O2 XDA Stealth vs Oppo A12

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

    XDA Stealth: 25 g lighter

    XDA Stealth:
    140 g
    A12:
    165 g
  • Width

    XDA Stealth: 22.5 mm narrower

    XDA Stealth:
    53 mm
    A12:
    75.5 mm
  • Screen diagonal

    XDA Stealth: 3.82 in smaller diagonal

    XDA Stealth:
    2.4 in
    A12:
    6.22 in
  • Rear camera layout

    XDA Stealth:
    Single
    A12:
    Dual
  • Depth

    A12: 14.2 mm thinner

    XDA Stealth:
    22.5 mm
    A12:
    8.3 mm
  • Height

    XDA Stealth: 45.9 mm shorter

    XDA Stealth:
    110 mm
    A12:
    155.9 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 Stealth

    Height:
    110 mm
    Width:
    53 mm
    Depth:
    22.5 mm +14.2 mm versus A12
  2. 2. A12

    Height:
    155.9 mm +45.9 mm versus XDA Stealth
    Width:
    75.5 mm +22.5 mm versus XDA Stealth
    Depth:
    8.3 mm

Weight

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

  1. 1. XDA Stealth

    140 g

  2. 2. A12

    165 g

    +25 g versus XDA Stealth

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 Stealth

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²
  2. 2. A12

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

A12 has approximately 441.4% more rectangular screen area than XDA Stealth.

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 Stealth, A12, compared at the same storage capacity.
StorageXDA StealthA12
32 GB Unknown 3 GB RAM
64 GB Unknown 4 GB RAM
XDA Stealth: Original memory entry

64 MB RAM · 192 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 Stealth

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

2. A12

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

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 Stealth

    1300 mAh

  2. 2. A12

    4230 mAh

    +2930 mAh versus XDA Stealth

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 Stealth2. A12

Everyday essentials
Everyday essentials — specifications for XDA Stealth, A12.
SpecificationXDA StealthA12
Dimensions (HxWxD)
  • 110 Х 53 Х 22.5 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 140 g
  • 165 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.4" inch
  • 6.22" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 192 MB ROM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • miniSD
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Po
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stealth, A12.
SpecificationXDA StealthA12
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 17.8 cm2
  • 96.6 cm2
Screen format
  • 4:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 30.6%
  • 82.0%
PPI /points per inch/
  • 167 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for XDA Stealth, A12.
SpecificationXDA StealthA12
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 2 MP
  • AF
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance
Performance — specifications for XDA Stealth, A12.
SpecificationXDA StealthA12
Processor CPU
  • Intel XScale PXA 272 416 MHz
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU Unknown
  • PowerVR GE8320
General specs
General specs — specifications for XDA Stealth, A12.
SpecificationXDA StealthA12
Release date
  • 2006
  • September
  • 2020
  • April 20
Colors
  • Silver
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h 30 min
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stealth, A12.
SpecificationXDA StealthA12
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 1.2
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for XDA Stealth, A12.
SpecificationXDA StealthA12
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
  • 450 nits typ. brightness
Other features
Other features — specifications for XDA Stealth, A12.
SpecificationXDA StealthA12
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Predictive text input -Voice dial
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass