Samsung Galaxy S9 vs Samsung Galaxy J7 Star Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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| Samsung Galaxy S9 | Samsung Galaxy J7 Star |
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Released
·
Mar 16, 2018
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Released
·
Jul 13, 2018
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5.8-inch · 2960x1440px
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5.5-inch · 1280x720px
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Single camera
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Single camera
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4GB · 64GB
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2GB · 32GB
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3000 mAh
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3300 mAh
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| Check prices |
Availability
| Officially announced | |
|---|---|
| Feb 25, 2018 | |
| Prices (MSRP) | |
| $720 | |
Design
| Dimensions | |
|---|---|
| 5.81 x 2.70 x 0.33 inches 147.7 x 68.7 x 8.5 mm |
6.03 x 3 x 0.34 inches 153.2 x 76.2 x 8.6 mm |
| Weight | |
| 5.75 oz (163.0 g) | 6.38 oz (181.0 g) |
| Materials | |
| Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum |
|
| Resistance | |
| Water, Dust; IP68 | |
| Biometrics | |
| Iris scanner, 2D Face unlock, Fingerprint (touch) | 2D Face unlock |
| Features | |
| Notification light | Touch sensitive control keys |
| Keys | |
| Left: Volume control, Other; Right: Lock/Unlock key | Left: Volume control; Right: Lock/Unlock key |
| Colors | |
| Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue | Blue |
Display
| Size | |
|---|---|
| 5.8-inch, 84.36% screen-to-body | 5.5-inch, 71.45% screen-to-body |
| Type | |
| Super AMOLED, HDR | TFT |
| Resolution | |
| 2960x1440px, 18.5:9 ratio, 568 PPI | 1280x720px, 16:9 ratio, 267 PPI |
| Protection | |
| Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
Hardware
| System chip | |
|---|---|
| Snapdragon 845 SDM845 (10 nm) | Samsung Exynos 7 Octa 7870 (14 nm) |
| Processor | |
| Octa-core 2800 MHz Kryo 385 |
Octa-core 1600 MHz ARM Cortex-A53 |
| GPU | |
| Adreno 630 | Mali-T830 MP1 |
| Memory | |
| 4GB (LPDDR4)/64GB 4GB/128GB 4GB/256GB |
2GB (LPDDR3)/32GB |
| Storage expansion | |
| microSDXC up to 400 GB | microSDXC up to 400 GB |
| OS | |
| Android (10, 9.0 Pie, 8.0 Oreo) | Android (9.0 Pie, 8.0 Oreo) |
Battery
| Type | |
|---|---|
| 3000 mAh, Li - Ion | 3300 mAh, Li - Polymer |
| Charging | |
| Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging Qi and Powermat wireless charging |
|
Camera
| Rear | |
|---|---|
| Single camera | Single camera |
| Main camera | |
| 12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Sensor size: 1/2.55" Pixel size: 1.4 μm |
13 MP (PDAF) Aperture size: F1.7 Focal length: 28 mm Sensor size: 1/3.06" Pixel size: 1.12 μm |
| Flash | |
| LED | LED |
| Video recording | |
| 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing |
1080p (30 fps) |
| Front | |
| 8 MP (Autofocus, HDR) Video capture: QHD (30 fps) |
13 MP |
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.0 | 4.2 |
| WLAN | |
| a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac | a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac |
| USB | |
| Type-C, USB 3.1 | microUSB, USB 2.0 |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor |
| Hearing aid compatible | |
| M3/T3 | |
| Location | |
| GPS, A-GPS, Glonass, Galileo, BeiDou | GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning |
| Other | |
| NFC, ANT+ | NFC, ANT+, UMA (Wi-Fi Calling) |
Multimedia
| Headphones | |
|---|---|
| 3.5mm jack | 3.5mm jack |
| Speakers | |
| Earpiece, Multiple speakers | Earpiece, Loudspeaker |
| Features | |
| 32-Bit DAC, aptX-HD | |
| Screen mirroring | |
| Wireless screen share | Wireless screen share |
| Radio | |
| FM | |
| Additional microphone(s) | |
| Noise cancellation | |
Cellular
| 4G (FDD) Bands | |
|---|---|
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71 | 2, 4, 5, 12, 66, 71 |
| 4G (TDD) Bands | |
| 38, 39, 40, 41, 46 | |
| 3G Bands | |
| 5, 8, 4, 2, 1 | 5, 4, 2, 1 |
| Data Speed | |
| LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA | LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s |
| SIM type | |
| Nano SIM | Nano SIM |
| HD Voice | |
| Yes | |
Regulatory Approval
| FCC approval | |
|---|---|
| Date approved: Jan 11, 2018 FCC ID value: A3LSMG960U | Date approved: May 10, 2018 FCC ID value: A3LSMJ737T |
| Measured SAR | |
| Head: 0.35 W/kg Body: 0.96 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.95 W/kg |
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 |
Alternative variants
International version
| System chip | Samsung Exynos 9 9810 (10 nm) |
|---|---|
| Processor |
Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55 |
| GPU | Mali-G72 MP18 |
| FCC approval |
Date approved: Dec 27, 2017 FCC ID value: A3LSMG960F |
| Measured SAR |
Head: 0.26 W/kg Body: 1.00 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.04 W/kg |
with Dual SIM
| System chip | Samsung Exynos 9 9810 (10 nm) |
|---|---|
| Processor |
Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55 |
| GPU | Mali-G72 MP18 |
| Dual SIM | Yes |
with 256 GB storage
| Memory | 256GB |
|---|---|
| Prices (MSRP) | $820 |
with 128 GB storage
| Memory | 128GB |
|---|---|
| Prices (MSRP) | $770 |
Links
| Full specifications | |
|---|---|
| Samsung Galaxy S9 Specs | Samsung Galaxy J7 Star Specs |
| PhoneArena Review | |
| Samsung Galaxy S9 Review | |
| User Reviews | |
| Samsung Galaxy S9 User Reviews | |
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