T-Mobile MDA Compact IV vs Xiaomi Mi 4i

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: 32 g lighter

    MDA Compact IV:
    98 g
    Mi 4i:
    130 g
  • Width

    MDA Compact IV: 17.6 mm narrower

    MDA Compact IV:
    52 mm
    Mi 4i:
    69.6 mm
  • Screen diagonal

    MDA Compact IV: 2.2 in smaller diagonal

    MDA Compact IV:
    2.8 in
    Mi 4i:
    5 in
  • Chipset

    MDA Compact IV:
    Qualcomm MSM7201A
    Mi 4i:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Depth

    Mi 4i: 4.2 mm thinner

    MDA Compact IV:
    12 mm
    Mi 4i:
    7.8 mm
  • Height

    MDA Compact IV: 28.1 mm shorter

    MDA Compact IV:
    110 mm
    Mi 4i:
    138.1 mm

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 +4.2 mm versus Mi 4i
  2. 2. Mi 4i

    Height:
    138.1 mm +28.1 mm versus MDA Compact IV
    Width:
    69.6 mm +17.6 mm versus MDA Compact IV
    Depth:
    7.8 mm

Weight

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

  1. 1. MDA Compact IV

    98 g

  2. 2. Mi 4i

    130 g

    +32 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. Mi 4i

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

Mi 4i has approximately 183.9% 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.

Recorded RAM for MDA Compact IV, Mi 4i, compared at the same storage capacity.
StorageMDA Compact IVMi 4i
16 GB Unknown 2 GB RAM
32 GB Unknown 2 GB RAM
MDA Compact IV: Original memory entry

4 GB · 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. MDA Compact IV

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

2. Mi 4i

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

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. Mi 4i

    3120 mAh

    +2220 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. Mi 4i

Everyday essentials
Everyday essentials — specifications for MDA Compact IV, Mi 4i.
SpecificationMDA Compact IVMi 4i
Dimensions (HxWxD)
  • 110 Х 52 Х 12 mm
  • 138.1 Х 69.6 Х 7.8 mm
Weight
  • 98 g
  • 130 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5" inch
Screen resolution
  • 480 x 640 px
  • 1080 x 1920 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
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 900 mAh
  • Removable Li-Ion
  • 3120 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 5.0.2 (Lollipop); MIUI 8.2
Chipset
  • Qualcomm MSM7201A
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for MDA Compact IV, Mi 4i.
SpecificationMDA Compact IVMi 4i
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 68.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 42.4%
  • 71.7%
PPI /points per inch/
  • 286 PPI
  • 441 PPI
Screen protection Unknown
  • Corning scratch-resistant glass
Camera and Video
Camera and Video — specifications for MDA Compact IV, Mi 4i.
SpecificationMDA Compact IVMi 4i
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 13 MP
  • AF
  • f/2.0
Functions Unknown
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • CIF@30fps
  • 1080p@30fps
  • 480p@120fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA videocall camera
  • 5 MP
  • f/1.8
Performance

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

Performance — specifications for MDA Compact IV, Mi 4i.
SpecificationMDA Compact IVMi 4i
Processor CPU
  • 528 MHz ARM 11
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 130
  • Adreno 405
Antutu 7 score * Unknown
  • 40156
GeekBench 4 Single Core * Unknown
  • 617
GeekBench 4 Multi-Core * Unknown
  • 1374
GeekBench 4 RenderScript * Unknown
  • 1404
General specs
General specs — specifications for MDA Compact IV, Mi 4i.
SpecificationMDA Compact IVMi 4i
Release date
  • 2008
  • May
  • 2015
  • April
Colors
  • Black
  • Dark Gray
  • Black
  • White
  • Yellow
  • Blue
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 260 EUR
Battery life
  • Stand by time- Up to 285 h Talking time- Up to 5 h 30 min
  • Talking time- Up to 35 h (3G)
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for MDA Compact IV, Mi 4i.
SpecificationMDA Compact IVMi 4i
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1900 / 2100 TD-SCDMA -4G - LTE band 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • A2DP
  • 4.1
  • A2DP
Harmful irradiation
  • SAR - 1.33 W/kg (head) 1.44 W/kg (body)
  • SAR - 1.29 W/kg (head)
Music and Audio
Music and Audio — specifications for MDA Compact IV, Mi 4i.
SpecificationMDA Compact IVMi 4i
Radio
  • Stereo FM radio
  • RDS
  • Stereo FM radio
Others
  • TouchFLO 3D finger swipe navigation -Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for MDA Compact IV, Mi 4i.
SpecificationMDA Compact IVMi 4i
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player -Predictive text input
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 40% in 60 min (Quick Charge)