Oppo R15x vs T-Mobile Comet

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

    Comet: 53.9 g lighter

    R15x:
    156 g
    Comet:
    102.1 g
  • Width

    Comet: 19.6 mm narrower

    R15x:
    75.5 mm
    Comet:
    55.9 mm
  • Screen diagonal

    Comet: 3.6 in smaller diagonal

    R15x:
    6.4 in
    Comet:
    2.8 in
  • Chipset

    R15x:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Comet:
    Qualcomm MSM7225 Snapdragon S1
  • Rear camera layout

    R15x:
    Dual
    Comet:
    Single
  • Depth

    R15x: 5.3 mm thinner

    R15x:
    7.4 mm
    Comet:
    12.7 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. R15x

    Height:
    158.3 mm +54.2 mm versus Comet
    Width:
    75.5 mm +19.6 mm versus Comet
    Depth:
    7.4 mm
  2. 2. Comet

    Height:
    104.1 mm
    Width:
    55.9 mm
    Depth:
    12.7 mm +5.3 mm versus R15x

Weight

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

  1. 1. R15x

    156 g

    +53.9 g versus Comet

  2. 2. Comet

    102.1 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. R15x

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²
  2. 2. Comet

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²

R15x has approximately 314.1% more rectangular screen area than Comet.

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 R15x, Comet, compared at the same storage capacity.
StorageR15xComet
128 GB 6 GB RAM Unknown

Practical features

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

1. R15x

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

2. Comet

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. R15x

    3600 mAh

    +2400 mAh versus Comet

  2. 2. Comet

    1200 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. R15x2. Comet

Everyday essentials
Everyday essentials — specifications for R15x, Comet.
SpecificationR15xComet
Dimensions (HxWxD)
  • 158.3 Х 75.5 Х 7.4 mm
  • 104.1 Х 55.9 Х 12.7 mm
Weight
  • 156 g
  • 102.1 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6.4" inch
  • 2.8" inch
Screen resolution
  • 1080 x 2340 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM
Unknown
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 2.2 (Froyo)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm MSM7225 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R15x, Comet.
SpecificationR15xComet
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 101.0 cm2
  • 24.3 cm2
Screen format
  • 19.5:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 84.5%
  • 41.7%
PPI /points per inch/
  • 402 PPI
  • 143 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for R15x, Comet.
SpecificationR15xComet
Rear camera, main
  • 16 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 16 MP
  • f/1.7
  • 1/2.8''
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
  • 3.15 MP
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • CIF
Front camera, selfie
  • 25 MP
  • Single
  • 0 MP,
Specifications
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
Unknown
Performance

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

Performance — specifications for R15x, Comet.
SpecificationR15xComet
Processor CPU
  • Octa-core (4x2.0 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • 528 MHz ARM 11
Graphics processor GPU
  • Adreno 512
  • No
Antutu 7 score *
  • 143726
Unknown
General specs
General specs — specifications for R15x, Comet.
SpecificationR15xComet
Release date
  • 2018
  • October
  • 2010
  • November
Colors
  • Nebula
  • Silver Green
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 150 EUR
Battery life Unknown
  • Stand by time- Up to 288 h Talking time- Up to 9 h
Communication and Connectivity
Communication and Connectivity — specifications for R15x, Comet.
SpecificationR15xComet
SIM card
  • 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 / 1700(AWS) / 2100 / 900 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 а/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for R15x, Comet.
SpecificationR15xComet
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for R15x, Comet.
SpecificationR15xComet
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/2A 10W - Incomplete preliminary specifications
  • Sensors Accelerometer MP3/WMA/eAAC+ player -MP4/H.264 player -Organizer -Photo viewer/editor -Voice memo/dial/commands -Predictive text input (Swype) For T-Mobile