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Apple iPhone X long-term review

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Samsung Galaxy J7 (2017)

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Samsung Galaxy J7 (2017)
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Samsung Galaxy A7 (2017)

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Network Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 40(2300) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500)
Speed HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
GPRS Yes Yes
EDGE Yes Yes
Launch Announced 2017, June 2017, January
Status Available. Released 2017, July Available. Released 2017, January
Body Dimensions 152.5 x 74.8 x 8 mm (6.00 x 2.94 x 0.31 in) 156.8 x 77.6 x 7.9 mm (6.17 x 3.06 x 0.31 in)
Weight 181 g (6.38 oz) 186 g (6.56 oz)
Build Front glass, aluminum body Front/back glass, aluminum frame
SIM Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
  - Samsung Pay
- IP68 certified - dust/water proof (up to 1.5m for 30 mins)
Display Type Super AMOLED capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors
Size 5.5 inches, 83.4 cm2 (~73.1% screen-to-body ratio) 5.7 inches, 89.6 cm2 (~73.6% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~401 ppi density) 1080 x 1920 pixels, 16:9 ratio (~386 ppi density)
Multitouch Yes Yes
Protection Corning Gorilla Glass 4
 - Always-on display - Always-on display
Platform OS Android 7.0 (Nougat) Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo)
Chipset Exynos 7870 Octa Exynos 7880 Octa
CPU Octa-core 1.6 GHz Cortex-A53 Octa-core 1.9 GHz Cortex-A53
GPU Mali-T830 MP1 Mali-T830MP3
Memory Card slot microSD, up to 256 GB (dedicated slot) microSD, up to 256 GB (dedicated slot)
Internal 16 GB, 3 GB RAM 32 GB, 3 GB RAM
Camera Primary 13 MP, f/1.7, autofocus, LED flash, check quality 16 MP (f/1.9, 27mm), autofocus, LED flash, check quality
Features Geo-tagging, touch focus, face detection, panorama, HDR Geo-tagging, touch focus, face detection, panorama, HDR
Video 1080p@30fps, check quality 1080p@30fps, check quality
Secondary 13 MP, f/1.9, LED flash, 1080p 16 MP, f/1.9, 1080p
Sound Alert types Vibration; MP3, WAV ringtones Vibration; MP3, WAV ringtones
Loudspeaker Yes Yes
3.5mm jack Yes Yes
  - Active noise cancellation with dedicated mic
Comms WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
Bluetooth 4.1, A2DP, LE 4.2, A2DP, EDR, LE
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS
NFC Yes Yes
Infrared port No No
Radio FM radio FM radio
USB microUSB 2.0, USB On-The-Go 2.0, Type-C 1.0 reversible connector
Features Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Messaging SMS(threaded view), MMS, Email, Push Email, IM SMS(threaded view), MMS, Email, Push Email, IM
Browser HTML5 HTML5
Java No No
 - ANT+ support
- MP4/WMV/H.264 player
- MP3/WAV/WMA/eAAC+/FLAC player
- Photo/video editor
- Document viewer
- Fast battery charging
- ANT+ support
- MP4/WMV/H.265 player
- MP3/WAV/WMA/eAAC+/FLAC player
- Photo/video editor
- Document viewer
Battery   Non-removable Li-Ion 3600 mAh battery Non-removable Li-Ion 3600 mAh battery
Stand-by
Talk time Up to 24 h (3G) Up to 23 h (3G)
Music play Up to 91 h Up to 59 h
Misc
Colors Black, Blue, Gold, Rose Gold Black Sky, Gold Sand, Blue Mist and Peach Cloud
SAR 1.00 W/kg (head)     0.71 W/kg (body)    
SAR EU 0.57 W/kg (head)     1.33 W/kg (body)     0.21 W/kg (head)     1.33 W/kg (body)    
Price About 230 EUR About 390 EUR
Tests Performance Basemark OS II: 1171 / Basemark X: 5489 Basemark OS II: 1619 / Basemark OS II 2.0: 497
Basemark X: 14619
Display Contrast ratio: Infinite (nominal), 3.812 (sunlight) Contrast ratio: Infinite (nominal), 4.124(sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 67dB, noise 71dB, ring 83dB Voice 66dB, noise 66dB, ring 81dB
Audio quality Noise -92.8dB / Crosstalk -92.3dB Noise-91.9dB / Crosstalk -90.3dB
Battery life 108h endurance rating 115h endurance rating

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