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  2. T-Mobile MDA Basic vs vivo X21 UD

T-Mobile MDA Basic vs vivo X21 UD

Compare recorded specifications, size and practical differences.

vivo X21 UD

vivo X21 UD

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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.

      • WeightMDA Basic: 46.2 g lighterMDA Basic: 110 g · X21 UD: 156.2 g
      • WidthMDA Basic: 15.8 mm narrowerMDA Basic: 59 mm · X21 UD: 74.8 mm
      • Screen diagonalMDA Basic: 3.48 in smaller diagonalMDA Basic: 2.8 in · X21 UD: 6.28 in
      • ChipsetTI OMAP 850 / Qualcomm SDM660 Snapdragon 660 (14 nm)MDA Basic: TI OMAP 850 · X21 UD: Qualcomm SDM660 Snapdragon 660 (14 nm)
      • Rear camera layoutSingle / DualMDA Basic: Single · X21 UD: Dual
      • DepthX21 UD: 8.6 mm thinnerX21 UD: 7.4 mm · MDA Basic: 16 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.

      Front
      MDA Basic: 105 × 59 mm 1 X21 UD: 154.5 × 74.8 mm 2
      Side
      MDA Basic: 105 × 16 mm 1 X21 UD: 154.5 × 7.4 mm 2
      1. 1. MDA Basic
        Height
        105 mm
        Width
        59 mm
        Depth
        16 mm+8.6 mm versus X21 UD
        Weight
        110 g
      2. 2. X21 UD
        Height
        154.5 mm+49.5 mm versus MDA Basic
        Width
        74.8 mm+15.8 mm versus MDA Basic
        Depth
        7.4 mm
        Weight
        156.2 g
      Weight

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

      1. 1. MDA Basic110 g
      2. 2. X21 UD156.2 g

        +46.2 g versus MDA Basic

      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.

      Screen size
      MDA Basic: 2.8 in, 4:3, About 24.3 cm² rectangular area 1 X21 UD: 6.28 in, 19:9, About 98.4 cm² rectangular area 2
      1. 1. MDA Basic 2.8 in · 4:3 About 24.3 cm² rectangular area
      2. 2. X21 UD 6.28 in · 19:9 About 98.4 cm² rectangular area

      X21 UD has approximately 305.4% more rectangular screen area than MDA Basic.

      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 by storage capacity and phone
      StorageMDA BasicX21 UD
      128 GB Unknown 6 GB RAM
      MDA Basic: 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. MDA Basic

      NFC
      Unknown
      Headphone jack
      No
      Memory card support
      See details microSD (dedicated slot)

      2. X21 UD

      NFC
      Unknown
      Headphone jack
      Yes
      Memory card support
      See details microSD · up to 256 GB (uses SIM 2 slot)

      Battery capacity

      Capacity is not battery life. No endurance test is implied.

      Recorded capacity

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

      1. 1. MDA Basic1100 mAh
      2. 2. X21 UD3200 mAh

        +2100 mAh versus MDA Basic

      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 Basic2. X21 UD

      Everyday essentials
      Everyday essentials
      SpecificationMDA BasicX21 UD
      Dimensions (HxWxD)
      • 105 Х 59 Х 16 mm
      • 154.5 Х 74.8 Х 7.4 mm
      Weight
      • 110 g
      • 156.2 g
      Technology
      • TFT
      • Super AMOLED
      Screen size
      • 2.8" inch
      • 6.28" inch
      Screen resolution
      • 240 x 320 px
      • 1080 x 2280 px
      Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
      • 128 MB RAM
      • 256 MB ROM
      • 128 GB
      • 6 GB RAM
      Memory card support
      • microSD (dedicated slot)
      • microSD
      • up to 256 GB (uses SIM 2 slot)
      BatteryCapacity is not battery life. No endurance test is implied.
      • 1100 mAh
      • Removable Li-Ion
      • 3200 mAh
      • Non-removable Li-Ion
      Operating system OS
      • Microsoft Windows Mobile 6.1 Professional
      • Android 8.1 (Oreo); Funtouch 4
      Chipset
      • TI OMAP 850
      • Qualcomm SDM660 Snapdragon 660 (14 nm)
      Headphone jack
      • No
      • Yes
      Display
      Display
      SpecificationMDA BasicX21 UD
      Touchscreen
      • resistive touchscreen
      • capacitive touchscreen
      Display colors
      • 65K
      • 16M
      Screen area
      • 24.3 cm2
      • 98.4 cm2
      Screen format
      • 4:3 (height:width)
      • 19:9 (height:width)
      Screen to body ratio
      • 39.2%
      • 85.2%
      PPI /points per inch/
      • 143 PPI
      • 402 PPI
      Camera and Video
      Camera and Video
      SpecificationMDA BasicX21 UD
      Rear camera, main
      • 2 MP
      • Single
      • 12 MP
      • Dual
      Camera specs
      • 2 MP
      • 12 MP
      • f/1.8
      • 1/2.55''
      • 1.4µm
      • dual pixel PDAF -5 MP
      • f/2.4
      • depth sensor
      Functions Unknown
      • LED flash
      • HDR
      • panorama
      Video
      • Yes
      • 1080p@30fps
      Front camera, selfie
      • 0 MP,
      • 12 MP
      • Single
      Specifications Unknown
      • 12 MP
      • f/2.0
      Performance
      Performance
      SpecificationMDA BasicX21 UD
      Processor CPU
      • 200 MHz ARM926EJ-S
      • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
      Graphics processor GPU Unknown
      • Adreno 512
      Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
      • 143592
      General specs
      General specs
      SpecificationMDA BasicX21 UD
      Release date
      • 2009
      • January
      • 2018
      • March
      Colors
      • Gray
      • Black
      • Ruby Red
      Historical recorded priceLegacy catalogue value; date unknown. Not a current offer. Unknown
      • 550 EUR
      Battery life
      • Stand by time- Up to 270 h Talking time- Up to 8 h
      		 Unknown
      Body build Unknown
      • Front glass
      • aluminum body
      Communication and Connectivity
      Communication and Connectivity
      SpecificationMDA BasicX21 UD
      SIM card
      • Mini-SIM
      • Hybrid Dual SIM (Nano-SIM
      • dual stand-by)
      Network Unknown
      • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
      • 2(1900)
      • 3(1800)
      • 5(850)
      • 8(900)
      • 34(2000)
      • 38(2600)
      • 39(1900)
      • 40(2300)
      • 41(2500)
      Speed Unknown
      • HSPA 42.2/5.76 Mbps
      • LTE-A (2CA) Cat6 300/50 Mbps
      GPRS
      • Class 10
      • Yes
      Edge
      • Class 10
      • Yes
      Wi-Fi
      • Wi-Fi 802.11b/g
      • Wi-Fi 802.11 a/b/g/n/ac
      • dual-band
      • WiFi Direct
      • hotspot
      GPS
      • No
      • Yes
      • with A-GPS
      • GLONASS
      USB
      • miniUSB
      • microUSB 2.0
      • USB On-The-Go
      Bluetooth
      • 2.0
      • A2DP
      • 5.0
      • A2DP
      • LE
      Music and Audio
      Music and Audio
      SpecificationMDA BasicX21 UD
      Radio
      • No
      • FM radio
      Others
      • TouchFLO finger swipe navigation -Handwriting recognition -5-way navigation
      • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
      Other features
      Other features
      SpecificationMDA BasicX21 UD
      Dop
      • Pocket Office -Voice memo -MP3/AAC player
      • Sensors Fingerprint (under display)
      • accelerometer
      • proximity
      • compass - Fast battery charging

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