Samsung Galaxy M51 vs Samsung Galaxy S23 Ultra Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

	7.1
Samsung Galaxy M51	Samsung Galaxy S23 Ultra
Released · Sep 11, 2020	Released · Feb 17, 2023
6.7-inch · 2340 x 1080 px	6.8-inch · 3088 x 1440 px
64 MP Main · 32 MP Selfie	200 MP Main · 12 MP Selfie
6GB · 128GB	8GB · 256GB
7000 mAh	5000 mAh
	Check prices

Display

Size
6.7-inch	6.8-inch
Resolution
2340 x 1080 px, 20:9 ratio, 385 PPI	3088 x 1440 px, 19.3:9 ratio, 501 PPI
Technology
Super AMOLED Plus	Dynamic AMOLED
Refresh rate
	120Hz
Screen-to-body
88.27 %	89.87 %
Peak brightness
	1750 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 730 SM7150-AA (8 nm)	Qualcomm Snapdragon 8 Gen 2 SM8550 (4 nm)
Processor
Octa-core, 2x 2.2GHz Kryo 470 + 6x 1.8GHz Kryo 470, 64-bit	Octa-core, 1x 3.36GHz Kryo Prime + 4x 2.8GHz Kryo Gold + 3x 2.0GHz Kryo Silver
GPU
Adreno 618	Adreno 740
RAM
6GB (LPDDR4)	8GB (LPDDR5X)
Internal storage
128GB, available to use: 106 GB	256GB (UFS 4.0), not expandable
Storage expansion
microSDXC up to 512 GB
OS
Android (10), Samsung One UI	Android (14, 13), One UI
Device type
Smartphone	Smartphone

Battery

Capacity
7000 mAh	5000 mAh
Type
Not user replaceable	Li - Ion, Not user replaceable
Charging
Fast charging, Reverse wired charging	Fast charging, Qi wireless charging, Reverse wireless charging
Max charge speed
Wired: 25.0W	Wired: 45.0W Wireless: 15.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

7h 17min

Browsing

18h 57min

Video

8h 54min

Gaming

10h 59min

Camera

Rear
Quad camera	Quad camera
Main camera
64 MP (PDAF) Specifications: Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 0.8 μm	200 MP (OIS, PDAF) Specifications: Aperture size: F1.7 Focal length: 24 mm Sensor size: 1/1.3" Pixel size: 0.6 μm
Second camera
12 MP (Ultra-wide) Specifications: Aperture size: F2.2	10 MP (Telephoto, OIS) Specifications: Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 69 mm Sensor size: 1/3.52" Pixel size: 1.12 μm
Third camera
5 MP (Macro) Specifications: Aperture size: F2.4	10 MP (Telephoto) Specifications: Optical zoom: 10.0x Aperture size: F4.9 Focal Length: 230 mm Sensor size: 1/3.52" Pixel size: 1.12 μm
Fourth camera
5 MP (Depth information) Specifications: Aperture size: F2.4	12 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD)	7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps) Features: OIS, HDR
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD)	12 MP (PDAF), Video capture: 3840x2160 (4K UHD) (60 fps)

N/A

Overall

N/A

Photo

N/A

Video

147

Overall

150

Photo

144

Video

Design

Dimensions
6.45 x 3.00 x 0.37 inches (163.9 x 76.3 x 9.5 mm)	6.43 x 3.07 x 0.35 inches (163.3 x 78 x 8.9 mm) thickness with camera 0.42 inches (10.68 mm)
Weight
7.51 oz(213.0 g)	8.25 oz(234.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum
Resistance
	Water, Splash, Dust; IP68
Biometrics
Fingerprint (touch)	2D Face unlock, Ultrasonic in-screen fingerprint
Features
	Stylus
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, White	Phantom Black, Cream, Green, Lavender

Cellular

5G
	Bands n1, n7, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Dual Nano SIM + eSIM

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation	Noise cancellation

Connectivity & Features

Bluetooth
5.0	5.3
Wi-Fi
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 2.0, Features: Charging	Type-C (reversible), USB 3.2, Features: Charging, OTG
Hearing aid compatible
	M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass, Barometer
Other
NFC	NFC, Ultra Wideband (UWB)

Regulatory Approval

FCC approval
	Date approved: Dec 08, 2023 FCC ID value: A3LSMS918U
Measured SAR
	Head: 1.12 W/kg Body: 0.92 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.16 W/kg

Buyers information

MSRP
€ 360	$ 1200 / € 1300
In The Box
	USB-C cable, SIM Tray ejector, Paperwork

Availability

Officially announced
Aug 31, 2020	Feb 01, 2023

Alternative variants

With 12GB RAM


RAM	12GB

With 12GB RAM and 512GB internal storage


RAM	12GB
Internal storage	512GB
MSRP	$ 1450 / € 1589

With 12GB RAM and 1TB internal storage


RAM	12GB
Internal storage	1024GB
MSRP	$ 1649 / € 1749

International


5G	Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

Links

Full specifications
Samsung Galaxy M51 Specs	Samsung Galaxy S23 Ultra Specs
PhoneArena Review
	Samsung Galaxy S23 Ultra Review
User Reviews
	Samsung Galaxy S23 Ultra User Reviews