O2 XDA Star vs Oppo Ace2

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: 66 g lighter

    XDA Star:
    120 g
    Ace2:
    186 g
  • Width

    XDA Star: 20.4 mm narrower

    XDA Star:
    55 mm
    Ace2:
    75.4 mm
  • Screen diagonal

    XDA Star: 3.95 in smaller diagonal

    XDA Star:
    2.6 in
    Ace2:
    6.55 in
  • Chipset

    XDA Star:
    Qualcomm MSM7200
    Ace2:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Rear camera layout

    XDA Star:
    Single
    Ace2:
    Quad
  • Depth

    Ace2: 7.2 mm thinner

    XDA Star:
    15.8 mm
    Ace2:
    8.6 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 +7.2 mm versus Ace2
  2. 2. Ace2

    Height:
    160 mm +53 mm versus XDA Star
    Width:
    75.4 mm +20.4 mm versus XDA Star
    Depth:
    8.6 mm

Weight

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

  1. 1. XDA Star

    120 g

  2. 2. Ace2

    186 g

    +66 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. Ace2

    Screen diagonal:
    6.55 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    103.6 cm²

Ace2 has approximately 394.8% 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, Ace2, compared at the same storage capacity.
StorageXDA StarAce2
128 GB Unknown 8 GB RAM
256 GB Unknown 8 / 12 GB RAM Alternative RAM configurations
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. Ace2

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

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. Ace2

    4000 mAh

    +2880 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. Ace2

Everyday essentials
Everyday essentials — specifications for XDA Star, Ace2.
SpecificationXDA StarAce2
Dimensions (HxWxD)
  • 107 Х 55 Х 15.8 mm
  • 160 Х 75.4 Х 8.6 mm
Weight
  • 120 g
  • 186 g
Technology
  • TFT
  • AMOLED
Screen size
  • 2.6" inch
  • 6.55" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2400 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
  • 128GB 8GB RAM
  • 256GB 8GB RAM
  • 256GB 12GB RAM
Memory card support
  • microSD
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1120 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 10.0; ColorOS 7.1
Chipset
  • Qualcomm MSM7200
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
NFC Unknown
  • Yes
Headphone jack
  • No
  • No
Display
Display — specifications for XDA Star, Ace2.
SpecificationXDA StarAce2
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 20.9 cm2
  • 103.6 cm2
Screen format
  • 4:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 35.6%
  • 85.9%
PPI /points per inch/
  • 154 PPI
  • 402 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for XDA Star, Ace2.
SpecificationXDA StarAce2
Rear camera, main
  • 2 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 2 MP
  • 48 MP
  • f/1.7
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm
  • AF -2 MP B/W
  • (depth) -2 MP
  • (depth)
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • CIF videocall camera
  • 16 MP
  • f/2.4
  • 29mm (wide)
  • 1/3.1''
  • 1.0µm
Performance
Performance — specifications for XDA Star, Ace2.
SpecificationXDA StarAce2
Processor CPU
  • 400 MHz ARM 11
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
Graphics processor GPU
  • Adreno 130
  • Adreno 650
General specs
General specs — specifications for XDA Star, Ace2.
SpecificationXDA StarAce2
Release date
  • 2007
  • October
  • 2020
  • April 13
Colors
  • Black
  • Aurora Silver
  • Moon Rock Grey
  • Fantasy Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 520 EUR
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 5 h
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for XDA Star, Ace2.
SpecificationXDA StarAce2
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 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China -5G - 5G band 1(2100)
  • 41(2500)
  • 78(3500)
  • 79(4700); SA/NSA - China
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/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • miniUSB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.1
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for XDA Star, Ace2.
SpecificationXDA StarAce2
Radio
  • No
Unknown
Others
  • TouchFLO finger swipe navigation -Handwriting recognition
  • 500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate
Other features
Other features — specifications for XDA Star, Ace2.
SpecificationXDA StarAce2
Dop
  • Pocket Office -Voice memo -MP3/AAC player HTC Nike platform
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 65W
  • 100% in 30 min (advertised) -SuperVOOC 2.0 -Fast wireless charging 40W
  • 100% in 56 min (advertised) -Wireless reverse charging 10W