Screen size
Galaxy A516.5"
Galaxy M16Winner: 6.7"+3%
Quick verdict
Galaxy M16 leads the measured specs 11-5.
Measured wins
Galaxy A51
5
spec wins
Ties
5
equal specs
Galaxy M16
11
spec wins
Overall winner
Screen size
Technology
Galaxy A51
GSM / HSPA / LTE
Galaxy M16
GSM / HSPA / LTE / 5G
2G bands
Galaxy A51
GSM 850 / 900 / 1800 / 1900
Galaxy M16
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A51
HSDPA 850 / 900 / 1900 / 2100 , HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy M16
HSDPA 850 / 900 / 1700(AWS) / 1900 / 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
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
Galaxy M16
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
Speed
Galaxy A51
HSPA, LTE
Galaxy M16
HSPA, LTE, 5G
5G bands
Galaxy A51
-
Galaxy M16
1, 3, 5, 7, 8, 28, 40, 41, 66, 77, 78 SA/NSA/Sub6
Announced
Galaxy A51
2019, December 12. Released 2019, December 16
Galaxy M16
2025, February 27
Status
Galaxy A51
Discontinued
Galaxy M16
Available. Released 2025, March 05
Dimensions
Galaxy A51
158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in)
Galaxy M16
164.4 x 77.9 x 7.9 mm (6.47 x 3.07 x 0.31 in)
Weight
Galaxy A51
172 g (6.07 oz)
Galaxy M16
191 g (6.74 oz)
Build
Galaxy A51
Glass front (Gorilla Glass 3), plastic back, plastic frame
Galaxy M16
Glass front, plastic back, plastic frame
SIM
Galaxy A51
· Nano-SIM· Nano-SIM + Nano-SIM
Galaxy M16
Nano-SIM + Nano-SIM
Other
Galaxy A51
-
Galaxy M16
IP54 dust protected and water resistant (water splashes)
Type
Galaxy A51
Super AMOLED
Galaxy M16
Super AMOLED, 90Hz, 800 nits (HBM)
Size
Galaxy A51
6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio)
Galaxy M16
6.7 inches, 110.2 cm2 (~86.0% screen-to-body ratio)
Resolution
Galaxy A51
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Galaxy M16
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Protection
Galaxy A51
Corning Gorilla Glass 3
Galaxy M16
-
OS
Galaxy A51
Android 10, upgradable to Android 13, One UI 5
Galaxy M16
Android 15, up to 6 major Android upgrades, One UI 7
Chipset
Galaxy A51
Exynos 9611 (10 nm)
Galaxy M16
Mediatek Dimensity 6300 (6 nm)
CPU
Galaxy A51
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Galaxy M16
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Galaxy A51
Mali-G72 MP3
Galaxy M16
Mali-G57 MC2
Card slot
Galaxy A51
microSDXC (dedicated slot)
Galaxy M16
microSDXC (uses shared SIM 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 M16
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
Galaxy A51
UFS 2.0
Galaxy M16
-
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 M16
-
Features
Galaxy A51
LED flash, panorama, HDR
Galaxy M16
LED flash, panorama, HDR
Video
Galaxy A51
4K@30fps, 1080p@30/120fps; gyro-EIS
Galaxy M16
1080p@30fps, gyro-EIS
Triple
Galaxy A51
-
Galaxy M16
50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF 5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm 2 MP (macro)
Single
Galaxy A51
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Galaxy M16
13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Features
Galaxy A51
HDR
Galaxy M16
-
Video
Galaxy A51
4K@30fps, 1080p@30fps
Galaxy M16
1080p@30fps
Loudspeaker
Galaxy A51
Yes
Galaxy M16
Yes
3.5mm jack
Galaxy A51
Yes
Galaxy M16
No
WLAN
Galaxy A51
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Galaxy M16
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Galaxy A51
5.0, A2DP, LE
Galaxy M16
5.3, A2DP, LE
Positioning
Galaxy A51
GPS, GLONASS, GALILEO, BDS
Galaxy M16
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Galaxy A51
Yes
Galaxy M16
Yes
Radio
Galaxy A51
FM radio
Galaxy M16
No
USB
Galaxy A51
USB Type-C 2.0, OTG
Galaxy M16
USB Type-C 2.0
Sensors
Galaxy A51
Fingerprint (under display, optical), accelerometer, gyro, compass
Galaxy M16
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Other
Galaxy A51
Virtual proximity sensing ANT+
Galaxy M16
-
Type
Galaxy A51
Li-Po 4000 mAh, non-removable
Galaxy M16
5000 mAh
Charging
Galaxy A51
15W wired
Galaxy M16
25W wired
Colors
Galaxy A51
Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink
Galaxy M16
Thunder Black, MInt Green, Blush Pink
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 M16
SM-M166P, SM-M166P/DS
SAR
Galaxy A51
0.80 W/kg (head) 0.67 W/kg (body)
Galaxy M16
1.08 W/kg (head)
SAR EU
Galaxy A51
0.37 W/kg (head) 1.59 W/kg (body)
Galaxy M16
0.99 W/kg (head) 1.19 W/kg (body)
Price
Galaxy A51
About 100 EUR
Galaxy M16
₹ 13,999