O2 XDA Stellar vs Xiaomi Redmi Note 7

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: 16.2 mm narrower

    XDA Stellar:
    59 mm
    Redmi Note 7:
    75.2 mm
  • Screen diagonal

    XDA Stellar: 3.5 in smaller diagonal

    XDA Stellar:
    2.8 in
    Redmi Note 7:
    6.3 in
  • Chipset

    XDA Stellar:
    Qualcomm MSM7200
    Redmi Note 7:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    XDA Stellar:
    Single
    Redmi Note 7:
    Dual
  • Depth

    Redmi Note 7: 10.5 mm thinner

    XDA Stellar:
    18.6 mm
    Redmi Note 7:
    8.1 mm
  • Height

    XDA Stellar: 47.2 mm shorter

    XDA Stellar:
    112 mm
    Redmi Note 7:
    159.2 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 +10.5 mm versus Redmi Note 7
  2. 2. Redmi Note 7

    Height:
    159.2 mm +47.2 mm versus XDA Stellar
    Width:
    75.2 mm +16.2 mm versus XDA Stellar
    Depth:
    8.1 mm

Weight

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

  1. 1. XDA Stellar

    190 g

    +4 g versus Redmi Note 7

  2. 2. Redmi Note 7

    186 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 Note 7

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

Redmi Note 7 has approximately 301.3% 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.

XDA Stellar: Original memory entry

128 MB RAM · 256 MB ROM

Redmi Note 7: Original memory entry

64 GB · 4/6 GB RAM 32 GB · 3 GB RAM

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 Note 7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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 Note 7

    4000 mAh

    +2650 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 Note 7

Everyday essentials
Everyday essentials — specifications for XDA Stellar, Redmi Note 7.
SpecificationXDA StellarRedmi Note 7
Dimensions (HxWxD)
  • 112 Х 59 Х 18.6 mm
  • 159.2 Х 75.2 Х 8.1 mm
Weight
  • 190 g
  • 186 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 6.3" 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.
  • 128 MB RAM
  • 256 MB ROM
  • 64 GB
  • 4/6 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm MSM7200
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Stellar, Redmi Note 7.
SpecificationXDA StellarRedmi Note 7
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 97.4 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 36.7%
  • 81.4%
PPI /points per inch/
  • 143 PPI
  • 409 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for XDA Stellar, Redmi Note 7.
SpecificationXDA StellarRedmi Note 7
Rear camera, main
  • 3.15 MP
  • Single
  • 48 MP
  • Dual
Camera specs
  • 3.15 MP
  • AF
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • PDAF -5 MP
  • f/2.4
  • depth sensor
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • VGA videocall camera
  • 13 MP
Performance

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

Performance — specifications for XDA Stellar, Redmi Note 7.
SpecificationXDA StellarRedmi Note 7
Processor CPU
  • 400 MHz ARM 11
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Adreno 130
  • Adreno 512
Antutu 7 score * Unknown
  • 144610
GeekBench 4 Single Core * Unknown
  • 1462
GeekBench 4 Multi-Core * Unknown
  • 4556
Antutu 8 score * Unknown
  • 179213
GeekBench 5 Single Core * Unknown
  • 334
GeekBench 5 Multi-Core * Unknown
  • 1294
General specs
General specs — specifications for XDA Stellar, Redmi Note 7.
SpecificationXDA StellarRedmi Note 7
Release date
  • 2007
  • November
  • 2019
  • January
Colors
  • Silver
  • Blue
  • Black
  • Twilight Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Battery life
  • Stand by time- Up to 365 h Talking time- Up to 5 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stellar, Redmi Note 7.
SpecificationXDA StellarRedmi Note 7
SIM card
  • Mini-SIM
  • Hybrid 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)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • 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
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for XDA Stellar, Redmi Note 7.
SpecificationXDA StellarRedmi Note 7
Radio
  • No
  • FM radio
  • recording
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Stellar, Redmi Note 7.
SpecificationXDA StellarRedmi Note 7
Dop
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging (Quick Charge 4)