Unnecto Air 4.5 vs Xiaomi Redmi 5a

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

    Air 4.5: 26.4 g lighter

    Air 4.5:
    110.6 g
    Redmi 5a:
    137 g
  • Width

    Air 4.5: 4.1 mm narrower

    Air 4.5:
    66 mm
    Redmi 5a:
    70.1 mm
  • Screen diagonal

    Air 4.5: 0.5 in smaller diagonal

    Air 4.5:
    4.5 in
    Redmi 5a:
    5 in
  • Height

    Air 4.5: 6.5 mm shorter

    Air 4.5:
    133.9 mm
    Redmi 5a:
    140.4 mm
  • Release year

    Air 4.5:
    2015
    Redmi 5a:
    2017

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. Air 4.5

    Height:
    133.9 mm
    Width:
    66 mm
    Depth:
    8.3 mm
  2. 2. Redmi 5a

    Height:
    140.4 mm +6.5 mm versus Air 4.5
    Width:
    70.1 mm +4.1 mm versus Air 4.5
    Depth:
    8.4 mm

Weight

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

  1. 1. Air 4.5

    110.6 g

  2. 2. Redmi 5a

    137 g

    +26.4 g versus Air 4.5

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. Air 4.5

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Redmi 5a

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

Redmi 5a has approximately 23.5% more rectangular screen area than Air 4.5.

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 Air 4.5, Redmi 5a, compared at the same storage capacity.
StorageAir 4.5Redmi 5a
8 GB 1 GB RAM Unknown
Redmi 5a: Original memory entry

32 GB · 3 GB RAM 16 GB · 2 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Air 4.5

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. Redmi 5a

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (dedicated 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. Air 4.5

    1700 mAh

  2. 2. Redmi 5a

    3000 mAh

    +1300 mAh versus Air 4.5

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. Air 4.52. Redmi 5a

Everyday essentials
Everyday essentials — specifications for Air 4.5, Redmi 5a.
SpecificationAir 4.5Redmi 5a
Dimensions (HxWxD)
  • 133.9 Х 66 Х 8.3 mm
  • 140.4 Х 70.1 Х 8.4 mm
Weight
  • 110.6 g
  • 137 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 7.1.2 (Nougat); MIUI 10
Chipset Unknown
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Air 4.5, Redmi 5a.
SpecificationAir 4.5Redmi 5a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 68.0 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 63.1%
  • 69.1%
PPI /points per inch/
  • 218 PPI
  • 296 PPI
Camera and Video
Camera and Video — specifications for Air 4.5, Redmi 5a.
SpecificationAir 4.5Redmi 5a
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • PDAF
  • f/2.2
Functions
  • LED flash
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@60fps
  • 1080p@30fps
Front camera, selfie
  • 3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 3 MP
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for Air 4.5, Redmi 5a.
SpecificationAir 4.5Redmi 5a
Processor CPU
  • Quad-core 1.3 GHz
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-450MP4
  • Adreno 308
Antutu 7 score * Unknown
  • 32456
GeekBench 4 Single Core * Unknown
  • 660
GeekBench 4 Multi-Core * Unknown
  • 2014
GeekBench 4 RenderScript * Unknown
  • 1368
GeekBench 5 Single Core * Unknown
  • 124
GeekBench 5 Multi-Core * Unknown
  • 410
General specs
General specs — specifications for Air 4.5, Redmi 5a.
SpecificationAir 4.5Redmi 5a
Release date
  • 2015
  • January
  • 2017
  • November
Colors
  • Black
  • White
  • Gray
  • Gold
  • Dark Gray
  • Rose Gold
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 110 EUR
Battery life
  • Stand by time- Up to 120 h (3G) Talking time- Up to 8 h (3G) Music play - Up to 24 h
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Air 4.5, Redmi 5a.
SpecificationAir 4.5Redmi 5a
SIM card
  • Dual SIM (dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • 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)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE
GPRS
  • Up to 107 kbps
  • Yes
Edge
  • Up to 296 kbps
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • 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
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Air 4.5, Redmi 5a.
SpecificationAir 4.5Redmi 5a
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Air 4.5, Redmi 5a.
SpecificationAir 4.5Redmi 5a
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • Infrared port - For India; China