Product
Samsung Galaxy J7 (2018)
Samsung Galaxy J7 (2018)
Apple iPhone 4s
Apple iPhone 4s
Battery
Stand-by - Up to 200 h (3G)
Talk time - Up to 8 h (3G)
Type Li-Ion 3300 mAh, non-removable Li-Po 1432 mAh, non-removable (5.3 Wh)
Body
Build Glass front (Gorilla Glass 5), plastic back, plastic frame Glass front (Corning-made glass), glass back, stainless steel frame
Dimensions 153.2 x 76.2 x 8.6 mm (6.03 x 3.00 x 0.34 in) 115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in)
SIM Nano-SIM Micro-SIM
Weight 181 g (6.38 oz) 140 g (4.94 oz)
  - Scratch-resistant glass back panel
Comms
Bluetooth 4.1/4.2, A2DP, LE 4.0, A2DP, LE
NFC Yes (operator dependent) -
Positioning GPS, GLONASS GPS, A-GPS, GLONASS
Radio FM radio (SM-J737T1 only) No
USB microUSB 2.0, OTG 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 b/g/n, hotspot
Display
Protection Corning Gorilla Glass 5 Corning Gorilla Glass, oleophobic coating
Resolution 720 x 1280 pixels, 16:9 ratio (~267 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 5.5 inches, 83.4 cm2 (~71.4% screen-to-body ratio) 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Type TFT IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
  ANT+ -
Launch
Announced 2018, June. Released 2018, July 2011, October 04. Released 2011, October 14
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Single 8 MP, AF or 13 MP, f/1.7, AF (operator dependent) 8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 16GB 2GB RAM, 32GB 2GB RAM 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM
  eMMC 5.1 -
Misc
Colors Black, Blue, Gold Black, White
Models SM-J737F, SM-J737V, SM-J737T, SM-J737A, SM-J737P, SM-J737T1, SM-J737U, SM-J737S, SM-J737R4 A1431, A1387, iPhone4,1
SAR - 1.18 W/kg (head)     0.98 W/kg (body)    
SAR EU - 0.99 W/kg (head)     0.99 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 1700(AWS) / 1900 / 2100 - SM-J737U HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 12, 66 - SM-J737U -
Speed HSPA, LTE HSPA 14.4/5.76 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO
  2, 3, 4, 5, 7, 12, 14 - SM-J737A CDMA2000 1xEV-DO
Platform
Chipset Exynos 7870 Octa (14 nm) Apple A5 (45 nm)
CPU Octa-core 1.6 GHz Cortex-A53 Dual-core 1.0 GHz Cortex-A9
GPU Mali-T830 MP1 PowerVR SGX543MP2
OS Android 8.0 (Oreo), upgradable to Android 9.0 (Pie), One UI iOS 5, upgradable to iOS 9.3.6
Selfie camera
Single 5 MP / 13 MP, f/1.7 (operator dependent) VGA, videocalling over Wi-Fi and 3G
Video 480p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
Tests
Audio quality - Noise -91.2dB / Crosstalk -93.0dB
Battery (old) - Endurance rating 45h
Camera - Photo / Video
Display - Contrast ratio: 1261:1 (nominal) / 2.269:1 (sunlight)
Loudspeaker - Voice 65dB / Noise 64dB / Ring 74dB