Screen size
Galaxy A516.5"
Galaxy M08Winner: 6.7"+3%
Quick verdict
Galaxy A51 and Galaxy M08 are close on the measured specs.
Measured wins
Galaxy A51
7
spec wins
Ties
7
equal specs
Galaxy M08
7
spec wins
Screen size
Technology
Galaxy A51
GSM / HSPA / LTE
Galaxy M08
GSM / HSPA / LTE
2G bands
Galaxy A51
GSM 850 / 900 / 1800 / 1900
Galaxy M08
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A51
HSDPA 850 / 900 / 1900 / 2100 , HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy M08
HSDPA 850 / 900 / 2100
4G bands
Galaxy A51
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66, 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A515U
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired 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 M08
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed
Galaxy A51
HSPA, LTE
Galaxy M08
HSPA, LTE
Announced
Galaxy A51
2019, December 12. Released 2019, December 16
Galaxy M08
2026, October 01
Status
Galaxy A51
Discontinued
Galaxy M08
Released Oct 2026
Dimensions
Galaxy A51
158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in)
Galaxy M08
167.4 x 77.4 x 8 mm (6.59 x 3.05 x 0.31 in)
Weight
Galaxy A51
172 g (6.07 oz)
Galaxy M08
197 g (6.95 oz)
Build
Galaxy A51
Glass front (Gorilla Glass 3), plastic back, plastic frame
Galaxy M08
Glass front, plastic back, plastic frame
SIM
Galaxy A51
· Nano-SIM· Nano-SIM + Nano-SIM
Galaxy M08
Nano-SIM + Nano-SIM
Other
Galaxy A51
-
Galaxy M08
IP64 dust tight and water resistant (water splashes)
Type
Galaxy A51
Super AMOLED
Galaxy M08
PLS LCD, 90Hz
Size
Galaxy A51
6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio)
Galaxy M08
6.7 inches, 108.4 cm2 (~83.6% screen-to-body ratio)
Resolution
Galaxy A51
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
Corning Gorilla Glass 3
Galaxy M08
-
OS
Galaxy A51
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
Exynos 9611 (10 nm)
Galaxy M08
Mediatek Helio G99+ (6 nm)
CPU
Galaxy A51
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Galaxy M08
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Galaxy A51
Mali-G72 MP3
Galaxy M08
Mali-G57 MC2
Card slot
Galaxy A51
microSDXC (dedicated slot)
Galaxy M08
microSDXC (dedicated slot)
Internal
Galaxy A51
64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
Galaxy M08
64GB 4GB RAM
Other
Galaxy A51
UFS 2.0
Galaxy M08
-
Quad
Galaxy A51
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
LED flash, panorama, HDR
Galaxy M08
LED flash
Video
Galaxy A51
4K@30fps, 1080p@30/120fps; gyro-EIS
Galaxy M08
1080p@30/60fps
Dual
Galaxy A51
-
Galaxy M08
50 MP, f/1.8, (wide), 1/2.76", 0.64µm, PDAF Auxiliary lens
Single
Galaxy A51
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
HDR
Galaxy M08
-
Video
Galaxy A51
4K@30fps, 1080p@30fps
Galaxy M08
Yes
Loudspeaker
Galaxy A51
Yes
Galaxy M08
Yes
3.5mm jack
Galaxy A51
Yes
Galaxy M08
Yes
WLAN
Galaxy A51
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
5.0, A2DP, LE
Galaxy M08
5.3, A2DP, LE
Positioning
Galaxy A51
GPS, GLONASS, GALILEO, BDS
Galaxy M08
GPS, GLONASS, GALILEO, BDS
NFC
Galaxy A51
Yes
Galaxy M08
No
Radio
Galaxy A51
FM radio
Galaxy M08
FM radio
USB
Galaxy A51
USB Type-C 2.0, OTG
Galaxy M08
USB Type-C 2.0
Sensors
Galaxy A51
Fingerprint (under display, optical), accelerometer, gyro, compass
Galaxy M08
Fingerprint (side-mounted), accelerometer, proximity
Other
Galaxy A51
Virtual proximity sensing ANT+
Galaxy M08
-
Type
Galaxy A51
Li-Po 4000 mAh, non-removable
Galaxy M08
6000 mAh
Charging
Galaxy A51
15W wired
Galaxy M08
25W wired
Colors
Galaxy A51
Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink
Galaxy M08
Silver
Models
Galaxy A51
SM-A515F, SM-A515F/DSN, SM-A515F/DS, SM-A515F/DST, SM-A515F/DSM, SM-A515F/N, SM-A515U, SM-A515U1, SM-A515W, SM-A515X, SM-S515DL
Galaxy M08
SM-M085F, SM-M085F/DS
SAR
Galaxy A51
0.80 W/kg (head) 0.67 W/kg (body)
Galaxy M08
0.62 W/kg (head)
SAR EU
Galaxy A51
0.37 W/kg (head) 1.59 W/kg (body)
Galaxy M08
0.75 W/kg (head) 1.29 W/kg (body)
Price
Galaxy A51
About 100 EUR
Galaxy M08
About 160 EUR