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Acer DX900 vs ZTE V821

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

    V821: 27 g lighter

    DX900:
    147 g
    V821:
    120 g
  • Width

    V821: 4 mm narrower

    DX900:
    60.5 mm
    V821:
    56.5 mm
  • Depth

    V821: 5.2 mm thinner

    DX900:
    17 mm
    V821:
    11.8 mm
  • Height

    DX900: 10 mm shorter

    DX900:
    106 mm
    V821:
    116 mm
  • Release year

    DX900:
    2009
    V821:
    2011

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 +4 mm versus V821
    Depth:
    17 mm +5.2 mm versus V821
  2. 2. V821

    Height:
    116 mm +10 mm versus DX900
    Width:
    56.5 mm
    Depth:
    11.8 mm

Weight

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

  1. 1. DX900

    147 g

    +27 g versus V821

  2. 2. V821

    120 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.

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

  1. 1. DX900

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. V821

    V821: 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

DX900: Original memory entry

128 MB RAM · 256 MB ROM

V821: Original memory entry

256 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. DX900

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

2. V821

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. V821

Everyday essentials
Everyday essentials — specifications for DX900, V821.
SpecificationDX900V821
Dimensions (HxWxD)
  • 106 Х 60.5 Х 17 mm
  • 116 Х 56.5 Х 11.8 mm
Weight
  • 147 g
  • 120 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 0" inch
Screen resolution
  • 480 x 640 px
  • 320 x 240 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
  • 256 MB
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
  • 0 mAh,
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 2.2 (Froyo)
Chipset Unknown
  • Mediatek MT6516
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for DX900, V821.
SpecificationDX900V821
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors
  • 65K
  • 65K
Screen area
  • 24.3 cm2
Unknown
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 37.9%
Unknown
PPI /points per inch/
  • 286 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for DX900, V821.
SpecificationDX900V821
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 2 MP
  • AF
Functions
  • Dual-LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for DX900, V821.
SpecificationDX900V821
Processor CPU
  • 533 MHz Samsung S3C 6410
  • 416 MHz
General specs
General specs — specifications for DX900, V821.
SpecificationDX900V821
Release date
  • 2009
  • February
  • 2011
  • June
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 220 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to10 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for DX900, V821.
SpecificationDX900V821
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 GSM 900 / 1800 / 1900 - SIM 2
Unknown
Speed
  • HSPA 7.2/0.384 Mbps
Unknown
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • microUSB 2.0
  • A2DP
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for DX900, V821.
SpecificationDX900V821
Radio
  • panorama
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for DX900, V821.
SpecificationDX900V821
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900
  • Acer Tempo X960
  • MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input