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HTC One A9 vs Plum Check Plus

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.

  • Display technology

    OLED versus LCD

    One A9:
    OLED
    Check Plus:
    LCD
  • Width

    Check Plus: 7.4 mm narrower

    One A9:
    70.8 mm
    Check Plus:
    63.4 mm
  • Screen diagonal

    Check Plus: 0.5 in smaller diagonal

    One A9:
    5 in
    Check Plus:
    4.5 in
  • Chipset

    One A9:
    Qualcomm MSM8952 Snapdragon 617 (28 nm)
    Check Plus:
    Mediatek MT6572M (28 nm)
  • Depth

    One A9: 1.9 mm thinner

    One A9:
    7.3 mm
    Check Plus:
    9.2 mm
  • Height

    Check Plus: 15.8 mm shorter

    One A9:
    145.8 mm
    Check Plus:
    130 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. One A9

    Height:
    145.8 mm +15.8 mm versus Check Plus
    Width:
    70.8 mm +7.4 mm versus Check Plus
    Depth:
    7.3 mm
  2. 2. Check Plus

    Height:
    130 mm
    Width:
    63.4 mm
    Depth:
    9.2 mm +1.9 mm versus One A9

Weight

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

  1. 1. One A9

    143 g

    +1 g versus Check Plus

  2. 2. Check Plus

    142 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 A9

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

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

One A9 has approximately 23.5% more rectangular screen area than Check Plus.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

One A9: Original memory entry

16 GB · 2 GB RAM32 GB · 3 GB RAM

Check Plus: Original memory entry

4 GB · 512 MB 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 A9

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

2. Check Plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

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 A9

    2150 mAh

    +650 mAh versus Check Plus

  2. 2. Check Plus

    1500 mAh

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 A92. Check Plus

Everyday essentials
Everyday essentials — specifications for One A9, Check Plus.
SpecificationOne A9Check Plus
Dimensions (HxWxD)
  • 145.8 Х 70.8 Х 7.3 mm
  • 130 Х 63.4 Х 9.2 mm
Weight
  • 143 g
  • 142 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 5" inch
  • 4.5" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM32 GB
  • 3 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2150 mAh
  • Non-removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • upgradable to 7.0 (Nougat); Sense UI
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Qualcomm MSM8952 Snapdragon 617 (28 nm)
  • Mediatek MT6572M (28 nm)
NFC
  • Yes (payments only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One A9, Check Plus.
SpecificationOne A9Check Plus
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.8%
  • 67.7%
PPI /points per inch/
  • 441 PPI
  • 218 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for One A9, Check Plus.
SpecificationOne A9Check Plus
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • OIS
  • AF
  • 5 MP
  • AF
Functions
  • HDR
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 4 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 4 MP
  • f/2.0
  • 27mm (wide)
  • 1/3''
  • 2µm
  • 2 MP
  • AF
Performance

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

Performance — specifications for One A9, Check Plus.
SpecificationOne A9Check Plus
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 405
  • Mali-400
Antutu 7 score *
  • 35247
  • 5784
GeekBench 4 Single Core *
  • 692
Unknown
GeekBench 4 Multi-Core *
  • 3049
Unknown
GeekBench 4 RenderScript *
  • 2110
Unknown
GeekBench 5 Single Core *
  • 128
Unknown
GeekBench 5 Multi-Core *
  • 663
Unknown
General specs
General specs — specifications for One A9, Check Plus.
SpecificationOne A9Check Plus
Release date
  • 2015
  • September
  • 2014
  • May
Colors
  • Carbon Gray
  • Opal Silver
  • Topaz Gold
  • Deep Garnet
  • Pink
  • White/Blue
  • White/Red
  • Black/black
  • Black/Lime
  • Black/Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
Unknown
Battery life
  • Stand by time- Up to 432 h (3G) Talking time- Up to 16 h (3G) Music play - Up to 60 h
  • Stand by time- Up to 750 h (2G) / Up to 650 h (3G) Talking time- Up to 17 h (2G) / Up to 14 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for One A9, Check Plus.
SpecificationOne A9Check Plus
SIM card
  • Nano-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Americas HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 13(700)
  • 17(700)
  • 29(700) - Americas LTE band 1(2100)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500) - EMEA/ Asia
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE-A Cat7 (2CA) 300/100 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • aptX
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.41 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for One A9, Check Plus.
SpecificationOne A9Check Plus
Radio
  • FM radio
  • FM radio
Others
  • 24-bit/192kHz audio -Dolby audio enhancement -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for One A9, Check Plus.
SpecificationOne A9Check Plus
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0)
  • Sensors Accelerometer
  • gyro
  • proximity - Also known as Plum Z450