Brand/Manufacture
Samsung
Samsung
Model
Samsung Galaxy J7 Prime
Samsung Galaxy M31
Code Name
SM-G610F, SM-G610Y, SM-G610M, SM-G610
SM-M315F, SM-M315F/DS, SM-M315F/DSN
Announcement Date
01 September, 2016. Released 30 November, 2016
25 February, 2020
Official Release
—
05 March, 2020
Official Availability
Discontinued
Available.
Release Country
Global
Global
Screen Size
5.5 inches, 83.4 cm2 (~73.3% screen-to-body ratio),
6.4 inches, 100.5 cm2(~84.1% screen-to-body ratio)
Resolution & Pixel Density
1080 x 1920 pixels, 16:9 ratio, ~401 ppi density
1080 x 2340 pixels, 19.5:9 ratio, ~403 ppi density
Brightness/Color Depth
PLS LCD
420 nits (peak)
Panel Type
PLS LCD
Super AMOLED, 420 nits (peak)
Extra Feature
Corning Gorilla Glass (market dependent), N/A
Corning Gorilla Glass 3, N/A
Dimensions (Size)
151.7 x 75 x 8 mm (5.97 x 2.95 x 0.31 in)
159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)
Physical Weight
167 g (5.89 oz)
191 g (6.74 oz)
Body Materials
Glass front (Gorilla Glass), aluminum/plastic back, aluminum frame
Glass front (Gorilla Glass 3), plastic back, plastic frame
Color Variant
Black, Gold, Rose Gold
Ocean Blue, Space Black, Red
RAM & ROM Variant
16GB, 32GB, 64GB
64GB, 128GB, 128GB
Processor Variant
Exynos 7870 Octa (14 nm)
Exynos 9611 (10 nm)
Core Chipset (CPU)
Exynos 7870 Octa (14 nm)
Exynos 9611 (10 nm)
Graphics Power (GPU)
Mali-T830 MP1
Mali-G72 MP3
Operating System (OS)
Android 6.0.1 (Marshmallow), upgradable to Android 9.0 (Pie), One UI
Android 10, upgradable to Android 12, One UI 4.1
Sensor/lens
8 MP, f/1.9
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video Recording
1080p@30fps
4K@30fps, 1080p@30fps
Features/Modes
N/A
HDR
Sensor/lens
N/A
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF8 MP, f/2.2, 1/4.0", 1.12µm5 MP, f/2.4, (macro)5 MP, f/2.2, (depth)
Telephoto Lens
No
No
Ultrawide Lens
No
123˚ (ultrawide)
3D ToF Sensor or LiDAR Scanner
N/A
N/A
Video Capabilities
1080p@30fps
4K@30fps, 1080p@30fps, gyro-EIS
Features/Modes
LED flash, panorama, HDR
LED flash, panorama, HDR
Battery Capacity
Li-Ion 3300 mAh
Li-Po 6000 mAh
Battery Type
non-removable
non-removable
Charging Methods
N/A
15W wired
Reverse Charging Support
No
No
Network Technology
GSM / HSPA / LTE
GSM / HSPA / LTE
SIM-Support
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
WiFi Version
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth Version
4.1, A2DP, LE
5.0, A2DP, LE
USB Type
microUSB 2.0, OTG
USB Type-C 2.0
NFC Supported
No
Yes (market/region dependent)
Headphone Jack Supported
Yes
Yes
FM Radio Supported
FM radio
FM radio, RDS, recording
Infrared Supported
No
No
Speakers
Yes
Yes
Dedicated Features
ANT+
Virtual proximity sensing
Durability (Water & Dust)
N/A
N/A
