Haier G51 vs Sharp Aquos R2

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

    G51: 26 g lighter

    G51:
    155 g
    Aquos R2:
    181 g
  • Width

    G51: 1.1 mm narrower

    G51:
    72.9 mm
    Aquos R2:
    74 mm
  • Screen diagonal

    G51: 1 in smaller diagonal

    G51:
    5 in
    Aquos R2:
    6 in
  • Chipset

    G51:
    Mediatek MT6737M (28 nm)
    Aquos R2:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    G51:
    Single
    Aquos R2:
    Dual
  • Height

    G51: 13.4 mm shorter

    G51:
    142.6 mm
    Aquos R2:
    156 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
    Width:
    72.9 mm
    Depth:
    9.1 mm
  2. 2. Aquos R2

    Height:
    156 mm +13.4 mm versus G51
    Width:
    74 mm +1.1 mm versus G51
    Depth:
    9 mm

Weight

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

  1. 1. G51

    155 g

  2. 2. Aquos R2

    181 g

    +26 g versus G51

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. Aquos R2

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    89.9 cm²

Aquos R2 has approximately 30.4% more rectangular screen area than G51.

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, Aquos R2, compared at the same storage capacity.
StorageG51Aquos R2
8 GB 1 GB RAM Unknown
Aquos R2: Original memory entry

64 GB · 512GB 4GB

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. Aquos R2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. G51

    2000 mAh

  2. 2. Aquos R2

    3130 mAh

    +1130 mAh versus G51

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. Aquos R2

Everyday essentials
Everyday essentials — specifications for G51, Aquos R2.
SpecificationG51Aquos R2
Dimensions (HxWxD)
  • 142.6 Х 72.9 Х 9.1 mm
  • 156 Х 74 Х 9 mm
Weight
  • 155 g
  • 181 g
Technology
  • IPS LCD
  • IGZO IPS LCD
Screen size
  • 5" inch
  • 6" inch
Screen resolution
  • 480 x 854 px
  • 1440 x 3040 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 3130 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 8.0 (Oreo)
Chipset
  • Mediatek MT6737M (28 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for G51, Aquos R2.
SpecificationG51Aquos R2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 89.9 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 66.3%
  • 77.8%
PPI /points per inch/
  • 196 PPI
  • 561 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for G51, Aquos R2.
SpecificationG51Aquos R2
Rear camera, main
  • 5 MP
  • Single
  • 22.6 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • f/2.0
  • 22.6 MP
  • PDAF -16.3 MP
  • PDAF (for video recording only)
Functions
  • Dual-LED dual-tone flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 2160p@30fps (dedicated video camera)
Front camera, selfie
  • 5 MP
  • Single
  • 16.3 MP
  • Single
Specifications
  • 5 MP
  • f/2.4
  • 16.3 MP
Performance

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

Performance — specifications for G51, Aquos R2.
SpecificationG51Aquos R2
Processor CPU
  • Quad-core 1.25 GHz Cortex-A53
  • Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU
  • Mali-T720MP1
  • Adreno 630
Antutu 7 score *
  • 29322
  • 265822
General specs
General specs — specifications for G51, Aquos R2.
SpecificationG51Aquos R2
Release date
  • 2017
  • 2018
  • May
Colors
  • Black
  • Gold
  • White
  • Blue
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 350 EUR
Communication and Connectivity
Communication and Connectivity — specifications for G51, Aquos R2.
SpecificationG51Aquos R2
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.71 W/kg (head) 1.11 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for G51, Aquos R2.
SpecificationG51Aquos R2
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic -Dolby Vision & Dolby Atmos
Other features
Other features — specifications for G51, Aquos R2.
SpecificationG51Aquos R2
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IPX5/IPX8/IP6X