O2 XDA Atom vs Xiaomi Mi 9T

Compare recorded specifications, size and practical differences.

+ Add a third phone

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 Atom: 51 g lighter

    XDA Atom:
    140 g
    Mi 9T:
    191 g
  • Width

    XDA Atom: 16.3 mm narrower

    XDA Atom:
    58 mm
    Mi 9T:
    74.3 mm
  • Screen diagonal

    XDA Atom: 3.69 in smaller diagonal

    XDA Atom:
    2.7 in
    Mi 9T:
    6.39 in
  • Rear camera layout

    XDA Atom:
    Single
    Mi 9T:
    Triple
  • Depth

    Mi 9T: 9.7 mm thinner

    XDA Atom:
    18.5 mm
    Mi 9T:
    8.8 mm
  • Height

    XDA Atom: 54.7 mm shorter

    XDA Atom:
    102 mm
    Mi 9T:
    156.7 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 Atom

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +9.7 mm versus Mi 9T
  2. 2. Mi 9T

    Height:
    156.7 mm +54.7 mm versus XDA Atom
    Width:
    74.3 mm +16.3 mm versus XDA Atom
    Depth:
    8.8 mm

Weight

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

  1. 1. XDA Atom

    140 g

  2. 2. Mi 9T

    191 g

    +51 g versus XDA Atom

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 Atom

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 cm²
  2. 2. Mi 9T

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

Mi 9T has approximately 344% more rectangular screen area than XDA Atom.

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 Atom, Mi 9T, compared at the same storage capacity.
StorageXDA AtomMi 9T
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
XDA Atom: Original memory entry

64 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 Atom

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

2. Mi 9T

NFC:
Yes
Headphone jack:
Yes
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 Atom

    1530 mAh

  2. 2. Mi 9T

    4000 mAh

    +2470 mAh versus XDA Atom

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 Atom2. Mi 9T

Everyday essentials
Everyday essentials — specifications for XDA Atom, Mi 9T.
SpecificationXDA AtomMi 9T
Dimensions (HxWxD)
  • 102 Х 58 Х 18.5 mm
  • 156.7 Х 74.3 Х 8.8 mm
Weight
  • 140 g
  • 191 g
Technology
  • TFT
  • AMOLED
Screen size
  • 2.7" inch
  • 6.39" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • miniSD
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 9.0 (Pie); MIUI 10
Chipset Unknown
  • Qualcomm SDM730 Snapdragon 730 (8 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Atom, Mi 9T.
SpecificationXDA AtomMi 9T
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 22.6 cm2
  • 100.2 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 38.2%
  • 86.1%
PPI /points per inch/
  • 148 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for XDA Atom, Mi 9T.
SpecificationXDA AtomMi 9T
Rear camera, main
  • 2 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 2 MP
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • f/2.4
  • 53mm (telephoto)
  • 1/4''
  • 1.12µm
  • PDAF
  • 2x optical zoom -13 MP
  • 12mm (ultrawide)
  • 1/3''
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 20 MP
  • Single
Specifications Unknown
  • Motorized pop-up 20 MP
  • f/2.2
  • 0.8µm
Performance

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

Performance — specifications for XDA Atom, Mi 9T.
SpecificationXDA AtomMi 9T
Processor CPU
  • Intel PXA272 416 MHz
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU Unknown
  • Adreno 618
Antutu 7 score * Unknown
  • 218548
GeekBench 4 Single Core * Unknown
  • 2540
GeekBench 4 Multi-Core * Unknown
  • 6911
Antutu 8 score * Unknown
  • 264797
GeekBench 5 Single Core * Unknown
  • 529
GeekBench 5 Multi-Core * Unknown
  • 1658
General specs
General specs — specifications for XDA Atom, Mi 9T.
SpecificationXDA AtomMi 9T
Release date
  • 2005
  • November
  • 2019
  • June
Colors
  • Silver
  • Carbon black
  • Red flame
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 300 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 5 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for XDA Atom, Mi 9T.
SpecificationXDA AtomMi 9T
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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • miniUSB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 1.2
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for XDA Atom, Mi 9T.
SpecificationXDA AtomMi 9T
Radio
  • FM radio
  • Yes
Others
  • Handwriting recognition
  • HDR
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Atom, Mi 9T.
SpecificationXDA AtomMi 9T
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - For Global market