O2 XDA Guide vs Samsung i400

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

    i400: 10 g lighter

    XDA Guide:
    102 g
    i400:
    92 g
  • Width

    i400: 3.5 mm narrower

    XDA Guide:
    53.5 mm
    i400:
    50 mm
  • Screen diagonal

    i400: 0.5 in smaller diagonal

    XDA Guide:
    2.8 in
    i400:
    2.3 in
  • Chipset

    XDA Guide:
    Qualcomm MSM7225 Snapdragon S1
    i400:
    TI OMAP 2430
  • Depth

    XDA Guide: 1.3 mm thinner

    XDA Guide:
    14.5 mm
    i400:
    15.8 mm
  • Release year

    XDA Guide:
    2008
    i400:
    2007

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 Guide

    Height:
    102 mm
    Width:
    53.5 mm +3.5 mm versus i400
    Depth:
    14.5 mm
  2. 2. i400

    Height:
    101 mm
    Width:
    50 mm
    Depth:
    15.8 mm +1.3 mm versus XDA Guide

Weight

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

  1. 1. XDA Guide

    102 g

    +10 g versus i400

  2. 2. i400

    92 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 Guide

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. i400

    Screen diagonal:
    2.3 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    16.4 cm²

XDA Guide has approximately 48.2% more rectangular screen area than i400.

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 Guide: Original memory entry

256 MB RAM · 512 MB ROM

i400: Original memory entry

40 MB

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 Guide

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot) · 1 GB included

2. i400

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

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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 Guide2. i400

Everyday essentials
Everyday essentials — specifications for XDA Guide, i400.
SpecificationXDA Guidei400
Dimensions (HxWxD)
  • 102 Х 53.5 Х 14.5 mm
  • 101 Х 50 Х 15.8 mm
Weight
  • 102 g
  • 92 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.3" inch
Screen resolution
  • 240 x 320 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB RAM
  • 512 MB ROM
  • 40 MB
Memory card support
  • microSD (dedicated slot)
  • 1 GB included
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1110 mAh
  • Removable Li-Ion
  • 0 mAh,
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Qualcomm MSM7225 Snapdragon S1
  • TI OMAP 2430
Headphone jack
  • No
  • No
Display
Display — specifications for XDA Guide, i400.
SpecificationXDA Guidei400
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 256K
Screen area
  • 24.3 cm2
  • 16.4 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 44.5%
  • 32.4%
PPI /points per inch/
  • 143 PPI
  • 174 PPI
Camera and Video
Camera and Video — specifications for XDA Guide, i400.
SpecificationXDA Guidei400
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • 2 MP
Video
  • CIF
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for XDA Guide, i400.
SpecificationXDA Guidei400
Processor CPU
  • 528 MHz ARM 11
  • 330 MHz ARM 1136
Graphics processor GPU
  • No
  • PowerVR MBX
General specs
General specs — specifications for XDA Guide, i400.
SpecificationXDA Guidei400
Release date
  • 2008
  • December
  • 2007
  • April
Colors
  • Grey
  • Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 290 EUR
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 6 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for XDA Guide, i400.
SpecificationXDA Guidei400
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • No
GPS
  • Yes
  • with A-GPS; TomTom NAVIGATOR 7
  • No
USB
  • miniUSB
  • 2.0
Bluetooth
  • 2.0
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.21 W/kg (head) 0.26 W/kg (body) SAR EU - 0.20 W/kg (head)
Music and Audio
Music and Audio — specifications for XDA Guide, i400.
SpecificationXDA Guidei400
Radio
  • No
  • No
Others
  • TouchFLO finger swipe navigation -Handwriting recognition -5-way navigation
  • Dual speaker
Other features
Other features — specifications for XDA Guide, i400.
SpecificationXDA Guidei400
Dop
  • HTC Footprints -Pocket Office -Voice memo -MP3/AAC player -3GP/MP4/WMV/AVI player -Predictive text input
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Predictive text input -Voice memo/command -Organizer