Screen size
Galaxy M08Winner: 6.7"+4.5%
Galaxy M216.4"
Quick verdict
Galaxy M08 and Galaxy M21 are close on the measured specs.
Measured wins
Galaxy M08
7
spec wins
Ties
8
equal specs
Galaxy M21
7
spec wins
Screen size
Technology
Galaxy M08
GSM / HSPA / LTE
Galaxy M21
GSM / HSPA / LTE
2G bands
Galaxy M08
GSM 850 / 900 / 1800 / 1900
Galaxy M21
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy M08
HSDPA 850 / 900 / 2100
Galaxy M21
HSDPA 850 / 900 / 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
equal specsStorage
equal specsMain camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Galaxy M21
1, 3, 5, 7, 8, 20, 38, 40, 41
Speed
Galaxy M08
HSPA, LTE
Galaxy M21
HSPA, LTE
Announced
Galaxy M08
2026, October 01
Galaxy M21
2020, March 18. Released 2020, March 23
Status
Galaxy M08
Released Oct 2026
Galaxy M21
Discontinued
Dimensions
Galaxy M08
167.4 x 77.4 x 8 mm (6.59 x 3.05 x 0.31 in)
Galaxy M21
159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in)
Weight
Galaxy M08
197 g (6.95 oz)
Galaxy M21
188 g (6.63 oz)
Build
Galaxy M08
Glass front, plastic back, plastic frame
Galaxy M21
Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM
Galaxy M08
Nano-SIM + Nano-SIM
Galaxy M21
· Nano-SIM· Nano-SIM + Nano-SIM
Other
Galaxy M08
IP64 dust tight and water resistant (water splashes)
Galaxy M21
-
Type
Galaxy M08
PLS LCD, 90Hz
Galaxy M21
Super AMOLED, 420 nits (peak)
Size
Galaxy M08
6.7 inches, 108.4 cm2 (~83.6% screen-to-body ratio)
Galaxy M21
6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)
Resolution
Galaxy M08
720 x 1600 pixels, 20:9 ratio (~262 ppi density)
Galaxy M21
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection
Galaxy M08
-
Galaxy M21
Corning Gorilla Glass 3
OS
Galaxy M08
Android 17, up to 6 major OS updates, One UI 9
Galaxy M21
Android 10, upgradable to Android 11, One UI 3.1 Core
Chipset
Galaxy M08
Mediatek Helio G99+ (6 nm)
Galaxy M21
Exynos 9611 (10 nm)
CPU
Galaxy M08
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Galaxy M21
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU
Galaxy M08
Mali-G57 MC2
Galaxy M21
Mali-G72 MP3
Card slot
Galaxy M08
microSDXC (dedicated slot)
Galaxy M21
microSDXC (dedicated slot)
Internal
Galaxy M08
64GB 4GB RAM
Galaxy M21
64GB 4GB RAM, 128GB 6GB RAM
Other
Galaxy M08
-
Galaxy M21
UFS 2.1
Dual
Galaxy M08
50 MP, f/1.8, (wide), 1/2.76", 0.64µm, PDAF Auxiliary lens
Galaxy M21
-
Features
Galaxy M08
LED flash
Galaxy M21
LED flash, panorama, HDR
Video
Galaxy M08
1080p@30/60fps
Galaxy M21
4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS
Triple
Galaxy M08
-
Galaxy M21
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm Auxiliary lens
Single
Galaxy M08
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Galaxy M21
20 MP, f/2.2, 26mm (wide)
Video
Galaxy M08
Yes
Galaxy M21
1080p@30fps
Features
Galaxy M08
-
Galaxy M21
HDR
Loudspeaker
Galaxy M08
Yes
Galaxy M21
Yes
3.5mm jack
Galaxy M08
Yes
Galaxy M21
Yes
WLAN
Galaxy M08
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Galaxy M21
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Galaxy M08
5.3, A2DP, LE
Galaxy M21
5.0, A2DP, LE
Positioning
Galaxy M08
GPS, GLONASS, GALILEO, BDS
Galaxy M21
GPS, GLONASS, GALILEO, BDS
NFC
Galaxy M08
No
Galaxy M21
Yes (market/region dependent)
Radio
Galaxy M08
FM radio
Galaxy M21
FM radio, RDS, recording
USB
Galaxy M08
USB Type-C 2.0
Galaxy M21
USB Type-C 2.0
Sensors
Galaxy M08
Fingerprint (side-mounted), accelerometer, proximity
Galaxy M21
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
Galaxy M08
6000 mAh
Galaxy M21
Li-Po 6000 mAh
Charging
Galaxy M08
25W wired
Galaxy M21
15W wired
Colors
Galaxy M08
Silver
Galaxy M21
Midnight Blue, Raven Black
Models
Galaxy M08
SM-M085F, SM-M085F/DS
Galaxy M21
SM-M215F, SM-M215F/DS, SM-M215F/DSN
SAR
Galaxy M08
0.62 W/kg (head)
Galaxy M21
0.47 W/kg (head)
SAR EU
Galaxy M08
0.75 W/kg (head) 1.29 W/kg (body)
Galaxy M21
-
Price
Galaxy M08
About 160 EUR
Galaxy M21
About 190 EUR