O2 XDA Stellar vs Oppo R2001 Yoyo

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

    R2001 Yoyo: 45 g lighter

    XDA Stellar:
    190 g
    R2001 Yoyo:
    145 g
  • Width

    XDA Stellar: 10.5 mm narrower

    XDA Stellar:
    59 mm
    R2001 Yoyo:
    69.5 mm
  • Screen diagonal

    XDA Stellar: 1.9 in smaller diagonal

    XDA Stellar:
    2.8 in
    R2001 Yoyo:
    4.7 in
  • Chipset

    XDA Stellar:
    Qualcomm MSM7200
    R2001 Yoyo:
    Mediatek MT6582M (28 nm)
  • Depth

    R2001 Yoyo: 9.4 mm thinner

    XDA Stellar:
    18.6 mm
    R2001 Yoyo:
    9.2 mm
  • Height

    XDA Stellar: 26.5 mm shorter

    XDA Stellar:
    112 mm
    R2001 Yoyo:
    138.5 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 +9.4 mm versus R2001 Yoyo
  2. 2. R2001 Yoyo

    Height:
    138.5 mm +26.5 mm versus XDA Stellar
    Width:
    69.5 mm +10.5 mm versus XDA Stellar
    Depth:
    9.2 mm

Weight

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

  1. 1. XDA Stellar

    190 g

    +45 g versus R2001 Yoyo

  2. 2. R2001 Yoyo

    145 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. R2001 Yoyo

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²

R2001 Yoyo has approximately 150.8% 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.

Recorded RAM for XDA Stellar, R2001 Yoyo, compared at the same storage capacity.
StorageXDA StellarR2001 Yoyo
4 GB Unknown 1 GB RAM
XDA Stellar: Original memory entry

128 MB RAM · 256 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. XDA Stellar

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

2. R2001 Yoyo

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. R2001 Yoyo

    1900 mAh

    +550 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. R2001 Yoyo

Everyday essentials
Everyday essentials — specifications for XDA Stellar, R2001 Yoyo.
SpecificationXDA StellarR2001 Yoyo
Dimensions (HxWxD)
  • 112 Х 59 Х 18.6 mm
  • 138.5 Х 69.5 Х 9.2 mm
Weight
  • 190 g
  • 145 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 4.7" inch
Screen resolution
  • 240 x 320 px
  • 540 x 960 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
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 1900 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 4.2.1 (Jelly Bean)
Chipset
  • Qualcomm MSM7200
  • Mediatek MT6582M (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stellar, R2001 Yoyo.
SpecificationXDA StellarR2001 Yoyo
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 60.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 36.7%
  • 63.3%
PPI /points per inch/
  • 143 PPI
  • 234 PPI
Camera and Video
Camera and Video — specifications for XDA Stellar, R2001 Yoyo.
SpecificationXDA StellarR2001 Yoyo
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 5 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA videocall camera
  • 2 MP
Performance

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

Performance — specifications for XDA Stellar, R2001 Yoyo.
SpecificationXDA StellarR2001 Yoyo
Processor CPU
  • 400 MHz ARM 11
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Adreno 130
  • Mali-400MP2
Antutu 7 score * Unknown
  • 16115
General specs
General specs — specifications for XDA Stellar, R2001 Yoyo.
SpecificationXDA StellarR2001 Yoyo
Release date
  • 2007
  • November
  • 2014
  • May
Colors
  • Silver
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Battery life
  • Stand by time- Up to 365 h Talking time- Up to 5 h
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stellar, R2001 Yoyo.
SpecificationXDA StellarR2001 Yoyo
SIM card
  • Mini-SIM
  • Dual 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
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/11.5 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
Music and Audio
Music and Audio — specifications for XDA Stellar, R2001 Yoyo.
SpecificationXDA StellarR2001 Yoyo
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Stellar, R2001 Yoyo.
SpecificationXDA StellarR2001 Yoyo
Dop
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform
  • Sensors Accelerometer
  • proximity