OnePlus 7T vs Samsung Galaxy A9 Star

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.

  • Width

    7T: 2.6 mm narrower

    7T:
    74.4 mm
    Galaxy A9 Star:
    77 mm
  • Screen diagonal

    Galaxy A9 Star: 0.25 in smaller diagonal

    7T:
    6.55 in
    Galaxy A9 Star:
    6.3 in
  • Chipset

    7T:
    Qualcomm SDM855 Snapdragon 855+ (7 nm)
    Galaxy A9 Star:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    7T:
    Triple
    Galaxy A9 Star:
    Dual
  • Depth

    Galaxy A9 Star: 0.5 mm thinner

    7T:
    8.1 mm
    Galaxy A9 Star:
    7.6 mm
  • Release year

    7T:
    2019
    Galaxy A9 Star:
    2018

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. 7T

    Height:
    160.9 mm
    Width:
    74.4 mm
    Depth:
    8.1 mm +0.5 mm versus Galaxy A9 Star
  2. 2. Galaxy A9 Star

    Height:
    162.4 mm
    Width:
    77 mm +2.6 mm versus 7T
    Depth:
    7.6 mm

Weight

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

  1. 1. 7T

    190 g

  2. 2. Galaxy A9 Star

    191 g

    +1 g versus 7T

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. 7T

    Screen diagonal:
    6.55 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    103.6 cm²
  2. 2. Galaxy A9 Star

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    100.7 cm²

7T has approximately 2.8% more rectangular screen area than Galaxy A9 Star.

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.

7T: Original memory entry

128GB 8GB RAM · 256GB 8GB RAM · UFS3.0

Galaxy A9 Star: Original memory entry

64 GB · 4/6 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. 7T

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

2. Galaxy A9 Star

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. 7T

    3800 mAh

    +100 mAh versus Galaxy A9 Star

  2. 2. Galaxy A9 Star

    3700 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. 7T2. Galaxy A9 Star

Everyday essentials
Everyday essentials — specifications for 7T, Galaxy A9 Star.
Specification7TGalaxy A9 Star
Dimensions (HxWxD)
  • 160.9 Х 74.4 Х 8.1 mm
  • 162.4 Х 77 Х 7.6 mm
Weight
  • 190 g
  • 191 g
Technology
  • Fluid AMOLED
  • Super AMOLED
Screen size
  • 6.55" inch
  • 6.3" inch
Screen resolution
  • 1080 x 2400 px
  • 1080 x 2220 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 8GB RAM
  • 256GB 8GB RAM
  • UFS3.0
  • 64 GB
  • 4/6 GB RAM
Memory card support
  • No
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3800 mAh
  • Non-removable Li-Po
  • 3700 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 10.0
  • Android 8 (Oreo)
Chipset
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for 7T, Galaxy A9 Star.
Specification7TGalaxy A9 Star
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 103.6 cm2
  • 100.7 cm2
Screen format
  • 20:9 (height:width)
  • 18.5:9 (height:width)
Screen to body ratio
  • 86.5%
  • 80.6%
PPI /points per inch/
  • 402 PPI
  • 392 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for 7T, Galaxy A9 Star.
Specification7TGalaxy A9 Star
Rear camera, main
  • 48 MP
  • Triple
  • 24 MP
  • Dual
Camera specs
  • 48 MP
  • f/1.6
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF
  • OIS -12 MP
  • f/2.2
  • 51mm (telephoto)
  • 1.0µm
  • 2x optical zoom -16 MP
  • 17mm (ultrawide)
  • AF
  • 24 MP
  • f/1.7 -16 MP
  • f/1.7
  • PDAF
Functions
  • Auto-HDR
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • gyro-EIS
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 24 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 25mm (wide)
  • 1/3.1''
  • 1.0µm
  • 24 MP
  • f/2.0
Performance

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

Performance — specifications for 7T, Galaxy A9 Star.
Specification7TGalaxy A9 Star
Processor CPU
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Adreno 640 (700 MHz)
  • Adreno 512
Antutu 7 score *
  • 401214
  • 104325
Antutu 8 score *
  • 494705
Unknown
GeekBench 5 Single Core *
  • 761
Unknown
GeekBench 5 Multi-Core *
  • 2697
Unknown
General specs
General specs — specifications for 7T, Galaxy A9 Star.
Specification7TGalaxy A9 Star
Release date
  • 2019
  • September 26
  • 2018
  • June
Colors
  • Frosted Silver
  • Glacier blue
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 600 EUR
  • 350 EUR
Body build
  • Front glass (Gorilla Glass)
  • back glass (Gorilla Glass)
  • aluminum frame
  • Front/back glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for 7T, Galaxy A9 Star.
Specification7TGalaxy A9 Star
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 29(700)
  • 32(1500)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100) - EU LTE band 1(2100)
  • 30(2300)
  • 46
  • 48
  • 66(1700/2100)
  • 71(600) - NA LTE band 1(2100)
  • 41(2500) - CN
  • IN
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Global LTE band 1(2100)
  • 41(2500) - China
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
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 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • SBAS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.43 W/kg (head) 1.79 W/kg (body)
Music and Audio
Music and Audio — specifications for 7T, Galaxy A9 Star.
Specification7TGalaxy A9 Star
Radio
  • No
  • FM radio
Others
  • DCI-P3 100% -HDR10+ -90Hz
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
  • Active noise cancellation with dedicated mic -Dolby Atmos sound (headphones only)
Other features
Other features — specifications for 7T, Galaxy A9 Star.
Specification7TGalaxy A9 Star
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 30W (Warp Charge 30T)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/1.67A -ANT+ - Samsung Pay - Versions: A8 Star (Global
  • SEA
  • South Korea); A9 Star (China)