Acer DX650 vs Coolpad Roar

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.

  • Width

    DX650: 6.4 mm narrower

    DX650:
    59 mm
    Roar:
    65.4 mm
  • Screen diagonal

    DX650: 1.7 in smaller diagonal

    DX650:
    2.8 in
    Roar:
    4.5 in
  • Depth

    Roar: 6.6 mm thinner

    DX650:
    15.6 mm
    Roar:
    9 mm
  • Height

    DX650: 23.4 mm shorter

    DX650:
    109.6 mm
    Roar:
    133 mm
  • Release year

    DX650:
    2009
    Roar:
    2015

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. DX650

    Height:
    109.6 mm
    Width:
    59 mm
    Depth:
    15.6 mm +6.6 mm versus Roar
    Weight:
    133 g
  2. 2. Roar

    Height:
    133 mm +23.4 mm versus DX650
    Width:
    65.4 mm +6.4 mm versus DX650
    Depth:
    9 mm
    Weight:
    Unknown

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. DX650

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

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²

Roar has approximately 129.9% 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.

Recorded RAM for DX650, Roar, compared at the same storage capacity.
StorageDX650Roar
8 GB Unknown 1 GB RAM
DX650: Original memory entry

Super AMOLED

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. Roar

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated 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. DX650

    1260 mAh

  2. 2. Roar

    1800 mAh

    +540 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. Roar

Everyday essentials
Everyday essentials — specifications for DX650, Roar.
SpecificationDX650Roar
Dimensions (HxWxD)
  • 109.6 Х 59 Х 15.6 mm
  • 133 Х 65.4 Х 9 mm
Weight
  • 133 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 4.5" inch
Screen resolution
  • 240 x 320 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • Super AMOLED
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1260 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Mediatek MT6580 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for DX650, Roar.
SpecificationDX650Roar
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 24.3 cm2
  • 55.8 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 37.5%
  • 64.2%
PPI /points per inch/
  • 143 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for DX650, Roar.
SpecificationDX650Roar
Rear camera, main
  • 2 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 2 MP
  • 5 MP
  • AF
Functions Unknown
  • LED flash
Video
  • panorama
  • Yes
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications
  • Super AMOLED
  • 2 MP
Performance
Performance — specifications for DX650, Roar.
SpecificationDX650Roar
Processor CPU
  • Samsung S3C 6410 533 MHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
General specs
General specs — specifications for DX650, Roar.
SpecificationDX650Roar
Release date
  • 2009
  • June
  • 2015
  • November
Colors
  • Black
  • Black
Historical recorded price Legacy 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
Communication and Connectivity
Communication and Connectivity — specifications for DX650, Roar.
SpecificationDX650Roar
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
Speed
  • Super AMOLED
  • HSPA
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • microUSB 2.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for DX650, Roar.
SpecificationDX650Roar
Radio
  • FM radio
  • FM radio
Others
  • Secondary 1.27'' OLED display (128 x 96 pixel resolution) -Handwriting recognition
Unknown
Other features
Other features — specifications for DX650, Roar.
SpecificationDX650Roar
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player
  • Sensors Yes