O2 XDA Stellar vs Xiaomi Redmi 8A Dual

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.

  • Width

    XDA Stellar: 16.4 mm narrower

    XDA Stellar:
    59 mm
    Redmi 8A Dual:
    75.4 mm
  • Screen diagonal

    XDA Stellar: 3.42 in smaller diagonal

    XDA Stellar:
    2.8 in
    Redmi 8A Dual:
    6.22 in
  • Chipset

    XDA Stellar:
    Qualcomm MSM7200
    Redmi 8A Dual:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Rear camera layout

    XDA Stellar:
    Single
    Redmi 8A Dual:
    Dual
  • Depth

    Redmi 8A Dual: 9.2 mm thinner

    XDA Stellar:
    18.6 mm
    Redmi 8A Dual:
    9.4 mm
  • Height

    XDA Stellar: 44.5 mm shorter

    XDA Stellar:
    112 mm
    Redmi 8A Dual:
    156.5 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 Stellar

    Height:
    112 mm
    Width:
    59 mm
    Depth:
    18.6 mm +9.2 mm versus Redmi 8A Dual
  2. 2. Redmi 8A Dual

    Height:
    156.5 mm +44.5 mm versus XDA Stellar
    Width:
    75.4 mm +16.4 mm versus XDA Stellar
    Depth:
    9.4 mm

Weight

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

  1. 1. XDA Stellar

    190 g

    +2 g versus Redmi 8A Dual

  2. 2. Redmi 8A Dual

    188 g

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 Stellar

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Redmi 8A Dual

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

Redmi 8A Dual has approximately 297.7% 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.

Recorded RAM for XDA Stellar, Redmi 8A Dual, compared at the same storage capacity.
StorageXDA StellarRedmi 8A Dual
32 GB Unknown 2 / 3 GB RAM Alternative RAM configurations
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. XDA Stellar

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

2. Redmi 8A Dual

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

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 Stellar

    1350 mAh

  2. 2. Redmi 8A Dual

    5000 mAh

    +3650 mAh versus XDA Stellar

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 Stellar2. Redmi 8A Dual

Everyday essentials
Everyday essentials — specifications for XDA Stellar, Redmi 8A Dual.
SpecificationXDA StellarRedmi 8A Dual
Dimensions (HxWxD)
  • 112 Х 59 Х 18.6 mm
  • 156.5 Х 75.4 Х 9.4 mm
Weight
  • 190 g
  • 188 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" 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.
  • 128 MB RAM
  • 256 MB ROM
  • 32GB 2GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 9.0 (Pie); MIUI 11
Chipset
  • Qualcomm MSM7200
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stellar, Redmi 8A Dual.
SpecificationXDA StellarRedmi 8A Dual
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 96.6 cm2
Screen format
  • 4:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 36.7%
  • 81.8%
PPI /points per inch/
  • 143 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for XDA Stellar, Redmi 8A Dual.
SpecificationXDA StellarRedmi 8A Dual
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 3.15 MP
  • AF
  • 13 MP
  • f/2.2
  • (wide)
  • 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
  • 8 MP
  • Single
Specifications
  • VGA videocall camera
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Performance

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

Performance — specifications for XDA Stellar, Redmi 8A Dual.
SpecificationXDA StellarRedmi 8A Dual
Processor CPU
  • 400 MHz ARM 11
  • Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
Graphics processor GPU
  • Adreno 130
  • Adreno 505
GeekBench 4 Single Core * Unknown
  • 864
GeekBench 4 Multi-Core * Unknown
  • 3669
Antutu 8 score * Unknown
  • 95326
General specs
General specs — specifications for XDA Stellar, Redmi 8A Dual.
SpecificationXDA StellarRedmi 8A Dual
Release date
  • 2007
  • November
  • 2020
  • February 11
Colors
  • Silver
  • Sky White
  • Sea Blue
  • Midnight Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 80 EUR
Battery life
  • Stand by time- Up to 365 h Talking time- Up to 5 h
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stellar, Redmi 8A Dual.
SpecificationXDA StellarRedmi 8A Dual
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 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for XDA Stellar, Redmi 8A Dual.
SpecificationXDA StellarRedmi 8A Dual
Radio
  • No
  • FM radio
  • built-in antenna
Others
  • Handwriting recognition
  • 400 nits typ. brightness
Other features
Other features — specifications for XDA Stellar, Redmi 8A Dual.
SpecificationXDA StellarRedmi 8A Dual
Dop
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging 18W -Power bank/Reverse charging - Splash resistant