Acer DX900 vs Oppo R817 Real

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    R817 Real: 22 g lighter

    DX900:
    147 g
    R817 Real:
    125 g
  • Width

    DX900: 2.5 mm narrower

    DX900:
    60.5 mm
    R817 Real:
    63 mm
  • Screen diagonal

    DX900: 1.2 in smaller diagonal

    DX900:
    2.8 in
    R817 Real:
    4 in
  • Depth

    R817 Real: 7.3 mm thinner

    DX900:
    17 mm
    R817 Real:
    9.7 mm
  • Height

    DX900: 17 mm shorter

    DX900:
    106 mm
    R817 Real:
    123 mm
  • Release year

    DX900:
    2009
    R817 Real:
    2012

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. DX900

    Height:
    106 mm
    Width:
    60.5 mm
    Depth:
    17 mm +7.3 mm versus R817 Real
  2. 2. R817 Real

    Height:
    123 mm +17 mm versus DX900
    Width:
    63 mm +2.5 mm versus DX900
    Depth:
    9.7 mm

Weight

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

  1. 1. DX900

    147 g

    +22 g versus R817 Real

  2. 2. R817 Real

    125 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. DX900

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. R817 Real

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

R817 Real has approximately 87.6% more rectangular screen area than DX900.

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 DX900, R817 Real, compared at the same storage capacity.
StorageDX900R817 Real
4 GB Unknown 1 GB RAM
DX900: Original memory entry

128 MB RAM · 256 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. DX900

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

2. R817 Real

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. DX900

    1530 mAh

  2. 2. R817 Real

    1710 mAh

    +180 mAh versus DX900

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. DX9002. R817 Real

Everyday essentials
Everyday essentials — specifications for DX900, R817 Real.
SpecificationDX900R817 Real
Dimensions (HxWxD)
  • 106 Х 60.5 Х 17 mm
  • 123 Х 63 Х 9.7 mm
Weight
  • 147 g
  • 125 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 4" inch
Screen resolution
  • 480 x 640 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
  • 4 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.
  • 1530 mAh
  • Removable Li-Po
  • 1710 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 4.0.4 (Ice Cream Sandwich)
Chipset Unknown
  • Mediatek MT6577 (40 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for DX900, R817 Real.
SpecificationDX900R817 Real
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 45.5 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 37.9%
  • 58.8%
PPI /points per inch/
  • 286 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for DX900, R817 Real.
SpecificationDX900R817 Real
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA videocall camera
  • VGA
Performance
Performance — specifications for DX900, R817 Real.
SpecificationDX900R817 Real
Processor CPU
  • 533 MHz Samsung S3C 6410
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531u
General specs
General specs — specifications for DX900, R817 Real.
SpecificationDX900R817 Real
Release date
  • 2009
  • February
  • 2012
  • October
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 100 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to10 h
  • Stand by time- Up to 400 h (2G) / Up to 380 h (3G) Talking time- Up to 8 h 40 min (2G) / Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for DX900, R817 Real.
SpecificationDX900R817 Real
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Mini-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 GSM 900 / 1800 / 1900 - SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/0.384 Mbps
  • 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
  • Yes
Music and Audio
Music and Audio — specifications for DX900, R817 Real.
SpecificationDX900R817 Real
Radio
  • panorama
  • No
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for DX900, R817 Real.
SpecificationDX900R817 Real
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900
  • Acer Tempo X960
  • Sensors Accelerometer
  • proximity