HTC One M9 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

    Redmi 4a: 25.5 g lighter

    One M9:
    157 g
    Redmi 4a:
    131.5 g
  • Memory variants

    At 32 GB storage

    One M9:
    3 GB RAM
    Redmi 4a:
    2 GB RAM
  • Chipset

    One M9:
    Qualcomm MSM8994 Snapdragon 810 (20 nm)
    Redmi 4a:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Depth

    Redmi 4a: 1.1 mm thinner

    One M9:
    9.6 mm
    Redmi 4a:
    8.5 mm
  • Height

    Redmi 4a: 4.7 mm shorter

    One M9:
    144.6 mm
    Redmi 4a:
    139.9 mm
  • Release year

    One M9:
    2015
    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. One M9

    Height:
    144.6 mm +4.7 mm versus Redmi 4a
    Width:
    69.7 mm
    Depth:
    9.6 mm +1.1 mm versus Redmi 4a
  2. 2. Redmi 4a

    Height:
    139.9 mm
    Width:
    70.4 mm
    Depth:
    8.5 mm

Weight

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

  1. 1. One M9

    157 g

    +25.5 g versus Redmi 4a

  2. 2. Redmi 4a

    131.5 g

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. One M9

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Redmi 4a

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

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 One M9, Redmi 4a, compared at the same storage capacity.
StorageOne M9Redmi 4a
16 GB Not recorded 2 GB RAM
32 GB Recorded for all phones 3 GB RAM 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. One M9

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

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. One M9

    2840 mAh

  2. 2. Redmi 4a

    3120 mAh

    +280 mAh versus One M9

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. One M92. Redmi 4a

Everyday essentials
Everyday essentials — specifications for One M9, Redmi 4a.
SpecificationOne M9Redmi 4a
Dimensions (HxWxD)
  • 144.6 Х 69.7 Х 9.6 mm
  • 139.9 Х 70.4 Х 8.5 mm
Weight
  • 157 g
  • 131.5 g
Technology
  • Super LCD3
  • IPS LCD
Screen size
  • 5" inch
  • 5" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2840 mAh
  • Non-removable Li-Po
  • 3120 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 7.0 (Nougat); Sense UI 7
  • Android 6.0.1 (Marshmallow); MIUI 10
Chipset
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One M9, Redmi 4a.
SpecificationOne M9Redmi 4a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 68.0 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 68.4%
  • 69.0%
PPI /points per inch/
  • 441 PPI
  • 296 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for One M9, Redmi 4a.
SpecificationOne M9Redmi 4a
Rear camera, main
  • 20 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 20 MP
  • f/2.2
  • 28mm (wide)
  • 1/2.4''
  • 1.2µm
  • AF
  • 13 MP
  • AF
  • f/2.2
Functions
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 4 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 4 MP
  • f/2.0
  • 27mm (wide)
  • 1/3''
  • 2µm
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for One M9, Redmi 4a.
SpecificationOne M9Redmi 4a
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Adreno 430
  • Adreno 308
Antutu 7 score *
  • 104795
  • 43152
GeekBench 4 Single Core *
  • 1204
  • 664
GeekBench 4 Multi-Core *
  • 2476
  • 1740
GeekBench 4 RenderScript *
  • 3765
  • 1350
GeekBench 4 Battery *
  • 879
Unknown
GeekBench 5 Single Core *
  • 223
  • 123
GeekBench 5 Multi-Core *
  • 574
  • 396
General specs
General specs — specifications for One M9, Redmi 4a.
SpecificationOne M9Redmi 4a
Release date
  • 2015
  • March
  • 2016
  • November
Colors
  • Gunmetal Gray
  • Amber Gold
  • Silver/Rose gold
  • Gold/Pink
  • Pink
  • Gold
  • Rose Gold
  • Dark Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 360 EUR
  • 110 EUR
Battery life
  • Stand by time- Up to 391 h (2G) / Up to 402 h (3G) Talking time- Up to 25 h 20 min (2G) / Up to 21 h 50 min (3G)
Unknown
Body build
  • aluminum body
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for One M9, Redmi 4a.
SpecificationOne M9Redmi 4a
SIM card
  • Nano-SIM
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • 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 42.2/21.1 Mbps
  • LTE-A Cat6 300/50 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0 (MHL 3.0 TV-out)
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • aptX
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for One M9, Redmi 4a.
SpecificationOne M9Redmi 4a
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for One M9, Redmi 4a.
SpecificationOne M9Redmi 4a
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging (Quick Charge 2.0) - Also known as HTC M9
  • HTC One Hima
  • Sensors Accelerometer
  • gyro
  • proximity
  • Infrared port