Motorola DROID Ultra vs O2 XDA Stellar

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

    DROID Ultra: 53 g lighter

    DROID Ultra:
    137 g
    XDA Stellar:
    190 g
  • Width

    XDA Stellar: 12.2 mm narrower

    DROID Ultra:
    71.2 mm
    XDA Stellar:
    59 mm
  • Screen diagonal

    XDA Stellar: 2.2 in smaller diagonal

    DROID Ultra:
    5 in
    XDA Stellar:
    2.8 in
  • Chipset

    DROID Ultra:
    Qualcomm Snapdragon S4 Pro
    XDA Stellar:
    Qualcomm MSM7200
  • Depth

    DROID Ultra: 11.4 mm thinner

    DROID Ultra:
    7.2 mm
    XDA Stellar:
    18.6 mm
  • Height

    XDA Stellar: 25.5 mm shorter

    DROID Ultra:
    137.5 mm
    XDA Stellar:
    112 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. DROID Ultra

    Height:
    137.5 mm +25.5 mm versus XDA Stellar
    Width:
    71.2 mm +12.2 mm versus XDA Stellar
    Depth:
    7.2 mm
  2. 2. XDA Stellar

    Height:
    112 mm
    Width:
    59 mm
    Depth:
    18.6 mm +11.4 mm versus DROID Ultra

Weight

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

  1. 1. DROID Ultra

    137 g

  2. 2. XDA Stellar

    190 g

    +53 g versus DROID Ultra

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. DROID Ultra

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. XDA Stellar

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

DROID Ultra has approximately 183.9% 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 DROID Ultra, XDA Stellar, compared at the same storage capacity.
StorageDROID UltraXDA Stellar
16 GB 2 GB RAM Unknown
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. DROID Ultra

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

2. XDA Stellar

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

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. DROID Ultra

    2130 mAh

    +780 mAh versus XDA Stellar

  2. 2. XDA Stellar

    1350 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. DROID Ultra2. XDA Stellar

Everyday essentials
Everyday essentials — specifications for DROID Ultra, XDA Stellar.
SpecificationDROID UltraXDA Stellar
Dimensions (HxWxD)
  • 137.5 Х 71.2 Х 7.2 mm
  • 112 Х 59 Х 18.6 mm
Weight
  • 137 g
  • 190 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 5" inch
  • 2.8" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • No
  • microSD
Battery Capacity is not battery life. No endurance test is implied.
  • 2130 mAh
  • Non-removable Li-Ion
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • upgradable to 5.0 (Lollipop)
  • Microsoft Windows Mobile 6.0 Professional
Chipset
  • Qualcomm Snapdragon S4 Pro
  • Qualcomm MSM7200
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for DROID Ultra, XDA Stellar.
SpecificationDROID UltraXDA Stellar
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 68.9 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 70.4%
  • 36.7%
PPI /points per inch/
  • 294 PPI
  • 143 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for DROID Ultra, XDA Stellar.
SpecificationDROID UltraXDA Stellar
Rear camera, main
  • 10 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 10 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
  • VGA videocall camera
Performance

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

Performance — specifications for DROID Ultra, XDA Stellar.
SpecificationDROID UltraXDA Stellar
Processor CPU
  • Dual-core 1.7 GHz Krait
  • 400 MHz ARM 11
Graphics processor GPU
  • Adreno 320
  • Adreno 130
Antutu 7 score *
  • 3330
Unknown
GeekBench 4 Single Core *
  • 667
Unknown
GeekBench 4 Multi-Core *
  • 1268
Unknown
General specs
General specs — specifications for DROID Ultra, XDA Stellar.
SpecificationDROID UltraXDA Stellar
Release date
  • 2013
  • July
  • 2007
  • November
Colors
  • Black
  • Red
  • White
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
Unknown
Battery life
  • Stand by time- Up to 312 h Talking time- Up to 28 h
  • Stand by time- Up to 365 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for DROID Ultra, XDA Stellar.
SpecificationDROID UltraXDA Stellar
SIM card
  • Nano-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - CDMA 800 / 1900 GSM 850 / 900 / 1800 / 1900 -3G - CDMA2000 1xEV-DO HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 4(1700/2100)
  • 13(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • EV-DO Rev.A 3.1 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Class 12
  • Class 10
Edge
  • Class 12
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • hotspot
  • DLNA
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • LE
  • aptX
  • 2.0
Harmful irradiation
  • SAR - 1.54 W/kg (head) 0.32 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for DROID Ultra, XDA Stellar.
SpecificationDROID UltraXDA Stellar
Radio
  • No
  • No
Others
  • Active noise cancellation with dedicated mic
  • Handwriting recognition
Other features
Other features — specifications for DROID Ultra, XDA Stellar.
SpecificationDROID UltraXDA Stellar
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Splash resistant - For Verizon
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform