O2 XDA Flame vs Xiaomi Mi 4

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

    Mi 4: 41 g lighter

    XDA Flame:
    190 g
    Mi 4:
    149 g
  • Width

    Mi 4: 5.5 mm narrower

    XDA Flame:
    74 mm
    Mi 4:
    68.5 mm
  • Screen diagonal

    XDA Flame: 1.4 in smaller diagonal

    XDA Flame:
    3.6 in
    Mi 4:
    5 in
  • Depth

    Mi 4: 8.6 mm thinner

    XDA Flame:
    17.5 mm
    Mi 4:
    8.9 mm
  • Height

    XDA Flame: 13.2 mm shorter

    XDA Flame:
    126 mm
    Mi 4:
    139.2 mm
  • Release year

    XDA Flame:
    2007
    Mi 4:
    2014

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 Flame

    Height:
    126 mm
    Width:
    74 mm +5.5 mm versus Mi 4
    Depth:
    17.5 mm +8.6 mm versus Mi 4
  2. 2. Mi 4

    Height:
    139.2 mm +13.2 mm versus XDA Flame
    Width:
    68.5 mm
    Depth:
    8.9 mm

Weight

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

  1. 1. XDA Flame

    190 g

    +41 g versus Mi 4

  2. 2. Mi 4

    149 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 Flame

    Screen diagonal:
    3.6 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    40.1 cm²
  2. 2. Mi 4

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

Mi 4 has approximately 71.7% more rectangular screen area than XDA Flame.

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 Flame: Original memory entry

128 MB RAM · 2 GB ROM

Mi 4: Original memory entry

16/64 GB · 2/3 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 Flame

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

2. Mi 4

NFC:
Unknown
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 Flame

    1620 mAh

  2. 2. Mi 4

    3080 mAh

    +1460 mAh versus XDA Flame

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 Flame2. Mi 4

Everyday essentials
Everyday essentials — specifications for XDA Flame, Mi 4.
SpecificationXDA FlameMi 4
Dimensions (HxWxD)
  • 126 Х 74 Х 17.5 mm
  • 139.2 Х 68.5 Х 8.9 mm
Weight
  • 190 g
  • 149 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.6" inch
  • 5" inch
Screen resolution
  • 480 x 640 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 2 GB ROM
  • 16/64 GB
  • 2/3 GB RAM
Memory card support
  • microSD (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1620 mAh
  • Removable Li-Po
  • 3080 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 4.4.3 (KitKat)
  • upgradable to 6.0.1 (Marshmallow); MIUI 10
Chipset Unknown
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Flame, Mi 4.
SpecificationXDA FlameMi 4
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 40.1 cm2
  • 68.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 43.0%
  • 72.3%
PPI /points per inch/
  • 222 PPI
  • 441 PPI
Camera and Video
Camera and Video — specifications for XDA Flame, Mi 4.
SpecificationXDA FlameMi 4
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • AF
  • 13 MP
  • f/1.8
  • 1/3''
  • 1.12µm
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA videocall camera
  • 8 MP
  • f/1.8
Performance

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

Performance — specifications for XDA Flame, Mi 4.
SpecificationXDA FlameMi 4
Processor CPU
  • Intel XScale PXA 270 520 MHz
  • Quad-core 2.5 GHz Krait 400
Graphics processor GPU Unknown
  • Adreno 330
Antutu 7 score * Unknown
  • 61632
GeekBench 4 Single Core * Unknown
  • 891
GeekBench 4 Multi-Core * Unknown
  • 1967
GeekBench 4 RenderScript * Unknown
  • 1997
General specs
General specs — specifications for XDA Flame, Mi 4.
SpecificationXDA FlameMi 4
Release date
  • 2007
  • February
  • 2014
  • July
Colors
  • Silver
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 230 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 6 h
  • Stand by time- Up to 280 h (3G)
Body build Unknown
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for XDA Flame, Mi 4.
SpecificationXDA FlameMi 4
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions CDMA 800 / 1900 - Telecom 3G model -3G - TD-SCDMA - 4G model HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model
  • Telecom 3G model CDMA2000 1xEV-DO - Telecom 3G model -4G - LTE band 38(2600)
  • 39(1900)
  • 40(2300) - 4G model
Speed
  • Yes
  • 384 kbps
  • HSPA 42.2/5.76 Mbps
  • LTE
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB
  • USB Host
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.36 W/kg (head)
Music and Audio
Music and Audio — specifications for XDA Flame, Mi 4.
SpecificationXDA FlameMi 4
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Flame, Mi 4.
SpecificationXDA FlameMi 4
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player -TV-out
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 2.0)