Samsung Galaxy J7 Duo vs Oppo A79
Product
Price
240 USD
240 USD
Status
Discontinued
Available
Brand
Samsung Mobile
Oppo Mobiles
Model No
Galaxy J7 Duo
CPH2553
Launch Date
2018, January 19
2023, October 28
Website
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
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 bands
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 38, 40, 41
1, 3, 5, 8, 28, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE-A, 5G
5G bands
1, 3, 28, 40, 41, 77, 78 SA/NSA
Dimensions
153.5 x 77.2 x 8.2 mm (6.04 x 3.04 x 0.32 in)
165.6 x 76 x 8 mm (6.52 x 2.99 x 0.31 in)
Weight
174 g (6.14 oz)
193 g (6.81 oz)
SIM
Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Colors
Black, Gold, Rose Gold, White, Blue
Mystery Black, Glowing Green
Build
Panda glass
IPX4 splash resistant
Type
Super AMOLED capacitive touchscreen, 16M colors
IPS LCD, 90Hz, 680 nits (peak)
Size
5.5 inches, 83.4 cm2 (~70.4% screen-to-body ratio)
6.72 inches, 109.0 cm2 (~86.6% screen-to-body ratio)
Resolution
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
1080 x 2400 pixels, 20:9 ratio (~392 ppi density)
OS
Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
Android 13, ColorOS 13.1
Chipset
Exynos 7885 (14 nm)
Mediatek Dimensity 6020 (7 nm)
CPU
Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G71
Mali-G57 MC2
RAM
3GB/4GB
8GB
Storage
32GB, eMMC 5.1
128GB
UFS 2.2
Card Slot
microSDXC (dedicated slot)
microSDXC
Lens 1
13 MP, f/1.9, AF
50 MP, f/1.8, (wide), PDAF
Lens 2
5 MP, f/1.9, (depth)
2 MP, f/2.4, (depth)
Features
Exposure compensation, ISO control Shooting Modes, High Dynamic Range mode (HDR), Digital Zoom, Auto Flash, Face detection, Touch to focus
LED flash, HDR, panorama
Video
1080p@30fps
1080p@30fps
Lens 1
8 MP, f/1.9
8 MP, f/2.0, (wide)
Features
F1.9, AF, Touch To Focus
HDR
Video
1080p@30fps
1080p@30fps
Capacity
Removable Li-Ion 3000 mAh battery
Li-Po 5000 mAh, non-removable
Charging
33W wired, 51% in 30 min (advertised)
Sensors
Fingerprint (front-mounted), accelerometer, proximity ,ANT+
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
Yes
Yes
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
4.2, A2DP, LE
5.3, A2DP, LE, aptX HD
GPS
A-GPS, GLONASS, BDSRadio,FM radio
GPS, GALILEO, GLONASS, BDS, QZSS
Radio
FM radio
USB
microUSB 2.0
USB Type-C 2.0, OTG