Samsung Galaxy S26 Ultra vs Samsung Galaxy A18 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.

Add us as a preferred source on Google Search
8.1
Samsung Galaxy S26 Ultra
Samsung Galaxy S26 Ultra Samsung Galaxy A18
Released · Mar 11, 2026
Released · Sep 18, 2026
6.9-inch · 3120x1440px
6.7-inch · 2340x1080px
Quad camera
Triple camera
12GB · 256GB
4GB · 64GB
5000 mAh
5000 mAh
Check prices
Check Accessories Check Accessories

Availability

Officially announced
Feb 25, 2026 Sep 15, 2026
Prices (MSRP)
12GB/256GB - $1300
12GB/512GB - $1500
16GB/1TB - $1800

Design

Dimensions
6.44 x 3.07 x 0.31 inches (~0.49 inches with camera bump)
163.6 x 78.1 x 7.9 mm (~12.33 mm with camera bump)
6.47 x 3.07 x 0.30 inches (~0.38 inches with camera bump)
164.4 x 77.9 x 7.7 mm (~9.63 mm with camera bump)
Weight
7.55 oz / 214.0 g 6.91 oz / 196.0 g
Materials
Back: Glass (Corning Gorilla Glass Armor 2)
Frame: Aluminum
Back: Plastic
Frame: Plastic
Resistance
Water, Dust; IP68 Water, Dust; IP64
Biometrics
Ultrasonic in-screen fingerprint
Features
Stylus
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Cobalt Violet, Sky Blue, Black, White
Silver Shadow (online excl.), Pink Gold (online excl.)
Light Blue, Black, Gray

Display

Size
6.9-inch, 90.30% screen-to-body 6.7-inch, 85.99% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR10+, 2600 nits Super AMOLED, 90Hz
Resolution
3120x1440px, 19.5:9 ratio, 498 PPI 2340x1080px, 19.5:9 ratio, 385 PPI
Protection
Corning Gorilla Glass Armor 2 Corning Gorilla Glass 3
Features
HDR support
PhoneArena Display Test
Bright Max (20% APL)
2420 (Excellent) Untested
Bright Min
0.8 (Excellent) Untested

Hardware

System chip
Snapdragon 8 Elite Gen 5 for Galaxy SM8850-1-AD (3 nm) Samsung Exynos 1610
Processor
Octa-core
2x4.74GHz Oryon V3 Phoenix L
6x3.63GHz Oryon V3 Phoenix M
Octa-core
2x Cortex-A75@2.24GHz
6x Cortex-A55@2.0GHz
GPU
Adreno 840 Yes
Memory
12GB (LPDDR5X)/256GB (UFS 4.0)
12GB/512GB
16GB/1024GB
4GB/64GB
4GB/128GB
4GB/256GB
Storage expansion
not expandable microSDXC up to 2048 GB
OS
Android (16), up to 7 OS updates Android (17), up to 6 OS updates
PhoneArena Performance Test
GeekBench 6 Single
3753 Untested
GeekBench 6 Multi
11259 Untested
3D Mark High
7801 Untested
3D Mark Low
3741 Untested

Battery

Type
5000 mAh, Li - Ion 5000 mAh, Li - Polymer
Charging
USB Power Delivery, Fast charging
Qi2 wireless charging, Reverse wireless charging, Reverse wired charging
Fast charging
Charge speed
Wired: 60.0W
Wireless: 15.0W
Wired: 25.0W
PhoneArena Battery Tests
Battery Life Estimate
7h 53min
Browsing
20h 10min
Video
9h 54min
Gaming
11h 49min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested

Camera

Rear
Quad camera Triple camera
Main camera
200 MP (OIS, PDAF)
Sensor name: Samsung ISOCELL HP2
Aperture size: F1.4
Focal length: 23 mm
Sensor size: 1/1.3"
Pixel size: 0.6 μm
50 MP
Second camera
50 MP (Ultra-wide, PDAF)
Sensor name: Samsung ISOCELL JN3
Aperture size: F1.9
Sensor size: 1/2.5"
Pixel size: 0.7 μm
5 MP (Ultra-wide)
Third camera
10 MP (Telephoto, OIS, PDAF)
Sensor name: Sony IMX754
Optical zoom: 3.0x
Aperture size: F2.4
Sensor size: 1/3.94"
Pixel size: 1.12 μm
2 MP (Macro)
Fourth camera
50 MP (Telephoto, Periscope, OIS, PDAF)
Sensor name: Sony IMX854
Optical zoom: 5.0x
Aperture size: F2.9
Focal Length: 115 mm
Sensor size: 1/2.52"
Pixel size: 0.7 μm
Flash
LED
Video recording
8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps)
HDR, Continuous autofocus, Picture-taking during video recording
1080p (30 fps)
Front
12 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
13 MP
Video capture: 1080p (30 fps)
PhoneArena Camera Tests
157
Overall
165
Photo
149
Video
N/A
Overall
N/A
Photo
N/A
Video

Connectivity & Features

Bluetooth
6.0 5.3
WLAN
Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
Yes
802.11 a, b, g, n, ac
USB
Type-C, USB 3.2 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS
Other
NFC, Ultra Wideband (UWB) NFC

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Loudspeaker
Features
32-Bit DAC, aptX, aptX-HD

Cellular

5G Bands
n1, n2, n5, n7, n25, n28, n41, n66, n71, n77, n78, n257, n258, n260, n261, SA, NSA, Sub-6, mmWave
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71 1, 3, 5, 7, 8, 20, 28
TDD Bands
38, 39, 40, 41, 48 38, 40, 41
3G Bands
1, 2, 4, 5, 8 1, 3, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM, eSIM Dual Nano SIM

Regulatory Approval

FCC approval
Date approved: Dec 07, 2025
FCC ID value: A3LSMS948U
Measured SAR
Head: 1.09 W/kg
Body: 1.19 W/kg
Simultaneous Transmission: 1.59 W/kg