T-Mobile MDA Compact IV vs T-Mobile Vivacity

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

    MDA Compact IV: 20 g lighter

    MDA Compact IV:
    98 g
    Vivacity:
    118 g
  • Width

    MDA Compact IV: 6 mm narrower

    MDA Compact IV:
    52 mm
    Vivacity:
    58 mm
  • Screen diagonal

    MDA Compact IV: 0.7 in smaller diagonal

    MDA Compact IV:
    2.8 in
    Vivacity:
    3.5 in
  • Depth

    Vivacity: 1.5 mm thinner

    MDA Compact IV:
    12 mm
    Vivacity:
    10.5 mm
  • Height

    MDA Compact IV: 5 mm shorter

    MDA Compact IV:
    110 mm
    Vivacity:
    115 mm
  • Release year

    MDA Compact IV:
    2008
    Vivacity:
    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. MDA Compact IV

    Height:
    110 mm
    Width:
    52 mm
    Depth:
    12 mm +1.5 mm versus Vivacity
  2. 2. Vivacity

    Height:
    115 mm +5 mm versus MDA Compact IV
    Width:
    58 mm +6 mm versus MDA Compact IV
    Depth:
    10.5 mm

Weight

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

  1. 1. MDA Compact IV

    98 g

  2. 2. Vivacity

    118 g

    +20 g versus MDA Compact IV

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. MDA Compact IV

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

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

Vivacity has approximately 43.6% more rectangular screen area than MDA Compact IV.

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.

MDA Compact IV: Original memory entry

4 GB · 128 MB RAM · 256 MB ROM

Vivacity: Original memory entry

512 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. MDA Compact IV

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

2. Vivacity

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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. MDA Compact IV

    900 mAh

  2. 2. Vivacity

    1500 mAh

    +600 mAh versus MDA Compact IV

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. MDA Compact IV2. Vivacity

Everyday essentials
Everyday essentials — specifications for MDA Compact IV, Vivacity.
SpecificationMDA Compact IVVivacity
Dimensions (HxWxD)
  • 110 Х 52 Х 12 mm
  • 115 Х 58 Х 10.5 mm
Weight
  • 98 g
  • 118 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 3.5" 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.
  • 4 GB
  • 128 MB RAM
  • 256 MB ROM
  • 512 MB
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 900 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 2.3 (Gingerbread)
Chipset
  • Qualcomm MSM7201A
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for MDA Compact IV, Vivacity.
SpecificationMDA Compact IVVivacity
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 256K
Screen area
  • 24.3 cm2
  • 34.9 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 42.4%
  • 52.3%
PPI /points per inch/
  • 286 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for MDA Compact IV, Vivacity.
SpecificationMDA Compact IVVivacity
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 5 MP
Functions Unknown
  • LED flash
Video
  • CIF@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for MDA Compact IV, Vivacity.
SpecificationMDA Compact IVVivacity
Processor CPU
  • 528 MHz ARM 11
Unknown
Graphics processor GPU
  • Adreno 130
Unknown
General specs
General specs — specifications for MDA Compact IV, Vivacity.
SpecificationMDA Compact IVVivacity
Release date
  • 2008
  • May
  • 2011
  • November
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 170 EUR
Battery life
  • Stand by time- Up to 285 h Talking time- Up to 5 h 30 min
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for MDA Compact IV, Vivacity.
SpecificationMDA Compact IVVivacity
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • Yes
Harmful irradiation
  • SAR - 1.33 W/kg (head) 1.44 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for MDA Compact IV, Vivacity.
SpecificationMDA Compact IVVivacity
Radio
  • Stereo FM radio
  • RDS
  • Stereo FM radio
  • RDS
Others
  • TouchFLO 3D finger swipe navigation -Handwriting recognition
Unknown
Other features
Other features — specifications for MDA Compact IV, Vivacity.
SpecificationMDA Compact IVVivacity
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player -Predictive text input
  • Sensors Accelerometer
  • proximity
  • compass - MP4/WMV/H.264 player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer -Voice memo/dial -Predictive text input