BLU R2 Plus vs Parla Sonic 3.5S

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

    Sonic 3.5S: 69 g lighter

    R2 Plus:
    167 g
    Sonic 3.5S:
    98 g
  • Width

    Sonic 3.5S: 14 mm narrower

    R2 Plus:
    77 mm
    Sonic 3.5S:
    63 mm
  • Screen diagonal

    Sonic 3.5S: 2 in smaller diagonal

    R2 Plus:
    5.5 in
    Sonic 3.5S:
    3.5 in
  • Chipset

    R2 Plus:
    Mediatek MT6753 (28 nm)
    Sonic 3.5S:
    Spreadtrum 7715
  • Depth

    R2 Plus: 2.5 mm thinner

    R2 Plus:
    9.2 mm
    Sonic 3.5S:
    11.7 mm
  • Height

    Sonic 3.5S: 37.9 mm shorter

    R2 Plus:
    155.7 mm
    Sonic 3.5S:
    117.8 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 +37.9 mm versus Sonic 3.5S
    Width:
    77 mm +14 mm versus Sonic 3.5S
    Depth:
    9.2 mm
  2. 2. Sonic 3.5S

    Height:
    117.8 mm
    Width:
    63 mm
    Depth:
    11.7 mm +2.5 mm versus R2 Plus

Weight

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

  1. 1. R2 Plus

    167 g

    +69 g versus Sonic 3.5S

  2. 2. Sonic 3.5S

    98 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. Sonic 3.5S

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

R2 Plus has approximately 128.6% more rectangular screen area than Sonic 3.5S.

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, Sonic 3.5S, compared at the same storage capacity.
StorageR2 PlusSonic 3.5S
32 GB 3 GB RAM Unknown
Sonic 3.5S: Original memory entry

512 MB · 256 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. Sonic 3.5S

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

    +1700 mAh versus Sonic 3.5S

  2. 2. Sonic 3.5S

    1300 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. Sonic 3.5S

Everyday essentials
Everyday essentials — specifications for R2 Plus, Sonic 3.5S.
SpecificationR2 PlusSonic 3.5S
Dimensions (HxWxD)
  • 155.7 Х 77 Х 9.2 mm
  • 117.8 Х 63 Х 11.7 mm
Weight
  • 167 g
  • 98 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 3.5" inch
Screen resolution
  • 1080 x 1920 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 512 MB
  • 256 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
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 4.4 (KitKat)
Chipset
  • Mediatek MT6753 (28 nm)
  • Spreadtrum 7715
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R2 Plus, Sonic 3.5S.
SpecificationR2 PlusSonic 3.5S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 83.4 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 69.6%
  • 49.2%
PPI /points per inch/
  • 401 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for R2 Plus, Sonic 3.5S.
SpecificationR2 PlusSonic 3.5S
Rear camera, main
  • 13 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm
  • PDAF
  • 2 MP
  • AF
Functions
  • Dual-LED dual-tone flash
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 480p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 0 MP,
Specifications
  • 13 MP
Unknown
Performance

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

Performance — specifications for R2 Plus, Sonic 3.5S.
SpecificationR2 PlusSonic 3.5S
Processor CPU
  • Octa-core 1.3 GHz
  • 1.0 GHz Cortex-A7
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, Sonic 3.5S.
SpecificationR2 PlusSonic 3.5S
Release date
  • 2017
  • November
  • 2015
  • June
Colors
  • Black
  • Gold
  • Black
  • 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)
  • Stand by time- Up to 171 h (3G) Talking time- Up to 3 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for R2 Plus, Sonic 3.5S.
SpecificationR2 PlusSonic 3.5S
SIM card
  • Dual SIM (Micro-SIM)
  • Dual SIM (Mini-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 21.1/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • A-GPS only
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • EDR
Music and Audio
Music and Audio — specifications for R2 Plus, Sonic 3.5S.
SpecificationR2 PlusSonic 3.5S
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for R2 Plus, Sonic 3.5S.
SpecificationR2 PlusSonic 3.5S
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer