Acer DX650 vs Allview Twin X2

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

    DX650: 16.7 g lighter

    DX650:
    133 g
    Twin X2:
    149.7 g
  • Width

    DX650: 11.1 mm narrower

    DX650:
    59 mm
    Twin X2:
    70.1 mm
  • Screen diagonal

    DX650: 2.7 in smaller diagonal

    DX650:
    2.8 in
    Twin X2:
    5.5 in
  • Depth

    Twin X2: 7.6 mm thinner

    DX650:
    15.6 mm
    Twin X2:
    8 mm
  • Height

    DX650: 30.7 mm shorter

    DX650:
    109.6 mm
    Twin X2:
    140.3 mm
  • Release year

    DX650:
    2009
    Twin X2:
    2014

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 +7.6 mm versus Twin X2
  2. 2. Twin X2

    Height:
    140.3 mm +30.7 mm versus DX650
    Width:
    70.1 mm +11.1 mm versus DX650
    Depth:
    8 mm

Weight

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

  1. 1. DX650

    133 g

  2. 2. Twin X2

    149.7 g

    +16.7 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. DX650

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Twin X2

    Twin X2: Screen geometry unavailable or conflicting.

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, Twin X2, compared at the same storage capacity.
StorageDX650Twin X2
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. Twin X2

NFC:
See details Super AMOLED
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. Twin X2

    1920 mAh

    +660 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. Twin X2

Everyday essentials
Everyday essentials — specifications for DX650, Twin X2.
SpecificationDX650Twin X2
Dimensions (HxWxD)
  • 109.6 Х 59 Х 15.6 mm
  • 140.3 Х 70.1 Х 8 mm
Weight
  • 133 g
  • 149.7 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5.5" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1280 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
  • 1920 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 4.4.2 (KitKat)
NFC
  • Super AMOLED
  • Super AMOLED
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for DX650, Twin X2.
SpecificationDX650Twin X2
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 68.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 37.5%
  • 70.1%
PPI /points per inch/
  • 143 PPI
  • 294 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for DX650, Twin X2.
SpecificationDX650Twin X2
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions Unknown
  • Dual-LED flash
  • panorama
  • HDR
Video
  • panorama
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications
  • Super AMOLED
  • 2 MP
Performance

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

Performance — specifications for DX650, Twin X2.
SpecificationDX650Twin X2
Processor CPU
  • Samsung S3C 6410 533 MHz
  • Octa-core 1.4 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-450MP4
Antutu 7 score * Unknown
  • 28932
General specs
General specs — specifications for DX650, Twin X2.
SpecificationDX650Twin X2
Release date
  • 2009
  • June
  • 2014
  • August
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 230 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
  • Stand by time- Up to 192 h (2G) / Up to 192 h (3G) Talking time- Up to 7 h 40 min (2G) / Up to 6 h 40 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for DX650, Twin X2.
SpecificationDX650Twin X2
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
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 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
Speed
  • Super AMOLED
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • microUSB 2.0
  • A2DP
  • 4.0
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for DX650, Twin X2.
SpecificationDX650Twin X2
Radio
  • FM radio
  • FM radio
Others
  • Secondary 1.27'' OLED display (128 x 96 pixel resolution) -Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for DX650, Twin X2.
SpecificationDX650Twin X2
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player
  • Sensors Accelerometer
  • proximity