Google Pixel 3a vs HTC One A9

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.

  • Screen diagonal

    One A9: 0.6 in smaller diagonal

    Pixel 3a:
    5.6 in
    One A9:
    5 in
  • Chipset

    Pixel 3a:
    Qualcomm SDM670 Snapdragon 670 (10 nm)
    One A9:
    Qualcomm MSM8952 Snapdragon 617 (28 nm)
  • Depth

    One A9: 0.9 mm thinner

    Pixel 3a:
    8.2 mm
    One A9:
    7.3 mm
  • Height

    One A9: 5.5 mm shorter

    Pixel 3a:
    151.3 mm
    One A9:
    145.8 mm
  • Release year

    Pixel 3a:
    2019
    One A9:
    2015

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. Pixel 3a

    Height:
    151.3 mm +5.5 mm versus One A9
    Width:
    70.1 mm
    Depth:
    8.2 mm +0.9 mm versus One A9
  2. 2. One A9

    Height:
    145.8 mm
    Width:
    70.8 mm
    Depth:
    7.3 mm

Weight

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

  1. 1. Pixel 3a

    147 g

    +4 g versus One A9

  2. 2. One A9

    143 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. Pixel 3a

    Screen diagonal:
    5.6 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    79.6 cm²
  2. 2. One A9

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

Pixel 3a has approximately 15.5% more rectangular screen area than One A9.

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.

Pixel 3a: Original memory entry

64 GB · 512GB 4GB

One A9: Original memory entry

16 GB · 2 GB RAM32 GB · 3 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. Pixel 3a

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

2. One A9

NFC:
See details Yes (payments only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Pixel 3a

    3000 mAh

    +850 mAh versus One A9

  2. 2. One A9

    2150 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. Pixel 3a2. One A9

Everyday essentials
Everyday essentials — specifications for Pixel 3a, One A9.
SpecificationPixel 3aOne A9
Dimensions (HxWxD)
  • 151.3 Х 70.1 Х 8.2 mm
  • 145.8 Х 70.8 Х 7.3 mm
Weight
  • 147 g
  • 143 g
Technology
  • OLED
  • AMOLED
Screen size
  • 5.6" inch
  • 5" inch
Screen resolution
  • 1080 x 2220 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 16 GB
  • 2 GB RAM32 GB
  • 3 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 2150 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 6.0 (Marshmallow)
  • upgradable to 7.0 (Nougat); Sense UI
Chipset
  • Qualcomm SDM670 Snapdragon 670 (10 nm)
  • Qualcomm MSM8952 Snapdragon 617 (28 nm)
NFC
  • Yes
  • Yes (payments only)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Pixel 3a, One A9.
SpecificationPixel 3aOne A9
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Type OLED
  • 16M
Screen area
  • 79.6 cm2
  • 68.9 cm2
Screen format
  • 18.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 75.0%
  • 66.8%
PPI /points per inch/
  • 441 PPI
  • 441 PPI
Screen protection
  • Asahi Dragontrail Glass
  • Corning Gorilla Glass 3
Camera and Video

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

Camera and Video — specifications for Pixel 3a, One A9.
SpecificationPixel 3aOne A9
Rear camera, main
  • 12.2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 12.2 MP
  • f/1.8
  • 28mm (wide)
  • 1/2.55''
  • 1.4µm
  • OIS
  • dual pixel PDAF
  • 13 MP
  • f/2.0
  • OIS
  • AF
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 4 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 24mm (wide)
  • 1.12µm
  • 4 MP
  • f/2.0
  • 27mm (wide)
  • 1/3''
  • 2µm
DxOMark Main Score *
  • 101
Unknown
DxOMark Photo *
  • 104
Unknown
DxOMark Video *
  • 95
Unknown
Performance

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

Performance — specifications for Pixel 3a, One A9.
SpecificationPixel 3aOne A9
Processor CPU
  • Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 615
  • Adreno 405
Antutu 7 score *
  • 159213
  • 35247
GeekBench 4 Single Core *
  • 1603
  • 692
GeekBench 4 Multi-Core *
  • 5206
  • 3049
GeekBench 4 RenderScript *
  • 6426
  • 2110
GeekBench 4 Battery *
  • 4895
Unknown
GeekBench 5 Single Core *
  • 345
  • 128
GeekBench 5 Multi-Core *
  • 1300
  • 663
General specs
General specs — specifications for Pixel 3a, One A9.
SpecificationPixel 3aOne A9
Release date
  • 2019
  • May
  • 2015
  • September
Colors
  • Just Black
  • Clearly White
  • Purple-ish
  • Carbon Gray
  • Opal Silver
  • Topaz Gold
  • Deep Garnet
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 400 EUR
  • 300 EUR
Battery life Unknown
  • Stand by time- Up to 432 h (3G) Talking time- Up to 16 h (3G) Music play - Up to 60 h
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Pixel 3a, One A9.
SpecificationPixel 3aOne A9
SIM card
  • Nano-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100)
  • 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
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
  • HSPA
  • LTE-A Cat7 (2CA) 300/100 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 4.1
  • A2DP
  • aptX
Harmful irradiation Unknown
  • SAR EU - 0.41 W/kg (head)
Music and Audio
Music and Audio — specifications for Pixel 3a, One A9.
SpecificationPixel 3aOne A9
Radio Unknown
  • FM radio
Others
  • Always-on display
  • Active noise cancellation with dedicated mic
  • 24-bit/192kHz audio -Dolby audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Pixel 3a, One A9.
SpecificationPixel 3aOne A9
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging 18W -USB Power Delivery 2.0 - Versions: G020A
  • G020E
  • G020B
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0)