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Acer DX650 vs Sharp Aquos R2 compact

Compare recorded specifications, size and practical differences.

Acer DX650

Acer DX650

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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.

  • WidthDX650: 5 mm narrowerDX650: 59 mm · Aquos R2 compact: 64 mm
  • Screen diagonalDX650: 2.4 in smaller diagonalDX650: 2.8 in · Aquos R2 compact: 5.2 in
  • DepthAquos R2 compact: 6.3 mm thinnerAquos R2 compact: 9.3 mm · DX650: 15.6 mm
  • HeightDX650: 21.4 mm shorterDX650: 109.6 mm · Aquos R2 compact: 131 mm
  • Release year2009 / 2018DX650: 2009 · Aquos R2 compact: 2018

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.

Front
DX650: 109.6 × 59 mm 1 Aquos R2 compact: 131 × 64 mm 2
Side
DX650: 109.6 × 15.6 mm 1 Aquos R2 compact: 131 × 9.3 mm 2
  1. 1. DX650
    Height
    109.6 mm
    Width
    59 mm
    Depth
    15.6 mm+6.3 mm versus Aquos R2 compact
    Weight
    133 g
  2. 2. Aquos R2 compact
    Height
    131 mm+21.4 mm versus DX650
    Width
    64 mm+5 mm versus DX650
    Depth
    9.3 mm
    Weight
    135 g
Weight

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

  1. 1. DX650133 g
  2. 2. Aquos R2 compact135 g

    +2 g versus DX650

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.

Screen size
DX650: 2.8 in, 4:3, About 24.3 cm² rectangular area 1 Aquos R2 compact: 5.2 in, 19:9, About 67.5 cm² rectangular area 2
  1. 1. DX650 2.8 in · 4:3 About 24.3 cm² rectangular area
  2. 2. Aquos R2 compact 5.2 in · 19:9 About 67.5 cm² rectangular area

Aquos R2 compact has approximately 178% more rectangular screen area than DX650.

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.

DX650: Original memory entry

Super AMOLED

Aquos R2 compact: 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. DX650

NFC
See details Super AMOLED
Headphone jack
See details panorama
Memory card support
See details microSD (dedicated slot)

2. Aquos R2 compact

NFC
Yes
Headphone jack
Yes
Memory card support
See details microSD · up to 512 GB

Battery capacity

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

Recorded capacity

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

  1. 1. DX6501260 mAh
  2. 2. Aquos R2 compact2500 mAh

    +1240 mAh versus DX650

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. DX6502. Aquos R2 compact

Everyday essentials
Everyday essentials
SpecificationDX650Aquos R2 compact
Dimensions (HxWxD)
  • 109.6 Х 59 Х 15.6 mm
  • 131 Х 64 Х 9.3 mm
Weight
  • 133 g
  • 135 g
Technology
  • TFT
  • IGZO IPS LCD
Screen size
  • 2.8" inch
  • 5.2" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2280 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • Super AMOLED
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 512 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 1260 mAh
  • Removable Li-Ion
  • 2500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 9.0 (Pie)
Chipset Unknown
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • panorama
  • Yes
Display
Display
SpecificationDX650Aquos R2 compact
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 67.5 cm2
Screen format
  • 4:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 37.5%
  • 80.5%
PPI /points per inch/
  • 143 PPI
  • 485 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video
SpecificationDX650Aquos R2 compact
Rear camera, main
  • 2 MP
  • Single
  • 22.6 MP
  • Single
Camera specs
  • 2 MP
  • 22.6 MP
  • f/1.9
  • 22 mm
  • PDAF
  • OIS
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • panorama
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications
  • Super AMOLED
  • 8 MP
  • f/2.2
  • 23 mm
Performance
Performance
SpecificationDX650Aquos R2 compact
Processor CPU
  • Samsung S3C 6410 533 MHz
  • Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU Unknown
  • Adreno 630
General specs
General specs
SpecificationDX650Aquos R2 compact
Release date
  • 2009
  • June
  • 2018
  • November
Colors
  • Black
  • Smokey Green
  • Deep White
  • Pure Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
Unknown
Body build Unknown
  • Front glass
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity
SpecificationDX650Aquos R2 compact
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 2100 -4G - LTE
Speed
  • Super AMOLED
  • HSPA
  • LTE
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
USB
  • miniUSB
  • 2.0
  • Type-C 1.0 reversible connector (PowerDelivery 2.0)
Bluetooth
  • microUSB 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio
SpecificationDX650Aquos R2 compact
Radio
  • FM radio
  • No
Others
  • Secondary 1.27'' OLED display (128 x 96 pixel resolution) -Handwriting recognition
  • 120 Hz -HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic -Dolby Vision & Dolby Atmos -24-bit/192kHz audio
Other features
Other features
SpecificationDX650Aquos R2 compact
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins)

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