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Samsung Galaxy A3 (2017)

Samsung Galaxy J7 (2017)

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Samsung Galaxy A3 (2017)
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Samsung Galaxy A3 (2017)

Samsung Galaxy J7 (2017)

Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network 1, 2, 3, 5, 7, 8, 20, 40 1, 3, 5, 7, 8, 20, 28, 40
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Launch
Announced 2017, January. Released 2017, January 2017, June
Status Discontinued Available. Released 2017, July
Body
Dimensions 135.4 x 66.2 x 7.9 mm (5.33 x 2.61 x 0.31 in) 152.5 x 74.8 x 8 mm (6.00 x 2.94 x 0.31 in)
Weight 138 g (4.87 oz) 181 g (6.38 oz)
Build Glass front (Gorilla Glass 4), glass back (Gorilla Glass 4), aluminum frame Glass front, aluminum back, aluminum frame
SIM Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
 IP68 dust/water resistant (up to 1.5m for 30 min)
Display
Type Super AMOLED Super AMOLED
Size 4.7 inches, 60.9 cm2 (~67.9% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~73.1% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~312 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection Corning Gorilla Glass 4
 Always-on display Always-on display
Platform
OS Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo) Android 7.0 (Nougat), upgradable to Android 9.0 (Pie), One UI
Chipset Exynos 7870 Octa (14 nm) Exynos 7870 Octa (14 nm)
CPU Octa-core 1.6 GHz Cortex-A53 Octa-core 1.6 GHz Cortex-A53
GPU Mali-T830 MP1 Mali-T830 MP1
Memory
Card slot microSDXC (uses shared SIM slot) - dual SIM model only microSDXC (dedicated slot)
Internal 16GB 2GB RAM 16GB 3GB RAM
 eMMC 5.1 eMMC 5.1
Main Camera
Modules 13 MP, f/1.9, 27mm (wide), AF 13 MP, f/1.7, 27mm (wide), 1/3.1", 1.12µm, AF
Features LED flash, panorama LED flash, panorama, HDR
Video 1080p@30fps 1080p@30fps
Selfie Camera
Modules 8 MP, f/1.9, 24mm (wide) 13 MP, f/1.9, 28mm (wide), 1/3.1", 1.12µm
Features LED flash
Video 1080p@30fps 1080p@30fps
ADVERTISEMENT
Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 4.2, A2DP, LE 4.1, A2DP, LE
Positioning GPS, GLONASS GPS, GLONASS, BDS
NFC Yes Yes
Infrared port No No
Radio FM radio FM radio
USB USB Type-C 2.0 microUSB 2.0, OTG
Features
Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
 ANT+
Samsung Pay
ANT+
Battery
Type Li-Ion 2350 mAh, non-removable Li-Ion 3600 mAh, non-removable
Talk time Up to 17 h (3G) Up to 24 h (3G)
Music play Up to 55 h Up to 91 h
Misc
Colors Black Sky, Gold Sand, Blue Mist, Peach Cloud Black, Blue, Gold, Rose Gold
SAR EU 0.35 W/kg (head)     1.38 W/kg (body)     0.57 W/kg (head)     1.33 W/kg (body)    
Models SM-A320F, SM-A320Y, SM-A320FL SM-J730F, SM-J730FM, SM-S727VL, SM-J730K
Price About 220 EUR About 200 EUR
Tests
Performance GFXBench: 3.9fps (ES 3.1 onscreen) GeekBench: 3779 (v4.4)
GFXBench: 1.9fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal), 3.688 (sunlight) Contrast ratio: Infinite (nominal), 3.812 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 66dB / Noise 66dB / Ring 75dB Voice 67dB / Noise 71dB / Ring 83dB
Audio quality Noise -94.7dB / Crosstalk -92.3dB Noise -92.8dB / Crosstalk -92.3dB
Battery (old) Endurance rating 93h Endurance rating 108h

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