Screen size
Galaxy A51 5G6.5"
Galaxy M08Winner: 6.7"+3%
Quick verdict
Galaxy M08 leads the measured specs 8-7.
Measured wins
Galaxy A51 5G
7
spec wins
Ties
6
equal specs
Galaxy M08
8
spec wins
Overall winner
Screen size
Technology
Galaxy A51 5G
GSM / HSPA / LTE / 5G
Galaxy M08
GSM / HSPA / LTE
2G bands
Galaxy A51 5G
GSM 850 / 900 / 1800 / 1900
Galaxy M08
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A51 5G
HSDPA 850 / 900 / 1900 / 2100 - SM-A516B/DS, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy M08
HSDPA 850 / 900 / 2100
4G bands
Galaxy A51 5G
1, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41 - SM-A516B/DS, 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A516U
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Galaxy M08
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
5G bands
Galaxy A51 5G
41, 78 SA/NSA/Sub6 - SM-A516B/DS
Galaxy M08
-
Speed
Galaxy A51 5G
HSPA, LTE, 5G
Galaxy M08
HSPA, LTE
Announced
Galaxy A51 5G
2020, April 08
Galaxy M08
2026, October 01
Status
Galaxy A51 5G
Available. Released 2020, April 29
Galaxy M08
Released Oct 2026
Dimensions
Galaxy A51 5G
158.9 x 73.6 x 8.7 mm (6.26 x 2.90 x 0.34 in)
Galaxy M08
167.4 x 77.4 x 8 mm (6.59 x 3.05 x 0.31 in)
Weight
Galaxy A51 5G
187 g (6.60 oz)
Galaxy M08
197 g (6.95 oz)
Build
Galaxy A51 5G
Glass front (Gorilla Glass 3), plastic back, aluminum frame
Galaxy M08
Glass front, plastic back, plastic frame
SIM
Galaxy A51 5G
· Nano-SIM· Nano-SIM + Nano-SIM
Galaxy M08
Nano-SIM + Nano-SIM
Other
Galaxy A51 5G
-
Galaxy M08
IP64 dust tight and water resistant (water splashes)
Type
Galaxy A51 5G
Super AMOLED
Galaxy M08
PLS LCD, 90Hz
Size
Galaxy A51 5G
6.5 inches, 102.0 cm2 (~87.2% screen-to-body ratio)
Galaxy M08
6.7 inches, 108.4 cm2 (~83.6% screen-to-body ratio)
Resolution
Galaxy A51 5G
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Galaxy M08
720 x 1600 pixels, 20:9 ratio (~262 ppi density)
Protection
Galaxy A51 5G
Corning Gorilla Glass 3
Galaxy M08
-
OS
Galaxy A51 5G
Android 10, upgradable to Android 13, One UI 5
Galaxy M08
Android 17, up to 6 major OS updates, One UI 9
Chipset
Galaxy A51 5G
Exynos 980 (8 nm)
Galaxy M08
Mediatek Helio G99+ (6 nm)
CPU
Galaxy A51 5G
Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
Galaxy M08
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Galaxy A51 5G
Mali-G76 MP5
Galaxy M08
Mali-G57 MC2
Card slot
Galaxy A51 5G
microSDXC (uses shared SIM slot)
Galaxy M08
microSDXC (dedicated slot)
Internal
Galaxy A51 5G
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Galaxy M08
64GB 4GB RAM
Other
Galaxy A51 5G
UFS 2.1
Galaxy M08
-
Quad
Galaxy A51 5G
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens
Galaxy M08
-
Features
Galaxy A51 5G
LED flash, panorama, HDR
Galaxy M08
LED flash
Video
Galaxy A51 5G
4K@30fps, 1080p@30/120fps; gyro-EIS
Galaxy M08
1080p@30/60fps
Dual
Galaxy A51 5G
-
Galaxy M08
50 MP, f/1.8, (wide), 1/2.76", 0.64µm, PDAF Auxiliary lens
Single
Galaxy A51 5G
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Galaxy M08
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Features
Galaxy A51 5G
HDR
Galaxy M08
-
Video
Galaxy A51 5G
4K@30fps, 1080p@30fps
Galaxy M08
Yes
Loudspeaker
Galaxy A51 5G
Yes
Galaxy M08
Yes
3.5mm jack
Galaxy A51 5G
Yes
Galaxy M08
Yes
WLAN
Galaxy A51 5G
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Galaxy M08
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Galaxy A51 5G
5.0, A2DP, LE
Galaxy M08
5.3, A2DP, LE
Positioning
Galaxy A51 5G
GPS, GLONASS, GALILEO, BDS
Galaxy M08
GPS, GLONASS, GALILEO, BDS
NFC
Galaxy A51 5G
Yes
Galaxy M08
No
Radio
Galaxy A51 5G
FM radio, RDS, recording
Galaxy M08
FM radio
USB
Galaxy A51 5G
USB Type-C 2.0, OTG
Galaxy M08
USB Type-C 2.0
Sensors
Galaxy A51 5G
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy M08
Fingerprint (side-mounted), accelerometer, proximity
Other
Galaxy A51 5G
ANT+
Galaxy M08
-
Type
Galaxy A51 5G
Li-Po 4500 mAh
Galaxy M08
6000 mAh
Charging
Galaxy A51 5G
15W wired
Galaxy M08
25W wired
Colors
Galaxy A51 5G
Prism Cube Black, Prism Cube White, Prism Cube Pink
Galaxy M08
Silver
Models
Galaxy A51 5G
SM-A516F, SM-A516F/DSN, SM-A516N, SM-A516B/DS, SM-A516B, SM-A516U, SC-54A, SM-A516U1, SCG07, SM-A5160
Galaxy M08
SM-M085F, SM-M085F/DS
SAR EU
Galaxy A51 5G
0.50 W/kg (head) 1.55 W/kg (body)
Galaxy M08
0.75 W/kg (head) 1.29 W/kg (body)
Price
Galaxy A51 5G
About 180 EUR
Galaxy M08
About 160 EUR
SAR
Galaxy A51 5G
-
Galaxy M08
0.62 W/kg (head)