O2 XDA Serra 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 Serra: 21 g lighter

    XDA Serra:
    165 g
    Ace2:
    186 g
  • Width

    XDA Serra: 24.4 mm narrower

    XDA Serra:
    51 mm
    Ace2:
    75.4 mm
  • Screen diagonal

    XDA Serra: 3.75 in smaller diagonal

    XDA Serra:
    2.8 in
    Ace2:
    6.55 in
  • Chipset

    XDA Serra:
    Qualcomm MSM7201A
    Ace2:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Rear camera layout

    XDA Serra:
    Single
    Ace2:
    Quad
  • Depth

    Ace2: 9.5 mm thinner

    XDA Serra:
    18.1 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 Serra

    Height:
    102 mm
    Width:
    51 mm
    Depth:
    18.1 mm +9.5 mm versus Ace2
  2. 2. Ace2

    Height:
    160 mm +58 mm versus XDA Serra
    Width:
    75.4 mm +24.4 mm versus XDA Serra
    Depth:
    8.6 mm

Weight

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

  1. 1. XDA Serra

    165 g

  2. 2. Ace2

    186 g

    +21 g versus XDA Serra

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 Serra

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 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 326.6% more rectangular screen area than XDA Serra.

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 Serra, Ace2, compared at the same storage capacity.
StorageXDA SerraAce2
128 GB Unknown 8 GB RAM
256 GB Unknown 8 / 12 GB RAM Alternative RAM configurations
XDA Serra: Original memory entry

288 MB RAM · 512 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 Serra

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

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 Serra

    1340 mAh

  2. 2. Ace2

    4000 mAh

    +2660 mAh versus XDA Serra

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 Serra2. Ace2

Everyday essentials
Everyday essentials — specifications for XDA Serra, Ace2.
SpecificationXDA SerraAce2
Dimensions (HxWxD)
  • 102 Х 51 Х 18.1 mm
  • 160 Х 75.4 Х 8.6 mm
Weight
  • 165 g
  • 186 g
Technology
  • TFT
  • AMOLED
Screen size
  • 2.8" inch
  • 6.55" inch
Screen resolution
  • 480 x 640 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 288 MB RAM
  • 512 MB ROM
  • 128GB 8GB RAM
  • 256GB 8GB RAM
  • 256GB 12GB RAM
Memory card support
  • microSD (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1340 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 10.0; ColorOS 7.1
Chipset
  • Qualcomm MSM7201A
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
NFC Unknown
  • Yes
Headphone jack
  • No
  • No
Display
Display — specifications for XDA Serra, Ace2.
SpecificationXDA SerraAce2
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 103.6 cm2
Screen format
  • 4:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 46.7%
  • 85.9%
PPI /points per inch/
  • 286 PPI
  • 402 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for XDA Serra, Ace2.
SpecificationXDA SerraAce2
Rear camera, main
  • 3.15 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 3.15 MP
  • AF
  • 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
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA videocall camera
  • 16 MP
  • f/2.4
  • 29mm (wide)
  • 1/3.1''
  • 1.0µm
Performance
Performance — specifications for XDA Serra, Ace2.
SpecificationXDA SerraAce2
Processor CPU
  • 528 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 Serra, Ace2.
SpecificationXDA SerraAce2
Release date
  • 2008
  • July
  • 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 406 h Talking time- Up to 8 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 Serra, Ace2.
SpecificationXDA SerraAce2
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 7.2/0.384 Mbps
  • HSPA
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • 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
  • A2DP
  • 5.1
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for XDA Serra, Ace2.
SpecificationXDA SerraAce2
Radio
  • Stereo FM radio
  • RDS
Unknown
Others
  • Handwriting recognition
  • 500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate
Other features
Other features — specifications for XDA Serra, Ace2.
SpecificationXDA SerraAce2
Dop
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input
  • 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