Sharp Aquos R2 vs ZTE X990

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

    X990: 91 g lighter

    Aquos R2:
    181 g
    X990:
    90 g
  • Width

    X990: 13 mm narrower

    Aquos R2:
    74 mm
    X990:
    61 mm
  • Screen diagonal

    X990: 3.5 in smaller diagonal

    Aquos R2:
    6 in
    X990:
    2.5 in
  • Rear camera layout

    Aquos R2:
    Dual
    X990:
    Single
  • Depth

    Aquos R2: 3 mm thinner

    Aquos R2:
    9 mm
    X990:
    12 mm
  • Height

    X990: 49 mm shorter

    Aquos R2:
    156 mm
    X990:
    107 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. Aquos R2

    Height:
    156 mm +49 mm versus X990
    Width:
    74 mm +13 mm versus X990
    Depth:
    9 mm
  2. 2. X990

    Height:
    107 mm
    Width:
    61 mm
    Depth:
    12 mm +3 mm versus Aquos R2

Weight

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

  1. 1. Aquos R2

    181 g

    +91 g versus X990

  2. 2. X990

    90 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. Aquos R2

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    89.9 cm²
  2. 2. X990

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

Aquos R2 has approximately 364.3% more rectangular screen area than X990.

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.

Aquos R2: Original memory entry

64 GB · 512GB 4GB

X990: Original memory entry

5 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. Aquos R2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot)

2. X990

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 8 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. Aquos R22. X990

Everyday essentials
Everyday essentials — specifications for Aquos R2, X990.
SpecificationAquos R2X990
Dimensions (HxWxD)
  • 156 Х 74 Х 9 mm
  • 107 Х 61 Х 12 mm
Weight
  • 181 g
  • 90 g
Technology
  • IGZO IPS LCD
  • TFT
Screen size
  • 6" inch
  • 2.5" inch
Screen resolution
  • 1440 x 3040 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 5 MB
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 8 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3130 mAh
  • Non-removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 8.0 (Oreo)
  • Microsoft Windows Mobile 6.5 Professional
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Aquos R2, X990.
SpecificationAquos R2X990
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 89.9 cm2
  • 19.4 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 77.8%
  • 29.7%
PPI /points per inch/
  • 561 PPI
  • 160 PPI
Camera and Video
Camera and Video — specifications for Aquos R2, X990.
SpecificationAquos R2X990
Rear camera, main
  • 22.6 MP
  • Dual
  • 2 MP
  • Single
Camera specs
  • 22.6 MP
  • PDAF -16.3 MP
  • PDAF (for video recording only)
  • 2 MP
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 2160p@30fps (dedicated video camera)
  • Yes
Front camera, selfie
  • 16.3 MP
  • Single
  • 0 MP,
Specifications
  • 16.3 MP
Unknown
Performance

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

Performance — specifications for Aquos R2, X990.
SpecificationAquos R2X990
Processor CPU
  • Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Unknown
Graphics processor GPU
  • Adreno 630
Unknown
Antutu 7 score *
  • 265822
Unknown
General specs
General specs — specifications for Aquos R2, X990.
SpecificationAquos R2X990
Release date
  • 2018
  • May
  • 2010
  • March
Colors
  • Black
  • White
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 480 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for Aquos R2, X990.
SpecificationAquos R2X990
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Unknown
Speed
  • HSPA
  • LTE
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.96 W/kg (head)
Music and Audio
Music and Audio — specifications for Aquos R2, X990.
SpecificationAquos R2X990
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Active noise cancellation with dedicated mic -Dolby Vision & Dolby Atmos
Unknown
Other features
Other features — specifications for Aquos R2, X990.
SpecificationAquos R2X990
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IPX5/IPX8/IP6X
  • Windows Live Messenger -MP3/WMA/eAAC+ player -MP4/H.264 player -MS Office -Organizer -Voice memo -Predictive text input Also known as Messenger by SFR 251 Edition