Oppo R15 vs T-Mobile Sidekick

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: 47 g lighter

    R15:
    175 g
    Sidekick:
    128 g
  • Width

    Sidekick: 17.2 mm narrower

    R15:
    75.2 mm
    Sidekick:
    58 mm
  • Screen diagonal

    Sidekick: 3.68 in smaller diagonal

    R15:
    6.28 in
    Sidekick:
    2.6 in
  • Rear camera layout

    R15:
    Dual
    Sidekick:
    Single
  • Depth

    R15: 10.6 mm thinner

    R15:
    7.4 mm
    Sidekick:
    18 mm
  • Height

    Sidekick: 36.1 mm shorter

    R15:
    155.1 mm
    Sidekick:
    119 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. R15

    Height:
    155.1 mm +36.1 mm versus Sidekick
    Width:
    75.2 mm +17.2 mm versus Sidekick
    Depth:
    7.4 mm
  2. 2. Sidekick

    Height:
    119 mm
    Width:
    58 mm
    Depth:
    18 mm +10.6 mm versus R15

Weight

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

  1. 1. R15

    175 g

    +47 g versus Sidekick

  2. 2. Sidekick

    128 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. R15

    Screen diagonal:
    6.28 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    98.4 cm²
  2. 2. Sidekick

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

R15 has approximately 411.6% more rectangular screen area than Sidekick.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

R15: Original memory entry

128 GB · 4/6 GB RAM

Sidekick: Original memory entry

128 MB RAM · 64 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. R15

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. Sidekick

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD (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. R15

    3450 mAh

    +2420 mAh versus Sidekick

  2. 2. Sidekick

    1030 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. R152. Sidekick

Everyday essentials
Everyday essentials — specifications for R15, Sidekick.
SpecificationR15Sidekick
Dimensions (HxWxD)
  • 155.1 Х 75.2 Х 7.4 mm
  • 119 Х 58 Х 18 mm
Weight
  • 175 g
  • 128 g
Technology
  • AMOLED
  • TFT
Screen size
  • 6.28" inch
  • 2.6" inch
Screen resolution
  • 1080 x 2280 px
  • 240 x 400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 4/6 GB RAM
  • 128 MB RAM
  • 64 MB ROM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3450 mAh
  • Non-removable Li-Po
  • 1030 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5
  • Danger 4.7
Chipset
  • Mediatek MT6771 Helio P60 (12 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R15, Sidekick.
SpecificationR15Sidekick
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 98.9 cm2
  • 19.2 cm2
Screen format
  • 19:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 84.8%
  • 27.9%
PPI /points per inch/
  • 401 PPI
  • 179 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for R15, Sidekick.
SpecificationR15Sidekick
Rear camera, main
  • 16 MP
  • Dual
  • 1.3 MP
  • Single
Camera specs
  • 16 MP
  • f/1.7
  • 1/2.6''
  • 1.22µm
  • PDAF -5 MP
  • f/2.2
  • depth sensor
  • 1.3 MP
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 20 MP
  • Single
  • 0 MP,
Specifications
  • 20 MP
  • f/2.0
Unknown
Performance

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

Performance — specifications for R15, Sidekick.
SpecificationR15Sidekick
Processor CPU
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Unknown
Graphics processor GPU
  • Mali-G72 MP3
Unknown
Antutu 7 score *
  • 140520
Unknown
GeekBench 4 Single Core *
  • 1928
Unknown
GeekBench 4 Multi-Core *
  • 4904
Unknown
General specs
General specs — specifications for R15, Sidekick.
SpecificationR15Sidekick
Release date
  • 2018
  • March
  • 2008
  • July
Colors
  • Hot Red
  • Snow White
  • Star Purple
  • Fantasy Pink
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 460 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 216 h Talking time- Up to 5 h
Body build
  • Front glass
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for R15, Sidekick.
SpecificationR15Sidekick
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat13 600/100 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • miniUSB
Bluetooth
  • 4.2
  • A2DP
  • LE
  • EDR
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for R15, Sidekick.
SpecificationR15Sidekick
Radio
  • No
  • No
Others
  • Active noise cancellation with dedicated mic
  • Swivel display
Other features
Other features — specifications for R15, Sidekick.
SpecificationR15Sidekick
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: VOOC Flash Charge 5V/4A
  • MP3/WAV/WMA audio player -MP4 player -Voice memo -Predictive text input