Acer DX650 vs Motorola ROKR E2

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

    ROKR E2: 26 g lighter

    DX650:
    133 g
    ROKR E2:
    107 g
  • Width

    ROKR E2: 9.5 mm narrower

    DX650:
    59 mm
    ROKR E2:
    49.5 mm
  • Screen diagonal

    ROKR E2: 0.8 in smaller diagonal

    DX650:
    2.8 in
    ROKR E2:
    2 in
  • Depth

    DX650: 2.4 mm thinner

    DX650:
    15.6 mm
    ROKR E2:
    18 mm
  • Height

    ROKR E2: 3.6 mm shorter

    DX650:
    109.6 mm
    ROKR E2:
    106 mm
  • Release year

    DX650:
    2009
    ROKR E2:
    2006

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 +3.6 mm versus ROKR E2
    Width:
    59 mm +9.5 mm versus ROKR E2
    Depth:
    15.6 mm
  2. 2. ROKR E2

    Height:
    106 mm
    Width:
    49.5 mm
    Depth:
    18 mm +2.4 mm versus DX650

Weight

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

  1. 1. DX650

    133 g

    +26 g versus ROKR E2

  2. 2. ROKR E2

    107 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. DX650

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. ROKR E2

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

DX650 has approximately 96% more rectangular screen area than ROKR E2.

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

ROKR E2: Original memory entry

10 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. DX650

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

2. ROKR E2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details SD · up to 2 GB

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

    +410 mAh versus ROKR E2

  2. 2. ROKR E2

    850 mAh

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. ROKR E2

Everyday essentials
Everyday essentials — specifications for DX650, ROKR E2.
SpecificationDX650ROKR E2
Dimensions (HxWxD)
  • 109.6 Х 59 Х 15.6 mm
  • 106 Х 49.5 Х 18 mm
Weight
  • 133 g
  • 107 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2" inch
Screen resolution
  • 240 x 320 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • Super AMOLED
  • 10 MB
Memory card support
  • microSD (dedicated slot)
  • SD
  • up to 2 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1260 mAh
  • Removable Li-Ion
  • 850 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Linux
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for DX650, ROKR E2.
SpecificationDX650ROKR E2
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 256K
Screen area
  • 24.3 cm2
  • 12.4 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 37.5%
  • 23.6%
PPI /points per inch/
  • 143 PPI
  • 200 PPI
Camera and Video
Camera and Video — specifications for DX650, ROKR E2.
SpecificationDX650ROKR E2
Rear camera, main
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 2 MP
  • 1.3 MP
Functions Unknown
  • LED flash
Video
  • panorama
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Specifications
  • Super AMOLED
Unknown
Performance
Performance — specifications for DX650, ROKR E2.
SpecificationDX650ROKR E2
Processor CPU
  • Samsung S3C 6410 533 MHz
  • 32-bit Intel XScale PXA270 312 MHz
General specs
General specs — specifications for DX650, ROKR E2.
SpecificationDX650ROKR E2
Release date
  • 2009
  • June
  • 2006
  • January
Colors
  • Black
  • Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 130 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
  • Stand by time- Up to 200 h Talking time- Up to 4 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for DX650, ROKR E2.
SpecificationDX650ROKR E2
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
Unknown
Speed
  • Super AMOLED
Unknown
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Class 6
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • Yes
  • SiRF Star III chipset
  • No
USB
  • miniUSB
  • miniUSB 2.0
Bluetooth
  • microUSB 2.0
  • A2DP
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for DX650, ROKR E2.
SpecificationDX650ROKR E2
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, ROKR E2.
SpecificationDX650ROKR E2
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player
  • MP4/MP3 player -iTAP -Voice memo -Voice dial -Organizer -Changeable covers