Form Factor
Body
Candybar, Touchscreen	Candybar, Touchscreen
Dimensions
145 x 62 x 18 mm (5.71 x 2.44 x 0.71 in)	163.9 x 76.5 x 7.8 mm (6.45 x 3.01 x 0.31 in)
Weight
157 g (5.54 oz)	180 g (6.35 oz)
Build
IP69 dust/water resistant (up to 1.2m for 35 min) MIL-STD-810H compliant Drop-to-concrete resistance from up to 1.8m Flashlight (100+ lumens) Antimicrobial protection (silver ion-based)	IP67 dust/water resistant (up to 1m for 30 min)
Colors
Black	Dark Blue, Light Green
Models
	SM-M556B, SM-M556B/DS

Type
Display
TFT LCD	Super AMOLED+, 120Hz, 1000 nits (HBM) Always-on display
Size
2.4 inches, 17.8 cm² (~19.8% screen-to-body ratio)	6.7 inches, 108.4 cm² (~86.4% screen-to-body ratio)
Resolution
240 x 320 pixels, 4:3 ratio (~167 ppi density)	1080 x 2400 pixels, 20:9 ratio (~393 ppi density)

Technology
Network
GSM / HSPA / LTE	GSM / HSPA / LTE / 5G
2G Bands
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 SIM 1 & SIM 2 (dual-SIM model only)
3G Bands
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Bands
1, 3, 7, 8, 20, 28	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 38, 40, 41, 66
5G Bands
	1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6

Internal Memory
Memory
Unspecified	128GB ROM, 8GB RAM 256GB ROM, 8GB RAM 256GB ROM, 12GB RAM
Card Slot
microSD	microSDXC (uses shared SIM slot)
Phonebook
Yes
Call Records
Yes

Speed
Connectivity
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps	HSPA, LTE, 5G
WLAN
No	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE	5.2, A2DP, LE
USB
USB Type-C 2.0	USB Type-C 2.0, OTG
GPS
No
NFC
No	Yes (market/region dependent)

Main Camera
Camera
2 MP	Primary: 50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS Secondary: 8 MP, f/2.2, 123" (ultrawide) Third: 2 MP, f/2.4, (macro)
Camera Features
	LED flash, panorama, HDR
Video
Yes	4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Selfie Camera
	50 MP, f/2.4, (wide) Video: 4K@30fps, 1080p@30/60fps

Chipset
Hardware
Unisoc T117	Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU
	Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU
	Adreno 644
Sensors
Accelerometer	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Keyboard
Numeric keypad
Soft Keys
2
SIM
Nano-SIM	Hybrid Dual SIM (Nano-SIM, dual stand-by)
Speakers
Yes	Yes, with stereo speakers
Navigation / Controls Keys
D-Pad
Audio Jack
3.5 mm	No

Radio
Multimedia
FM radio	No

SAR EU
Misc
	0.96 W/kg (head) 0.98 W/kg (body)

Cat B40

Samsung Galaxy M55