Category Breakdown
Samsung Galaxy A3 (2017)
Samsung Galaxy J7
Performance
60.360.3
Camera
42.442.4
Display
79.579.5
Battery
43.543.5
Build
79.879.8
Overall
59.159.1
Summary
- The Samsung Galaxy A3 (2017) features a more premium build quality with glass front and back along with an aluminum frame, while the Galaxy J7 has a plastic back and frame, making it less robust.
- The A3 has a smaller 4.7-inch Super AMOLED display with a higher pixel density of 312 ppi compared to the J7's 5.5-inch display at 267 ppi.
- In terms of performance, the A3 is powered by the Exynos 7870 Octa chipset, offering slightly better efficiency than the J7's Snapdragon 615.
- Both devices have a 13 MP rear camera, but the A3 has an 8 MP selfie camera, outperforming the J7's 5 MP.
- The A3's battery capacity is 2350 mAh, significantly lower than the J7's 3000 mAh, which may affect longevity.
- Finally, the A3 runs on Android 6.0.1, upgradable to 8.0, while the J7 starts with Android 5.1 and is upgradable to 7.1.1, indicating a more recent software experience for the A3.
Side-by-side Specification Comparison
Samsung Galaxy A3 (2017)
Samsung Galaxy J7
General
Release Date
2017
2015, July 16
Announced
2017
2015, June 19
Description
Versions: A320FL (Europe); A320F (UAE, TUR); A320F/DS (Global Dual-SIM); A320Y/DS (LATAM, IDN, THA); A320Y (NZL, MEX). Also known as Samsung Galaxy A3 (2017) Duos with dual-SIM card slots
Versions: J700F (India, Thailand); J700M (LATAM); J700M/DS (Brazil); J700H with no LTE (South Africa, Pakistan, Vietnam, Philippines, Russia); J700T (T-Mobile, Metro PCS); J700P (Virgin Mobile, Boost).
Also known as Samsung Galaxy J7 Duos with dual-SIM card slots
Display
Size
4.7"
5.5"
Type
Super AMOLED
Super AMOLED
Resolution
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Corning Gorilla Glass 4
N/A
Performance
Chipset
Exynos 7870 Octa (14 nm)
Qualcomm MSM8939 Snapdragon 615 (28 nm)Exynos 7580 Octa (28 nm)
CPU
Octa-core 1.6 GHz Cortex-A53
Octa-core (4x1.4 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)Octa-core 1.5 GHz Cortex-A53
GPU
Mali-T830 MP1
Adreno 405Mali-T720MP2
Memory
16GB 2GB RAM
16GB 1.5GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot) - dual SIM model only
microSDXC (dedicated slot)
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP, f/1.9, 27mm (wide), AF
13 MP, f/1.9, 28mm (wide), AF
Front Camera
8 MP
5 MP
Front Camera Details
8 MP, f/1.9, 24mm (wide)
5 MP, f/2.2, 23mm (wide)
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
2350 mAh
3000 mAh
Battery Details
Li-Ion 2350 mAh, non-removable
Li-Ion 3000 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
135.4 x 66.2 x 7.9 mm (5.33 x 2.61 x 0.31 in)
152.2 x 78.7 x 7.5 mm (5.99 x 3.10 x 0.30 in)
Weight
138 g
171 g
Materials
Glass front (Gorilla Glass 4), glass back (Gorilla Glass 4), aluminum frame
Glass front, plastic back, plastic frame
Water Resistance
N/A
N/A
Colors
Black Sky, Gold Sand, Blue Mist, Peach Cloud
White, Black, Gold
Foldable
✗
✗
Connectivity
SIM
Nano-SIMNano-SIM + Nano-SIM
Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
HSPA 21.1/5.76 MbpsHSPA, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
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
4.2, A2DP, LE
4.1, A2DP
NFC
✓
✓
USB
USB Type-C 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS
GPS, GLONASS
Software
Operating System
Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo)
Android 5.1 (Lollipop), upgradable to 7.1.1 (Nougat)
OS Version
Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo)
Android 5.1 (Lollipop), upgradable to 7.1.1 (Nougat)
Security
Fingerprint
✓
✗
Face Unlock
✗
✗
Sensors
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Accelerometer, proximity
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

