O2 XDA Stellar vs Oppo R7s

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

    R7s: 35 g lighter

    XDA Stellar:
    190 g
    R7s:
    155 g
  • Width

    XDA Stellar: 16.4 mm narrower

    XDA Stellar:
    59 mm
    R7s:
    75.4 mm
  • Screen diagonal

    XDA Stellar: 2.7 in smaller diagonal

    XDA Stellar:
    2.8 in
    R7s:
    5.5 in
  • Chipset

    XDA Stellar:
    Qualcomm MSM7200
    R7s:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Depth

    R7s: 11.6 mm thinner

    XDA Stellar:
    18.6 mm
    R7s:
    7 mm
  • Height

    XDA Stellar: 39.8 mm shorter

    XDA Stellar:
    112 mm
    R7s:
    151.8 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 +11.6 mm versus R7s
  2. 2. R7s

    Height:
    151.8 mm +39.8 mm versus XDA Stellar
    Width:
    75.4 mm +16.4 mm versus XDA Stellar
    Depth:
    7 mm

Weight

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

  1. 1. XDA Stellar

    190 g

    +35 g versus R7s

  2. 2. R7s

    155 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. R7s

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

R7s has approximately 243.5% 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

R7s: Original memory entry

32 GB · 512GB 4GB

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. R7s

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. R7s

    3070 mAh

    +1720 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. R7s

Everyday essentials
Everyday essentials — specifications for XDA Stellar, R7s.
SpecificationXDA StellarR7s
Dimensions (HxWxD)
  • 112 Х 59 Х 18.6 mm
  • 151.8 Х 75.4 Х 7 mm
Weight
  • 190 g
  • 155 g
Technology
  • TFT
  • AMOLED
Screen size
  • 2.8" inch
  • 5.5" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 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
  • 32 GB
  • 512GB 4GB
Memory card support
  • microSD
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 3070 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 5.1 (Lollipop); ColorOS 2.1
Chipset
  • Qualcomm MSM7200
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stellar, R7s.
SpecificationXDA StellarR7s
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 83.4 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 36.7%
  • 72.9%
PPI /points per inch/
  • 143 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for XDA Stellar, R7s.
SpecificationXDA StellarR7s
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 13 MP
  • PDAF
  • f/2.2
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA videocall camera
  • 8 MP
  • f/2.4
Performance

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

Performance — specifications for XDA Stellar, R7s.
SpecificationXDA StellarR7s
Processor CPU
  • 400 MHz ARM 11
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 130
  • Adreno 405
Antutu 7 score * Unknown
  • 31150
GeekBench 4 Single Core * Unknown
  • 773
GeekBench 4 Multi-Core * Unknown
  • 3742
General specs
General specs — specifications for XDA Stellar, R7s.
SpecificationXDA StellarR7s
Release date
  • 2007
  • November
  • 2015
  • October
Colors
  • Silver
  • Golden
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 260 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, R7s.
SpecificationXDA StellarR7s
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Nano-SIM/ Micro-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 -3G - HSDPA 850 / 900 / 1900 / 2100 - Global
  • Taiwan
  • USA -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 40(2300) - Global LTE band 1(2100)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Taiwan LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 17(700) - USA
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for XDA Stellar, R7s.
SpecificationXDA StellarR7s
Radio
  • No
  • No
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Stellar, R7s.
SpecificationXDA StellarR7s
Dop
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging: 75% in 30 min (VOOC Flash Charge)