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BLU R2 Plus vs Celkon Q450

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

    Q450: 20 g lighter

    R2 Plus:
    167 g
    Q450:
    147 g
  • Width

    Q450: 9.3 mm narrower

    R2 Plus:
    77 mm
    Q450:
    67.7 mm
  • Screen diagonal

    Q450: 1 in smaller diagonal

    R2 Plus:
    5.5 in
    Q450:
    4.5 in
  • Chipset

    R2 Plus:
    Mediatek MT6753 (28 nm)
    Q450:
    Spreadtrum 7731
  • Depth

    R2 Plus: 0.5 mm thinner

    R2 Plus:
    9.2 mm
    Q450:
    9.7 mm
  • Height

    Q450: 20.7 mm shorter

    R2 Plus:
    155.7 mm
    Q450:
    135 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. R2 Plus

    Height:
    155.7 mm +20.7 mm versus Q450
    Width:
    77 mm +9.3 mm versus Q450
    Depth:
    9.2 mm
  2. 2. Q450

    Height:
    135 mm
    Width:
    67.7 mm
    Depth:
    9.7 mm +0.5 mm versus R2 Plus

Weight

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

  1. 1. R2 Plus

    167 g

    +20 g versus Q450

  2. 2. Q450

    147 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. Q450

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

R2 Plus has approximately 44.7% more rectangular screen area than Q450.

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, Q450, compared at the same storage capacity.
StorageR2 PlusQ450
32 GB 3 GB RAM Unknown
Q450: Original memory entry

4 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. R2 Plus

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

2. Q450

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

    +1200 mAh versus Q450

  2. 2. Q450

    1800 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. Q450

Everyday essentials
Everyday essentials — specifications for R2 Plus, Q450.
SpecificationR2 PlusQ450
Dimensions (HxWxD)
  • 155.7 Х 77 Х 9.2 mm
  • 135 Х 67.7 Х 9.7 mm
Weight
  • 167 g
  • 147 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 4.5" 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
  • 4 GB
  • 512 MB 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
  • 1800 mAh
  • Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6753 (28 nm)
  • Spreadtrum 7731
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R2 Plus, Q450.
SpecificationR2 PlusQ450
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 57.6 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 69.6%
  • 63.1%
PPI /points per inch/
  • 401 PPI
  • 207 PPI
Camera and Video
Camera and Video — specifications for R2 Plus, Q450.
SpecificationR2 PlusQ450
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
  • 2 MP
  • Single
Specifications
  • 13 MP
  • 2 MP
Performance

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

Performance — specifications for R2 Plus, Q450.
SpecificationR2 PlusQ450
Processor CPU
  • Octa-core 1.3 GHz
  • Quad-core 1.2 GHz
Graphics processor GPU
  • Mali-T720
  • Mali-400
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, Q450.
SpecificationR2 PlusQ450
Release date
  • 2017
  • November
  • 2015
  • April
Colors
  • Black
  • Gold
  • Gold
  • White
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, Q450.
SpecificationR2 PlusQ450
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
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.74 W/kg (head) 0.67 W/kg (body)
Music and Audio
Music and Audio — specifications for R2 Plus, Q450.
SpecificationR2 PlusQ450
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for R2 Plus, Q450.
SpecificationR2 PlusQ450
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity