T-Mobile Vivacity vs Xiaomi Redmi 4a

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

    Vivacity: 13.5 g lighter

    Vivacity:
    118 g
    Redmi 4a:
    131.5 g
  • Width

    Vivacity: 12.4 mm narrower

    Vivacity:
    58 mm
    Redmi 4a:
    70.4 mm
  • Screen diagonal

    Vivacity: 1.5 in smaller diagonal

    Vivacity:
    3.5 in
    Redmi 4a:
    5 in
  • Depth

    Redmi 4a: 2 mm thinner

    Vivacity:
    10.5 mm
    Redmi 4a:
    8.5 mm
  • Height

    Vivacity: 24.9 mm shorter

    Vivacity:
    115 mm
    Redmi 4a:
    139.9 mm
  • Release year

    Vivacity:
    2011
    Redmi 4a:
    2016

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. Vivacity

    Height:
    115 mm
    Width:
    58 mm
    Depth:
    10.5 mm +2 mm versus Redmi 4a
  2. 2. Redmi 4a

    Height:
    139.9 mm +24.9 mm versus Vivacity
    Width:
    70.4 mm +12.4 mm versus Vivacity
    Depth:
    8.5 mm

Weight

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

  1. 1. Vivacity

    118 g

  2. 2. Redmi 4a

    131.5 g

    +13.5 g versus Vivacity

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. Vivacity

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. Redmi 4a

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

Redmi 4a has approximately 97.7% more rectangular screen area than Vivacity.

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 Vivacity, Redmi 4a, compared at the same storage capacity.
StorageVivacityRedmi 4a
16 GB Unknown 2 GB RAM
32 GB Unknown 2 GB RAM
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. Vivacity

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

2. Redmi 4a

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 battery capacity

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

  1. 1. Vivacity

    1500 mAh

  2. 2. Redmi 4a

    3120 mAh

    +1620 mAh versus Vivacity

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. Vivacity2. Redmi 4a

Everyday essentials
Everyday essentials — specifications for Vivacity, Redmi 4a.
SpecificationVivacityRedmi 4a
Dimensions (HxWxD)
  • 115 Х 58 Х 10.5 mm
  • 139.9 Х 70.4 Х 8.5 mm
Weight
  • 118 g
  • 131.5 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3120 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.3 (Gingerbread)
  • Android 6.0.1 (Marshmallow); MIUI 10
Chipset Unknown
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Vivacity, Redmi 4a.
SpecificationVivacityRedmi 4a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 34.9 cm2
  • 68.0 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 52.3%
  • 69.0%
PPI /points per inch/
  • 267 PPI
  • 296 PPI
Camera and Video
Camera and Video — specifications for Vivacity, Redmi 4a.
SpecificationVivacityRedmi 4a
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • AF
  • f/2.2
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for Vivacity, Redmi 4a.
SpecificationVivacityRedmi 4a
Processor CPU Unknown
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 308
Antutu 7 score * Unknown
  • 43152
GeekBench 4 Single Core * Unknown
  • 664
GeekBench 4 Multi-Core * Unknown
  • 1740
GeekBench 4 RenderScript * Unknown
  • 1350
GeekBench 5 Single Core * Unknown
  • 123
GeekBench 5 Multi-Core * Unknown
  • 396
General specs
General specs — specifications for Vivacity, Redmi 4a.
SpecificationVivacityRedmi 4a
Release date
  • 2011
  • November
  • 2016
  • November
Colors
  • Black
  • Gold
  • Rose Gold
  • Dark Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 110 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Vivacity, Redmi 4a.
SpecificationVivacityRedmi 4a
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 20(800)
  • 38(2600)
  • 40(2300)
Speed
  • HSPA
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • Yes
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Vivacity, Redmi 4a.
SpecificationVivacityRedmi 4a
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Vivacity, Redmi 4a.
SpecificationVivacityRedmi 4a
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/WMV/H.264 player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer -Voice memo/dial -Predictive text input
  • Sensors Accelerometer
  • gyro
  • proximity
  • Infrared port