Compare: Samsung Galaxy J7 Duo vs Samsung Galaxy A40
General Features
-
5.5"Super AMOLED
-
13MPDual camera
-
4GB RAMExynos 7885
-
3000mAhLi-Ion
Pros
SD Card area available
FM Radio support
Dual sim support
Multiple color options
Cons
HD+ Screen
Not water resistant
No Infrared
Brand
Samsung
Announced
Release Date
2018, April
Status
Available
Out Price
About 240 EUR
Display
Type
Super AMOLED
Aspect Ratio and PPI
16:9 ratio - 267 ppi density
Size
5.5 inches, 83.4 cm2 (~70.4% screen-to-body ratio)
Resolution
720 x 1280 pixels
Peak brightness (nit)
Protection
Corning Gorilla Glass 3
Features
BODY
Colors
Black
Gold
Rose Gold
White
Dimensions
153.5 x 77.2 x 8.2 mm (6.04 x 3.04 x 0.32 in)
Weight
174 gr (6.14 oz)
Material
Back: Plastic
Certification
Waterproof
No
Sensors
Fingerprint (front-mounted), accelerometer, proximity
3.5mm Jack
Yes
NFC
No
Infrared
No
USB Type
Yes
Loudspeaker Loudness (dB)
PLATFORM
Chipset
Samsung Exynos 7 Octa 7884
CPU
Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Bits
Cores
8
Process technology
14 nm
GPU
Mali-G71
GPU Cores
GPU Frequency
OS
Android 8.0 (Oreo)
MEMORY
RAM Capacity
4 GB RAM
RAM Type
Storage
32 GB
SD Card Slot
microSD, up to 256 GB (dedicated slot)
PERFORMANCE SCORES
Antutu Score
98k
Antutu
V7
Geek Bench Score
GeekBench
Single Score
BATTERY
Capacity
3000
Type
Li-Ion
Quick Charge Technology
Video Playback Time
17 hours
Fast Charging
Wireless Charging
Main Camera
First Camera
Resolution
Sensor
Aperture
f/1.9
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fourth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fifth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Sixth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Image Resolution
13 megapixels
Video Resolution and FPS
1920x1080 (Full) - (30 fps)
Optical Stabilisation (OIS)
No
Electronic Stabilisation (EIS)
Slow Motion Video
Features
DxOMark Score
Mobile Score (Rear)
Mobile
Selfie Score
Selfie
Selfie Camera
First Camera
Resolution
8 MP
Sensor
Aperture
f/1.9
Pixel Size
Sensor Size
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Video Resolution and FPS
null
Features
LED flash
CONNECTIVITY
Technology
GSM / HSPA / LTE
2G Bands
GSM - 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Bands
HSDPA - 850 / 900 / 1900 / 2100
4G Bands
LTE Band - 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
5G Bands
TD-SCDMA
Navigation
Yes, with A-GPS, GLONASS, BDS
Network Speed
HSPA, LTE Cat4 150/50 Mbps
SIM Card Type
Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Number of SIM Area
2
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
Bluetooth
4.2, A2DP, LE
OTHERS
VoLTE
FM Radio
Yes
SAR The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue.
Body SAR (EU)
1.397 W/kg
Head SAR (EU)
0.543 W/kg
Body SAR (USA)
Head SAR (USA)
Additional
Extra
Cooling System
HDMI
General Features
-
5.9"Super AMOLED
-
16MPDual camera
-
4GB RAMExynos 7885
-
3100 mAhLi-Po
Pros
SD Card area available
FM Radio support
NFC support
Dual sim support
Cons
Not water resistant
No Infrared
Brand
Samsung
Announced
Release Date
Apr 10, 2019
Status
Available
Out Price
About 220 EUR
Display
Type
Super AMOLED
Aspect Ratio and PPI
19.5:9 ratio - 437 ppi density
Size
5.9 inches, 85.5 cm2 (~85.5% screen-to-body ratio)
Resolution
1080 x 2340 pixels
Peak brightness (nit)
Protection
Corning Gorilla Glass 3
Features
BODY
Colors
Black
White
Blue
Coral
Dimensions
144.4 x 69.2 x 7.9 mm (5.69 x 2.72 x 0.31 in)
Weight
140 gr (4.94 oz)
Material
Back: Plastic
Certification
Waterproof
No
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
3.5mm Jack
Yes
NFC
Yes
Infrared
No
USB Type
3.1, Type-C 1.0 reversible connector
Loudspeaker Loudness (dB)
PLATFORM
Chipset
Samsung Exynos 7 Octa 7885
CPU
Octa-core (2x1.77 GHz Cortex-A73 & 6x1.59 GHz Cortex-A53)
Bits
64Bit
Cores
8
Process technology
14 nm
GPU
Mali-G71 MP2
GPU Cores
2
GPU Frequency
OS
Android 9.0 (Pie)
MEMORY
RAM Capacity
4GB
RAM Type
LPDDR4X
Storage
64GB
SD Card Slot
microSD, up to 1 TB (dedicated slot)
PERFORMANCE SCORES
Antutu Score
109k
Antutu
V7
Geek Bench Score
GeekBench
Single Score
BATTERY
Capacity
3100
Type
Li-Po
Quick Charge Technology
Video Playback Time
14 hours
Fast Charging
Yes
Wireless Charging
Main Camera
First Camera
Resolution
Sensor
Aperture
f/1.7
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fourth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fifth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Sixth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Image Resolution
4608 x 3456 pixels, 15.93 MP
Video Resolution and FPS
1920x1080 (Full) - (30 fps)
Optical Stabilisation (OIS)
No
Electronic Stabilisation (EIS)
Slow Motion Video
Yes
Features
DxOMark Score
Mobile Score (Rear)
Mobile
Selfie Score
Selfie
Selfie Camera
First Camera
Resolution
25 MP
Sensor
Aperture
f/2.0
Pixel Size
Sensor Size
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Video Resolution and FPS
1080p@30fps
Features
CONNECTIVITY
Technology
GSM / HSPA / LTE
2G Bands
GSM - 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Bands
HSDPA - 850 / 900 / 1900 / 2100
4G Bands
B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
5G Bands
TD-SCDMA
Navigation
Yes, with A-GPS, GLONASS, GALILEO, BDS
Network Speed
HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps
SIM Card Type
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Number of SIM Area
2
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
Bluetooth
5.0, A2DP, LE
OTHERS
VoLTE
Yes
FM Radio
Yes
SAR The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue.
Body SAR (EU)
1.34 W/kg
Head SAR (EU)
0.49 W/kg
Body SAR (USA)
Head SAR (USA)
Additional
Extra
Cooling System
HDMI
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