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