Screen size
Galaxy M08Winner: 6.7"+4.5%
Galaxy M31 Prime6.4"
Quick verdict
Galaxy M31 Prime leads the measured specs 8-6.
Measured wins
Galaxy M08
6
spec wins
Ties
8
equal specs
Galaxy M31 Prime
8
spec wins
Overall winner
Screen size
Technology
Galaxy M08
GSM / HSPA / LTE
Galaxy M31 Prime
GSM / HSPA / LTE
2G bands
Galaxy M08
GSM 850 / 900 / 1800 / 1900
Galaxy M31 Prime
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy M08
HSDPA 850 / 900 / 2100
Galaxy M31 Prime
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy M08
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Galaxy M31 Prime
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
Speed
Galaxy M08
HSPA, LTE
Galaxy M31 Prime
HSPA, LTE
Announced
Galaxy M08
2026, October 01
Galaxy M31 Prime
2020, October 14. Released 2020, October 17
Status
Galaxy M08
Released Oct 2026
Galaxy M31 Prime
Discontinued
Dimensions
Galaxy M08
167.4 x 77.4 x 8 mm (6.59 x 3.05 x 0.31 in)
Galaxy M31 Prime
159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)
Weight
Galaxy M08
197 g (6.95 oz)
Galaxy M31 Prime
191 g (6.74 oz)
Build
Galaxy M08
Glass front, plastic back, plastic frame
Galaxy M31 Prime
Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM
Galaxy M08
Nano-SIM + Nano-SIM
Galaxy M31 Prime
Nano-SIM + Nano-SIM
Other
Galaxy M08
IP64 dust tight and water resistant (water splashes)
Galaxy M31 Prime
-
Type
Galaxy M08
PLS LCD, 90Hz
Galaxy M31 Prime
Super AMOLED, 420 nits (peak)
Size
Galaxy M08
6.7 inches, 108.4 cm2 (~83.6% screen-to-body ratio)
Galaxy M31 Prime
6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio)
Resolution
Galaxy M08
720 x 1600 pixels, 20:9 ratio (~262 ppi density)
Galaxy M31 Prime
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection
Galaxy M08
-
Galaxy M31 Prime
Corning Gorilla Glass 3
OS
Galaxy M08
Android 17, up to 6 major OS updates, One UI 9
Galaxy M31 Prime
Android 10, One UI 2.0
Chipset
Galaxy M08
Mediatek Helio G99+ (6 nm)
Galaxy M31 Prime
Exynos 9611 (10 nm)
CPU
Galaxy M08
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Galaxy M31 Prime
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU
Galaxy M08
Mali-G57 MC2
Galaxy M31 Prime
Mali-G72 MP3
Card slot
Galaxy M08
microSDXC (dedicated slot)
Galaxy M31 Prime
microSDXC (dedicated slot)
Internal
Galaxy M08
64GB 4GB RAM
Galaxy M31 Prime
64GB 6GB RAM, 128GB 6GB RAM
Other
Galaxy M08
-
Galaxy M31 Prime
UFS 2.1
Dual
Galaxy M08
50 MP, f/1.8, (wide), 1/2.76", 0.64µm, PDAF Auxiliary lens
Galaxy M31 Prime
-
Features
Galaxy M08
LED flash
Galaxy M31 Prime
LED flash, panorama, HDR
Video
Galaxy M08
1080p@30/60fps
Galaxy M31 Prime
4K@30fps, 1080p@30fps, gyro-EIS
Quad
Galaxy M08
-
Galaxy M31 Prime
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 5 MP (macro) Auxiliary lens
Single
Galaxy M08
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Galaxy M31 Prime
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video
Galaxy M08
Yes
Galaxy M31 Prime
4K@30fps, 1080p@30fps
Features
Galaxy M08
-
Galaxy M31 Prime
HDR
Loudspeaker
Galaxy M08
Yes
Galaxy M31 Prime
Yes
3.5mm jack
Galaxy M08
Yes
Galaxy M31 Prime
Yes
WLAN
Galaxy M08
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Galaxy M31 Prime
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Galaxy M08
5.3, A2DP, LE
Galaxy M31 Prime
5.0, A2DP, LE
Positioning
Galaxy M08
GPS, GLONASS, GALILEO, BDS
Galaxy M31 Prime
GPS, GLONASS, GALILEO, BDS
NFC
Galaxy M08
No
Galaxy M31 Prime
No
Radio
Galaxy M08
FM radio
Galaxy M31 Prime
FM radio, RDS, recording
USB
Galaxy M08
USB Type-C 2.0
Galaxy M31 Prime
USB Type-C 2.0
Sensors
Galaxy M08
Fingerprint (side-mounted), accelerometer, proximity
Galaxy M31 Prime
Fingerprint (rear-mounted), accelerometer, gyro, compass
Other
Galaxy M08
-
Galaxy M31 Prime
Virtual proximity sensing
Type
Galaxy M08
6000 mAh
Galaxy M31 Prime
Li-Po 6000 mAh
Charging
Galaxy M08
25W wired
Galaxy M31 Prime
15W wired
Colors
Galaxy M08
Silver
Galaxy M31 Prime
Ocean Blue, Space Black, Iceberg Blue
Models
Galaxy M08
SM-M085F, SM-M085F/DS
Galaxy M31 Prime
SM-M315F/DS
SAR
Galaxy M08
0.62 W/kg (head)
Galaxy M31 Prime
0.38 W/kg (head)
SAR EU
Galaxy M08
0.75 W/kg (head) 1.29 W/kg (body)
Galaxy M31 Prime
-
Price
Galaxy M08
About 160 EUR
Galaxy M31 Prime
About 190 EUR