O2 XDA Star 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 Star: 45 g lighter

    XDA Star:
    120 g
    A12:
    165 g
  • Width

    XDA Star: 20.5 mm narrower

    XDA Star:
    55 mm
    A12:
    75.5 mm
  • Screen diagonal

    XDA Star: 3.62 in smaller diagonal

    XDA Star:
    2.6 in
    A12:
    6.22 in
  • Chipset

    XDA Star:
    Qualcomm MSM7200
    A12:
    Mediatek MT6765 Helio P35 (12nm)
  • Rear camera layout

    XDA Star:
    Single
    A12:
    Dual
  • Depth

    A12: 7.5 mm thinner

    XDA Star:
    15.8 mm
    A12:
    8.3 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 Star

    Height:
    107 mm
    Width:
    55 mm
    Depth:
    15.8 mm +7.5 mm versus A12
  2. 2. A12

    Height:
    155.9 mm +48.9 mm versus XDA Star
    Width:
    75.5 mm +20.5 mm versus XDA Star
    Depth:
    8.3 mm

Weight

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

  1. 1. XDA Star

    120 g

  2. 2. A12

    165 g

    +45 g versus XDA Star

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 Star

    Screen diagonal:
    2.6 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    20.9 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 361.3% more rectangular screen area than XDA Star.

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 Star, A12, compared at the same storage capacity.
StorageXDA StarA12
32 GB Unknown 3 GB RAM
64 GB Unknown 4 GB RAM
XDA Star: Original memory entry

96 MB RAM · 128 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 Star

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

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 Star

    1120 mAh

  2. 2. A12

    4230 mAh

    +3110 mAh versus XDA Star

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 Star2. A12

Everyday essentials
Everyday essentials — specifications for XDA Star, A12.
SpecificationXDA StarA12
Dimensions (HxWxD)
  • 107 Х 55 Х 15.8 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 120 g
  • 165 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.6" 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.
  • 96 MB RAM
  • 128 MB ROM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSD
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 1120 mAh
  • Removable Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Qualcomm MSM7200
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Star, A12.
SpecificationXDA StarA12
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 20.9 cm2
  • 96.6 cm2
Screen format
  • 4:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 35.6%
  • 82.0%
PPI /points per inch/
  • 154 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for XDA Star, A12.
SpecificationXDA StarA12
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 2 MP
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • CIF videocall camera
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance
Performance — specifications for XDA Star, A12.
SpecificationXDA StarA12
Processor CPU
  • 400 MHz ARM 11
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 130
  • PowerVR GE8320
General specs
General specs — specifications for XDA Star, A12.
SpecificationXDA StarA12
Release date
  • 2007
  • October
  • 2020
  • April 20
Colors
  • Black
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 5 h
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for XDA Star, A12.
SpecificationXDA StarA12
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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • No
  • 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
  • 2.0
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for XDA Star, A12.
SpecificationXDA StarA12
Radio
  • No
  • FM radio
Others
  • TouchFLO finger swipe navigation -Handwriting recognition
  • 450 nits typ. brightness
Other features
Other features — specifications for XDA Star, A12.
SpecificationXDA StarA12
Dop
  • Pocket Office -Voice memo -MP3/AAC player HTC Nike platform
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass