BLU R2 Plus vs T-Mobile Sidekick 4G

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

    Sidekick 4G: 5 g lighter

    R2 Plus:
    167 g
    Sidekick 4G:
    162 g
  • Width

    Sidekick 4G: 16 mm narrower

    R2 Plus:
    77 mm
    Sidekick 4G:
    61 mm
  • Screen diagonal

    Sidekick 4G: 2 in smaller diagonal

    R2 Plus:
    5.5 in
    Sidekick 4G:
    3.5 in
  • Depth

    R2 Plus: 5.8 mm thinner

    R2 Plus:
    9.2 mm
    Sidekick 4G:
    15 mm
  • Height

    Sidekick 4G: 28.7 mm shorter

    R2 Plus:
    155.7 mm
    Sidekick 4G:
    127 mm
  • Release year

    R2 Plus:
    2017
    Sidekick 4G:
    2011

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 +28.7 mm versus Sidekick 4G
    Width:
    77 mm +16 mm versus Sidekick 4G
    Depth:
    9.2 mm
  2. 2. Sidekick 4G

    Height:
    127 mm
    Width:
    61 mm
    Depth:
    15 mm +5.8 mm versus R2 Plus

Weight

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

  1. 1. R2 Plus

    167 g

    +5 g versus Sidekick 4G

  2. 2. Sidekick 4G

    162 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. Sidekick 4G

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

R2 Plus has approximately 139.2% more rectangular screen area than Sidekick 4G.

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, Sidekick 4G, compared at the same storage capacity.
StorageR2 PlusSidekick 4G
32 GB 3 GB RAM Unknown
Sidekick 4G: Original memory entry

1 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. Sidekick 4G

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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

    +1500 mAh versus Sidekick 4G

  2. 2. Sidekick 4G

    1500 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. Sidekick 4G

Everyday essentials
Everyday essentials — specifications for R2 Plus, Sidekick 4G.
SpecificationR2 PlusSidekick 4G
Dimensions (HxWxD)
  • 155.7 Х 77 Х 9.2 mm
  • 127 Х 61 Х 15 mm
Weight
  • 167 g
  • 162 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 3.5" 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
  • 1 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 2.2 (Froyo)
Chipset
  • Mediatek MT6753 (28 nm)
  • Hummingbird
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R2 Plus, Sidekick 4G.
SpecificationR2 PlusSidekick 4G
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 34.9 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 69.6%
  • 45.0%
PPI /points per inch/
  • 401 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for R2 Plus, Sidekick 4G.
SpecificationR2 PlusSidekick 4G
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm
  • PDAF
  • 3.15 MP
  • AF
Functions
  • Dual-LED dual-tone flash
Unknown
Video
  • 1080p@30fps
  • 480p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 13 MP
  • VGA
Performance

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

Performance — specifications for R2 Plus, Sidekick 4G.
SpecificationR2 PlusSidekick 4G
Processor CPU
  • Octa-core 1.3 GHz
  • 1.0 GHz Cortex-A8
Graphics processor GPU
  • Mali-T720
  • PowerVR SGX540
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, Sidekick 4G.
SpecificationR2 PlusSidekick 4G
Release date
  • 2017
  • November
  • 2011
  • March
Colors
  • Black
  • Gold
  • Matte Black
  • Pearl magenta
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 310 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)
  • Stand by time- Up to 456 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for R2 Plus, Sidekick 4G.
SpecificationR2 PlusSidekick 4G
SIM card
  • Dual SIM (Micro-SIM)
  • Mini-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
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.34 W/kg (head) 0.96 W/kg (body)
Music and Audio
Music and Audio — specifications for R2 Plus, Sidekick 4G.
SpecificationR2 PlusSidekick 4G
Radio
  • FM radio
  • Nо
Other features
Other features — specifications for R2 Plus, Sidekick 4G.
SpecificationR2 PlusSidekick 4G
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity - T-Mobile TV -MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -ThinkFree Office document editor
  • PDF viewer -Voice memo -Predictive text input - Optical trackpad - Also known as T-Mobile T839 Sidekick 4G