Samsung Galaxy J7 Star vs OnePlus 7T Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.5 inches
6.5 inches

Resolution:

1280 x 720 pixels, 16:9 ratio, 267 PPI
2400 x 1080 pixels, 20:9 ratio, 402 PPI

Technology:

TFT
Super AMOLED

Refresh rate:

90Hz

Screen-to-body:

71.45 %
86.43 %

Features:

Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip:

Samsung Exynos 7 Octa 7870 (14 nm)
Qualcomm Snapdragon 855+ SM8150-AC (7 nm)

Processor:

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit
Octa-core, 2960 MHz, Kryo 485, 64-bit

GPU:

Mali-T830 MP1
Adreno 640

RAM:

2GB LPDDR3
8GB LPDDR4

Internal storage:

32GB
128GB (UFS 3.0), not expandable

Storage expansion:

microSDXC up to 400 GB

Device type:

Smartphone
Smartphone

OS:

Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (11, 10), OxygenOS UI

Battery

Capacity:

3300 mAh
3800 mAh

Type:

Li - Polymer, Not user replaceable
Not user replaceable

Battery life test results:

Charging:

OnePlus Warp Charge

Max charge speed:

Wired: 30.0W

Camera

Rear:

Single camera
Triple camera

Main camera:

13 MP (PDAF)
48 MP (OIS, PDAF)

Specifications:

Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F1.6; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

12 MP (Telephoto, PDAF)

Specifications:

Optical zoom: 2.0x; Aperture size: F2.2; Focal Length: 51 mm; Pixel size: 1 μm

Third camera:

16 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.2; Focal Length: 17 mm

Flash:

LED
Dual LED

Video recording:

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

HDR, Time-lapse video, EIS

Front:

13 MP
16 MP (EIS, HDR)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)
6.34 x 2.93 x 0.32 inches (160.94 x 74.44 x 8.13 mm)

Weight:

6.38 oz (181.0 g)
6.70 oz (190.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Biometrics:

2D Face unlock
2D Face unlock, In-screen fingerprint

Features:

Touch sensitive control keys

Keys:

Left: Volume control; Right: Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key

Colors:

Blue
Glacier blue, Frosted silver

Cellular

4G (FDD):

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

4G (TDD):

Bands 34(2000), 38(2600), 39(1900+), 41(2600+), 46, 48(3600)

3G:

Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
Bands 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 6(800), 8(900)

Data Speed:

LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Dolby Atmos, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0
Type-C (reversible), USB 3.1

Features:

Charging
Charging, Headphones port

Location:

GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other:

NFC, ANT+, UMA (Wi-Fi Calling)
NFC

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

May 10, 2018

FCC ID value:

A3LSMJ737T

Measured SAR:

Head:

1.36 W/kg

Body:

1.01 W/kg

Simultaneous Transmission:

1.58 W/kg

Wireless Router:

1.11 W/kg

Phablet:

3.60 W/kg

Buyers information

Price:

$ 599

User Manual:

This is the official OnePl​us 7T User Guide in English provided from the manufacturer.

In The Box:

USB cable, Wall charging adapter, Start guide, Terms & Conditions
Warp Charge 30 power adapter, Warp Type-C cable, Quick Start guide, Welcome letter, Safety information and Warranty card, LOGO sticker, Case, Screen protector (pre-applied), SIM Tray ejector

Availability

Officially announced:

Sep 26, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless