Haier G51 vs O2 XDA Guide

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 Guide: 53 g lighter

    G51:
    155 g
    XDA Guide:
    102 g
  • Width

    XDA Guide: 19.4 mm narrower

    G51:
    72.9 mm
    XDA Guide:
    53.5 mm
  • Screen diagonal

    XDA Guide: 2.2 in smaller diagonal

    G51:
    5 in
    XDA Guide:
    2.8 in
  • Chipset

    G51:
    Mediatek MT6737M (28 nm)
    XDA Guide:
    Qualcomm MSM7225 Snapdragon S1
  • Depth

    G51: 5.4 mm thinner

    G51:
    9.1 mm
    XDA Guide:
    14.5 mm
  • Height

    XDA Guide: 40.6 mm shorter

    G51:
    142.6 mm
    XDA Guide:
    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. G51

    Height:
    142.6 mm +40.6 mm versus XDA Guide
    Width:
    72.9 mm +19.4 mm versus XDA Guide
    Depth:
    9.1 mm
  2. 2. XDA Guide

    Height:
    102 mm
    Width:
    53.5 mm
    Depth:
    14.5 mm +5.4 mm versus G51

Weight

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

  1. 1. G51

    155 g

    +53 g versus XDA Guide

  2. 2. XDA Guide

    102 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. G51

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

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

G51 has approximately 183.9% more rectangular screen area than XDA Guide.

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 G51, XDA Guide, compared at the same storage capacity.
StorageG51XDA Guide
8 GB 1 GB RAM Unknown
XDA Guide: Original memory entry

256 MB RAM · 512 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. G51

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. XDA Guide

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

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. G51

    2000 mAh

    +890 mAh versus XDA Guide

  2. 2. XDA Guide

    1110 mAh

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. G512. XDA Guide

Everyday essentials
Everyday essentials — specifications for G51, XDA Guide.
SpecificationG51XDA Guide
Dimensions (HxWxD)
  • 142.6 Х 72.9 Х 9.1 mm
  • 102 Х 53.5 Х 14.5 mm
Weight
  • 155 g
  • 102 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 2.8" inch
Screen resolution
  • 480 x 854 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 256 MB RAM
  • 512 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD (dedicated slot)
  • 1 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 1110 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Mediatek MT6737M (28 nm)
  • Qualcomm MSM7225 Snapdragon S1
Headphone jack
  • Yes
  • No
Display
Display — specifications for G51, XDA Guide.
SpecificationG51XDA Guide
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 68.9 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 66.3%
  • 44.5%
PPI /points per inch/
  • 196 PPI
  • 143 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for G51, XDA Guide.
SpecificationG51XDA Guide
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • f/2.0
  • 3.15 MP
Functions
  • Dual-LED dual-tone flash
Unknown
Video
  • 720p@30fps
  • CIF
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
  • f/2.4
Unknown
Performance

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

Performance — specifications for G51, XDA Guide.
SpecificationG51XDA Guide
Processor CPU
  • Quad-core 1.25 GHz Cortex-A53
  • 528 MHz ARM 11
Graphics processor GPU
  • Mali-T720MP1
  • No
Antutu 7 score *
  • 29322
Unknown
General specs
General specs — specifications for G51, XDA Guide.
SpecificationG51XDA Guide
Release date
  • 2017
  • 2008
  • December
Colors
  • Black
  • Gold
  • White
  • Blue
  • Grey
Battery life Unknown
  • Stand by time- Up to 400 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for G51, XDA Guide.
SpecificationG51XDA Guide
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 HSDPA 850 / 1900 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS; TomTom NAVIGATOR 7
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 2.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.71 W/kg (head) 1.11 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for G51, XDA Guide.
SpecificationG51XDA Guide
Radio
  • FM radio
  • No
Others Unknown
  • TouchFLO finger swipe navigation -Handwriting recognition -5-way navigation
Other features
Other features — specifications for G51, XDA Guide.
SpecificationG51XDA Guide
Dop
  • Sensors Accelerometer
  • proximity
  • HTC Footprints -Pocket Office -Voice memo -MP3/AAC player -3GP/MP4/WMV/AVI player -Predictive text input