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BLU R2 Plus vs Panasonic P51

Compare recorded specifications, size and practical differences.

BLU R2 Plus

BLU R2 Plus

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Panasonic P51

Panasonic P51

Replace P51
Remove P51
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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

    P51: 32 g lighter

    R2 Plus:
    167 g
    P51:
    135 g
  • Width

    P51: 2 mm narrower

    R2 Plus:
    77 mm
    P51:
    75 mm
  • Screen diagonal

    P51: 0.5 in smaller diagonal

    R2 Plus:
    5.5 in
    P51:
    5 in
  • Chipset

    R2 Plus:
    Mediatek MT6753 (28 nm)
    P51:
    Mediatek MT6589 (28 nm)
  • Depth

    P51: 0.7 mm thinner

    R2 Plus:
    9.2 mm
    P51:
    8.5 mm
  • Height

    P51: 11.7 mm shorter

    R2 Plus:
    155.7 mm
    P51:
    144 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.

Front
Front — relative 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. R2 Plus: height 155.7 mm; Width 77 mm. P51: height 144 mm; Width 75 mm. R2 Plus: 155.7 × 77 mm 1 P51: 144 × 75 mm 2
Side
Side — relative 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. R2 Plus: height 155.7 mm; Depth 9.2 mm. P51: height 144 mm; Depth 8.5 mm. R2 Plus: 155.7 × 9.2 mm 1 P51: 144 × 8.5 mm 2
  1. 1. R2 Plus

    Height:
    155.7 mm +11.7 mm versus P51
    Width:
    77 mm +2 mm versus P51
    Depth:
    9.2 mm +0.7 mm versus P51
    Weight:
    167 g
  2. 2. P51

    Height:
    144 mm
    Width:
    75 mm
    Depth:
    8.5 mm
    Weight:
    135 g

Weight

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

  1. 1. R2 Plus

    167 g

    +32 g versus P51

  2. 2. P51

    135 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.

Screen size
Relative rectangular screen sizes; numbers match the phone labels below 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. R2 Plus: screen diagonal 5.5 in; aspect ratio (height:width) 16:9; approximate rectangular area 83.4 cm². P51: screen diagonal 5 in; aspect ratio (height:width) 16:9; approximate rectangular area 68.9 cm². R2 Plus: 5.5 in, 16:9, About 83.4 cm² rectangular area 1 P51: 5 in, 16:9, About 68.9 cm² rectangular area 2
  1. 1. R2 Plus

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. P51

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

R2 Plus has approximately 21% more rectangular screen area than P51.

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, P51, compared at the same storage capacity.
StorageR2 PlusP51
4 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. P51

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated 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. R2 Plus

    3000 mAh

    +500 mAh versus P51

  2. 2. P51

    2500 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. P51

Everyday essentials
Everyday essentials — specifications for R2 Plus, P51.
SpecificationR2 PlusP51
Dimensions (HxWxD)
  • 155.7 Х 77 Х 9.2 mm
  • 144 Х 75 Х 8.5 mm
Weight
  • 167 g
  • 135 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1280 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
  • 1 GB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 2500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 4.2 (Jelly Bean)
Chipset
  • Mediatek MT6753 (28 nm)
  • Mediatek MT6589 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R2 Plus, P51.
SpecificationR2 PlusP51
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 69.6%
  • 63.8%
PPI /points per inch/
  • 401 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for R2 Plus, P51.
SpecificationR2 PlusP51
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm
  • PDAF
  • 8 MP
  • AF
Functions
  • Dual-LED dual-tone flash
  • LED flash
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 13 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 13 MP
  • 1.3 MP
Performance
Performance — specifications for R2 Plus, P51.
SpecificationR2 PlusP51
Processor CPU
  • Octa-core 1.3 GHz
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720
  • PowerVR SGX544
Antutu 7 score Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 38456
Unknown
GeekBench 4 Single Core Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 606
Unknown
GeekBench 4 Multi-Core Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 2464
Unknown
General specs
General specs — specifications for R2 Plus, P51.
SpecificationR2 PlusP51
Release date
  • 2017
  • November
  • 2013
  • May
Colors
  • Black
  • Gold
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 440 EUR
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, P51.
SpecificationR2 PlusP51
SIM card
  • Dual SIM (Micro-SIM)
  • Dual SIM (Micro-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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for R2 Plus, P51.
SpecificationR2 PlusP51
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for R2 Plus, P51.
SpecificationR2 PlusP51
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass