HTC One A9 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

    One A9: 47 g lighter

    One A9:
    143 g
    XDA Stellar:
    190 g
  • Width

    XDA Stellar: 11.8 mm narrower

    One A9:
    70.8 mm
    XDA Stellar:
    59 mm
  • Screen diagonal

    XDA Stellar: 2.2 in smaller diagonal

    One A9:
    5 in
    XDA Stellar:
    2.8 in
  • Chipset

    One A9:
    Qualcomm MSM8952 Snapdragon 617 (28 nm)
    XDA Stellar:
    Qualcomm MSM7200
  • Depth

    One A9: 11.3 mm thinner

    One A9:
    7.3 mm
    XDA Stellar:
    18.6 mm
  • Height

    XDA Stellar: 33.8 mm shorter

    One A9:
    145.8 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. One A9

    Height:
    145.8 mm +33.8 mm versus XDA Stellar
    Width:
    70.8 mm +11.8 mm versus XDA Stellar
    Depth:
    7.3 mm
  2. 2. XDA Stellar

    Height:
    112 mm
    Width:
    59 mm
    Depth:
    18.6 mm +11.3 mm versus One A9

Weight

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

  1. 1. One A9

    143 g

  2. 2. XDA Stellar

    190 g

    +47 g versus One A9

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. One A9

    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

One A9 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

One A9: Original memory entry

16 GB · 2 GB RAM32 GB · 3 GB RAM

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. One A9

NFC:
See details Yes (payments only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

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. One A9

    2150 mAh

    +800 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. One A92. XDA Stellar

Everyday essentials
Everyday essentials — specifications for One A9, XDA Stellar.
SpecificationOne A9XDA Stellar
Dimensions (HxWxD)
  • 145.8 Х 70.8 Х 7.3 mm
  • 112 Х 59 Х 18.6 mm
Weight
  • 143 g
  • 190 g
Technology
  • AMOLED
  • TFT
Screen size
  • 5" inch
  • 2.8" inch
Screen resolution
  • 1080 x 1920 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 RAM32 GB
  • 3 GB RAM
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
Battery Capacity is not battery life. No endurance test is implied.
  • 2150 mAh
  • Non-removable Li-Ion
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • upgradable to 7.0 (Nougat); Sense UI
  • Microsoft Windows Mobile 6.0 Professional
Chipset
  • Qualcomm MSM8952 Snapdragon 617 (28 nm)
  • Qualcomm MSM7200
NFC
  • Yes (payments only)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for One A9, XDA Stellar.
SpecificationOne A9XDA 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
  • 66.8%
  • 36.7%
PPI /points per inch/
  • 441 PPI
  • 143 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for One A9, XDA Stellar.
SpecificationOne A9XDA Stellar
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • OIS
  • AF
  • 3.15 MP
  • AF
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 4 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 4 MP
  • f/2.0
  • 27mm (wide)
  • 1/3''
  • 2µm
  • VGA videocall camera
Performance

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

Performance — specifications for One A9, XDA Stellar.
SpecificationOne A9XDA Stellar
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)
  • 400 MHz ARM 11
Graphics processor GPU
  • Adreno 405
  • Adreno 130
Antutu 7 score *
  • 35247
Unknown
GeekBench 4 Single Core *
  • 692
Unknown
GeekBench 4 Multi-Core *
  • 3049
Unknown
GeekBench 4 RenderScript *
  • 2110
Unknown
GeekBench 5 Single Core *
  • 128
Unknown
GeekBench 5 Multi-Core *
  • 663
Unknown
General specs
General specs — specifications for One A9, XDA Stellar.
SpecificationOne A9XDA Stellar
Release date
  • 2015
  • September
  • 2007
  • November
Colors
  • Carbon Gray
  • Opal Silver
  • Topaz Gold
  • Deep Garnet
  • Pink
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
Unknown
Battery life
  • Stand by time- Up to 432 h (3G) Talking time- Up to 16 h (3G) Music play - Up to 60 h
  • Stand by time- Up to 365 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for One A9, XDA Stellar.
SpecificationOne A9XDA Stellar
SIM card
  • Nano-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Americas HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 13(700)
  • 17(700)
  • 29(700) - Americas LTE band 1(2100)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500) - EMEA/ Asia
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • LTE-A Cat7 (2CA) 300/100 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
Bluetooth
  • 4.1
  • A2DP
  • aptX
  • 2.0
Harmful irradiation
  • SAR EU - 0.41 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for One A9, XDA Stellar.
SpecificationOne A9XDA Stellar
Radio
  • FM radio
  • No
Others
  • 24-bit/192kHz audio -Dolby audio enhancement -Active noise cancellation with dedicated mic
  • Handwriting recognition
Other features
Other features — specifications for One A9, XDA Stellar.
SpecificationOne A9XDA Stellar
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0)
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform