O2 XDA Stellar vs Oppo K1

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

    K1: 34 g lighter

    XDA Stellar:
    190 g
    K1:
    156 g
  • Width

    XDA Stellar: 16.5 mm narrower

    XDA Stellar:
    59 mm
    K1:
    75.5 mm
  • Screen diagonal

    XDA Stellar: 3.6 in smaller diagonal

    XDA Stellar:
    2.8 in
    K1:
    6.4 in
  • Chipset

    XDA Stellar:
    Qualcomm MSM7200
    K1:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    XDA Stellar:
    Single
    K1:
    Dual
  • Depth

    K1: 11.2 mm thinner

    XDA Stellar:
    18.6 mm
    K1:
    7.4 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. XDA Stellar

    Height:
    112 mm
    Width:
    59 mm
    Depth:
    18.6 mm +11.2 mm versus K1
  2. 2. K1

    Height:
    158.3 mm +46.3 mm versus XDA Stellar
    Width:
    75.5 mm +16.5 mm versus XDA Stellar
    Depth:
    7.4 mm

Weight

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

  1. 1. XDA Stellar

    190 g

    +34 g versus K1

  2. 2. K1

    156 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. XDA Stellar

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. K1

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

K1 has approximately 314.1% more rectangular screen area than XDA Stellar.

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.

XDA Stellar: Original memory entry

128 MB RAM · 256 MB ROM

K1: Original memory entry

64 GB · 4/6 GB 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. XDA Stellar

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD

2. K1

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. XDA Stellar

    1350 mAh

  2. 2. K1

    3600 mAh

    +2250 mAh versus XDA Stellar

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. XDA Stellar2. K1

Everyday essentials
Everyday essentials — specifications for XDA Stellar, K1.
SpecificationXDA StellarK1
Dimensions (HxWxD)
  • 112 Х 59 Х 18.6 mm
  • 158.3 Х 75.5 Х 7.4 mm
Weight
  • 190 g
  • 156 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2.8" inch
  • 6.4" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
  • 64 GB
  • 4/6 GB RAM
Memory card support
  • microSD
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 3600 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 8.1 (Oreo); ColorOS 5.2
Chipset
  • Qualcomm MSM7200
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stellar, K1.
SpecificationXDA StellarK1
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 101.0 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 36.7%
  • 84.5%
PPI /points per inch/
  • 143 PPI
  • 402 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for XDA Stellar, K1.
SpecificationXDA StellarK1
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 3.15 MP
  • AF
  • 16 MP
  • f/1.8
  • 1/2.8"
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • depth sensor
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 25 MP
  • Single
Specifications
  • VGA videocall camera
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
Performance

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

Performance — specifications for XDA Stellar, K1.
SpecificationXDA StellarK1
Processor CPU
  • 400 MHz ARM 11
  • Octa-core (4x2.0 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Adreno 130
  • Adreno 512
Antutu 7 score * Unknown
  • 140322
General specs
General specs — specifications for XDA Stellar, K1.
SpecificationXDA StellarK1
Release date
  • 2007
  • November
  • 2018
  • October
Colors
  • Silver
  • Blue
  • Red
  • Silver Green
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 210 EUR
Battery life
  • Stand by time- Up to 365 h Talking time- Up to 5 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stellar, K1.
SpecificationXDA StellarK1
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 а/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for XDA Stellar, K1.
SpecificationXDA StellarK1
Radio
  • No
  • No
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Stellar, K1.
SpecificationXDA StellarK1
Dop
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/2A 10W