Acer DX650 vs Oppo A39

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: 14 g lighter

    DX650:
    133 g
    A39:
    147 g
  • Width

    DX650: 13.9 mm narrower

    DX650:
    59 mm
    A39:
    72.9 mm
  • Screen diagonal

    DX650: 2.4 in smaller diagonal

    DX650:
    2.8 in
    A39:
    5.2 in
  • Depth

    A39: 7.9 mm thinner

    DX650:
    15.6 mm
    A39:
    7.7 mm
  • Height

    DX650: 39.5 mm shorter

    DX650:
    109.6 mm
    A39:
    149.1 mm
  • Release year

    DX650:
    2009
    A39:
    2017

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 +7.9 mm versus A39
  2. 2. A39

    Height:
    149.1 mm +39.5 mm versus DX650
    Width:
    72.9 mm +13.9 mm versus DX650
    Depth:
    7.7 mm

Weight

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

  1. 1. DX650

    133 g

  2. 2. A39

    147 g

    +14 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.

  1. 1. DX650

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. A39

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

A39 has approximately 207% 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, A39, compared at the same storage capacity.
StorageDX650A39
32 GB Unknown 3 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. A39

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. A39

    2900 mAh

    +1640 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. A39

Everyday essentials
Everyday essentials — specifications for DX650, A39.
SpecificationDX650A39
Dimensions (HxWxD)
  • 109.6 Х 59 Х 15.6 mm
  • 149.1 Х 72.9 Х 7.7 mm
Weight
  • 133 g
  • 147 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5.2" 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
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1260 mAh
  • Removable Li-Ion
  • 2900 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 5.1 (Lollipop); ColorOS 3
Chipset Unknown
  • Mediatek MT6750 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for DX650, A39.
SpecificationDX650A39
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 74.5 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 37.5%
  • 68.6%
PPI /points per inch/
  • 143 PPI
  • 282 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for DX650, A39.
SpecificationDX650A39
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • f/2.2
  • 1/3''
  • AF
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • panorama
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications
  • Super AMOLED
  • 5 MP
  • f/2.4
  • 1/4''
  • 1.4µm
Performance

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

Performance — specifications for DX650, A39.
SpecificationDX650A39
Processor CPU
  • Samsung S3C 6410 533 MHz
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-T860MP2
GeekBench 4 Single Core * Unknown
  • 639
GeekBench 4 Multi-Core * Unknown
  • 2481
GeekBench 4 RenderScript * Unknown
  • 1870
General specs
General specs — specifications for DX650, A39.
SpecificationDX650A39
Release date
  • 2009
  • June
  • 2017
  • March
Colors
  • Black
  • Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
Unknown
Body build Unknown
  • aluminum body
  • plastic ends
Communication and Connectivity
Communication and Connectivity — specifications for DX650, A39.
SpecificationDX650A39
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Dual SIM (Nano-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 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500) LTE band 1(2100)
  • 20(800)
  • 28(700)
  • 39(1900)
  • 41(2500)
Speed
  • Super AMOLED
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
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
  • dual-band
  • hotspot
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • microUSB 2.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for DX650, A39.
SpecificationDX650A39
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, A39.
SpecificationDX650A39
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player
  • Sensors Accelerometer
  • proximity
  • compass