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Samsung Galaxy J7
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Samsung Galaxy A21s

Samsung Galaxy J7
Our video review on Youtube
Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41 1, 3, 5, 7, 8, 20, 40
Speed HSPA, LTE HSPA 21.1/5.76 Mbps
HSPA, LTE Cat4 150/50 Mbps
Launch
Announced 2020, May 15 2015, June 19. Released 2015, July 16
Status Available. Released 2020, June 02 Discontinued
Body
Dimensions 163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in) 152.2 x 78.7 x 7.5 mm (5.99 x 3.10 x 0.30 in)
3D size compare
Weight 192 g (6.77 oz) 171 g (6.03 oz)
Build Glass front, plastic frame, plastic back Glass front, plastic back, plastic frame
SIM Nano-SIM
Nano-SIM + Nano-SIM		 Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Display
Type PLS LCD Super AMOLED
Size 6.5 inches, 102.0 cm2 (~82.8% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~69.6% screen-to-body ratio)
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Platform
OS Android 10, upgradable to Android 12, One UI 4.1 Android 5.1 (Lollipop), upgradable to 7.1.1 (Nougat)
Chipset Exynos 850 (8 nm) Qualcomm MSM8939 Snapdragon 615 (28 nm)
Exynos 7580 Octa (28 nm)
CPU Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55) Octa-core (4x1.4 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core 1.5 GHz Cortex-A53
GPU Mali-G52 Adreno 405
Mali-T720MP2
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 3GB RAM, 128GB 4GB RAM, 128GB 6GB RAM 16GB 1.5GB RAM
 eMMC 5.1 eMMC 5.0 or eMMC 4.5
Main Camera
Modules 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)		 13 MP, f/1.9, 28mm (wide), AF
Features LED flash, panorama, HDR LED flash, panorama
Video 1080p@30fps 1080p@30fps
Selfie Camera
Modules 13 MP, f/2.2, (wide), 1/3.1", 1.12µm 5 MP, f/2.2, 23mm (wide)
Features LED flash
Video 1080p@30fps
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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 b/g/n, Wi-Fi Direct, hotspot
Bluetooth 5.0, A2DP, LE 4.1, A2DP
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS
NFC Yes (market/region dependent) Yes (Snapdragon model only)
Infrared port No No
Radio FM radio, RDS, recording FM radio, RDS, recording
USB USB Type-C 2.0 microUSB 2.0
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Accelerometer, proximity
  ANT+
Battery
Type Li-Po 5000 mAh Li-Ion 3000 mAh, removable
Charging 15W wired
Talk time Up to 18 h (3G)
Music play Up to 76 h
Misc
Colors Black, White, Blue, Red White, Black, Gold
SAR 1.25 W/kg (head)     1.36 W/kg (body)    
SAR EU 0.42 W/kg (head)     1.54 W/kg (body)     0.50 W/kg (head)     0.37 W/kg (body)    
Models SM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M, SM-A217M/DS, SM-A217N SM-J700F, SM-J700H, SM-J700M, SM-J700T, J7, SM-J700T1, SM-J700K, SM-J700P, SM-j7008
Price About 220 EUR About 200 EUR
Tests
Performance AnTuTu: 107157 (v8)
GeekBench: 1100 (v5.1)
GFXBench: 11fps (ES 3.1 onscreen)		 Basemark OS II 2.0: 709
Basemark X: 3922
Display 1287:1 contrast ratio, 490 nits max brightness (measured) Contrast ratio: Infinite (nominal), 3.879 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker -30.0 LUFS (Average) Voice 63dB / Noise 62dB / Ring 66dB
Audio quality Noise -96.1dB / Crosstalk -73.2dB
Battery (old) Endurance rating 119h Endurance rating 91h

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