Apple iPhone 3G vs O2 XDA Zest

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

    XDA Zest: 30.5 g lighter

    iPhone 3G:
    133 g
    XDA Zest:
    102.5 g
  • Width

    XDA Zest: 1.6 mm narrower

    iPhone 3G:
    62.1 mm
    XDA Zest:
    60.5 mm
  • Screen diagonal

    XDA Zest: 0.7 in smaller diagonal

    iPhone 3G:
    3.5 in
    XDA Zest:
    2.8 in
  • Depth

    iPhone 3G: 4.2 mm thinner

    iPhone 3G:
    12.3 mm
    XDA Zest:
    16.5 mm
  • Height

    XDA Zest: 13.5 mm shorter

    iPhone 3G:
    115.5 mm
    XDA Zest:
    102 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. iPhone 3G

    Height:
    115.5 mm +13.5 mm versus XDA Zest
    Width:
    62.1 mm +1.6 mm versus XDA Zest
    Depth:
    12.3 mm
  2. 2. XDA Zest

    Height:
    102 mm
    Width:
    60.5 mm
    Depth:
    16.5 mm +4.2 mm versus iPhone 3G

Weight

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

  1. 1. iPhone 3G

    133 g

    +30.5 g versus XDA Zest

  2. 2. XDA Zest

    102.5 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. iPhone 3G

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. XDA Zest

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

iPhone 3G has approximately 50.2% more rectangular screen area than XDA Zest.

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.

iPhone 3G: Original memory entry

8/16 GB · 128 MB RAM

XDA Zest: 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. iPhone 3G

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

2. XDA Zest

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (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. iPhone 3G2. XDA Zest

Everyday essentials
Everyday essentials — specifications for iPhone 3G, XDA Zest.
SpecificationiPhone 3GXDA Zest
Dimensions (HxWxD)
  • 115.5 Х 62.1 Х 12.3 mm
  • 102 Х 60.5 Х 16.5 mm
Weight
  • 133 g
  • 102.5 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 2.8" inch
Screen resolution
  • 320 x 480 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8/16 GB
  • 128 MB RAM
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • No
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • iOS
  • upgradable to iOS 4.2.1
  • Microsoft Windows Mobile 6.1 Professional
Headphone jack
  • Yes
  • No
Display
Display — specifications for iPhone 3G, XDA Zest.
SpecificationiPhone 3GXDA Zest
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 36.5 cm2
  • 24.3 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 50.9%
  • 39.3%
PPI /points per inch/
  • 165 PPI
  • 286 PPI
Screen protection
  • Corning Gorilla Glass
  • oleophobic coating
Unknown
Camera and Video
Camera and Video — specifications for iPhone 3G, XDA Zest.
SpecificationiPhone 3GXDA Zest
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
  • AF
Video
  • No
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA videocall camera
Performance
Performance — specifications for iPhone 3G, XDA Zest.
SpecificationiPhone 3GXDA Zest
Processor CPU
  • 412 MHz ARM 11
  • 624MHz Marvell TavorP
Graphics processor GPU
  • PowerVR MBX
Unknown
General specs
General specs — specifications for iPhone 3G, XDA Zest.
SpecificationiPhone 3GXDA Zest
Release date
  • 2008
  • June
  • 2008
  • October
Colors
  • Black(8/16 GB)
  • White (16 GB)
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
Unknown
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 10 h Music play - Up to 24 h
  • Stand by time- Up to 260 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for iPhone 3G, XDA Zest.
SpecificationiPhone 3GXDA Zest
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • SiRF Star III chipset
USB
  • 2.0
  • miniUSB 1.1
Bluetooth
  • 2.0
  • A2DP (headset support only)
  • 2.0
  • A2DP
Harmful irradiation
  • SAR - 0.52 W/kg (head) 1.29 W/kg (body) SAR EU - 0.56 W/kg (head) 0.23 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for iPhone 3G, XDA Zest.
SpecificationiPhone 3GXDA Zest
Radio
  • No
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for iPhone 3G, XDA Zest.
SpecificationiPhone 3GXDA Zest
Dop
  • Sensors Accelerometer
  • proximity - Audio/video player -TV-out -Organizer -Document viewer -Photo viewer -Predictive text input
  • SiRF star III chipset -Pocket Office -Voice memo -MP3 player -Predictive text input