Screen size
Galaxy A51 5G6.5"
Galaxy M16Winner: 6.7"+3%
Quick verdict
Galaxy M16 leads the measured specs 10-5.
Measured wins
Galaxy A51 5G
5
spec wins
Ties
6
equal specs
Galaxy M16
10
spec wins
Overall winner
Screen size
Technology
Galaxy A51 5G
GSM / HSPA / LTE / 5G
Galaxy M16
GSM / HSPA / LTE / 5G
2G bands
Galaxy A51 5G
GSM 850 / 900 / 1800 / 1900
Galaxy M16
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 M16
HSDPA 850 / 900 / 1700(AWS) / 1900 / 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
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
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
5G bands
Galaxy A51 5G
41, 78 SA/NSA/Sub6 - SM-A516B/DS
Galaxy M16
1, 3, 5, 7, 8, 28, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed
Galaxy A51 5G
HSPA, LTE, 5G
Galaxy M16
HSPA, LTE, 5G
Announced
Galaxy A51 5G
2020, April 08
Galaxy M16
2025, February 27
Status
Galaxy A51 5G
Available. Released 2020, April 29
Galaxy M16
Available. Released 2025, March 05
Dimensions
Galaxy A51 5G
158.9 x 73.6 x 8.7 mm (6.26 x 2.90 x 0.34 in)
Galaxy M16
164.4 x 77.9 x 7.9 mm (6.47 x 3.07 x 0.31 in)
Weight
Galaxy A51 5G
187 g (6.60 oz)
Galaxy M16
191 g (6.74 oz)
Build
Galaxy A51 5G
Glass front (Gorilla Glass 3), plastic back, aluminum frame
Galaxy M16
Glass front, plastic back, plastic frame
SIM
Galaxy A51 5G
· Nano-SIM· Nano-SIM + Nano-SIM
Galaxy M16
Nano-SIM + Nano-SIM
Other
Galaxy A51 5G
-
Galaxy M16
IP54 dust protected and water resistant (water splashes)
Type
Galaxy A51 5G
Super AMOLED
Galaxy M16
Super AMOLED, 90Hz, 800 nits (HBM)
Size
Galaxy A51 5G
6.5 inches, 102.0 cm2 (~87.2% screen-to-body ratio)
Galaxy M16
6.7 inches, 110.2 cm2 (~86.0% screen-to-body ratio)
Resolution
Galaxy A51 5G
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 5G
Corning Gorilla Glass 3
Galaxy M16
-
OS
Galaxy A51 5G
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 5G
Exynos 980 (8 nm)
Galaxy M16
Mediatek Dimensity 6300 (6 nm)
CPU
Galaxy A51 5G
Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
Galaxy M16
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Galaxy A51 5G
Mali-G76 MP5
Galaxy M16
Mali-G57 MC2
Card slot
Galaxy A51 5G
microSDXC (uses shared SIM slot)
Galaxy M16
microSDXC (uses shared SIM slot)
Internal
Galaxy A51 5G
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Galaxy M16
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
Galaxy A51 5G
UFS 2.1
Galaxy M16
-
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 M16
-
Features
Galaxy A51 5G
LED flash, panorama, HDR
Galaxy M16
LED flash, panorama, HDR
Video
Galaxy A51 5G
4K@30fps, 1080p@30/120fps; gyro-EIS
Galaxy M16
1080p@30fps, gyro-EIS
Triple
Galaxy A51 5G
-
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 5G
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 5G
HDR
Galaxy M16
-
Video
Galaxy A51 5G
4K@30fps, 1080p@30fps
Galaxy M16
1080p@30fps
Loudspeaker
Galaxy A51 5G
Yes
Galaxy M16
Yes
3.5mm jack
Galaxy A51 5G
Yes
Galaxy M16
No
WLAN
Galaxy A51 5G
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 5G
5.0, A2DP, LE
Galaxy M16
5.3, A2DP, LE
Positioning
Galaxy A51 5G
GPS, GLONASS, GALILEO, BDS
Galaxy M16
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Galaxy A51 5G
Yes
Galaxy M16
Yes
Radio
Galaxy A51 5G
FM radio, RDS, recording
Galaxy M16
No
USB
Galaxy A51 5G
USB Type-C 2.0, OTG
Galaxy M16
USB Type-C 2.0
Sensors
Galaxy A51 5G
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy M16
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Other
Galaxy A51 5G
ANT+
Galaxy M16
-
Type
Galaxy A51 5G
Li-Po 4500 mAh
Galaxy M16
5000 mAh
Charging
Galaxy A51 5G
15W wired
Galaxy M16
25W wired
Colors
Galaxy A51 5G
Prism Cube Black, Prism Cube White, Prism Cube Pink
Galaxy M16
Thunder Black, MInt Green, Blush Pink
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 M16
SM-M166P, SM-M166P/DS
SAR EU
Galaxy A51 5G
0.50 W/kg (head) 1.55 W/kg (body)
Galaxy M16
0.99 W/kg (head) 1.19 W/kg (body)
Price
Galaxy A51 5G
About 180 EUR
Galaxy M16
₹ 13,999
SAR
Galaxy A51 5G
-
Galaxy M16
1.08 W/kg (head)