlusMillennia Hero
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer