Apple iPhone 18 Pro Max vs Samsung Galaxy S21 Ultra

Here you can compare Apple iPhone 18 Pro Max and Samsung Galaxy S21 Ultra. Comparing Apple iPhone 18 Pro Max vs Samsung Galaxy S21 Ultra on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Apple iPhone 18 Pro Max stands against Samsung Galaxy S21 Ultra and which one should you buy The current lowest price found for Apple iPhone 18 Pro Max is $1,299 and for Samsung Galaxy S21 Ultra is $399. The details of both of these products were last updated on Mar 06, 2026.

SpecificationApple iPhone 18 Pro MaxSamsung Galaxy S21 Ultra
BatteryLi-ion Battery5000 mAh, Li-Po Battery
CPUHexa Core Processor2.9 GHz, Octa Core Processor
OSiOS v27Android v10
Display6.91 inches, 1320 x 2868 pixels, 144 Hz6.8 inches, 1440 x 3200 pixels, 120 Hz
Rear Camera48 MP ƒ/1.6 (Wide Angle)
48 MP ƒ/2.8 (Telephoto)
48 MP ƒ/2.2 (Ultra Wide)
108 MP ƒ/1.8
10 MP ƒ/4.9 (Telephoto)
10 MP ƒ/2.4 (Telephoto)
12 MP ƒ/2.2 (Ultra Wide)
Price$1,299$399
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Overview

Specs Score87 / 10094 / 100
Better Specs
Display Resolution1320 x 2868 pixels1440 x 3200 pixels
Better Resolution
RAM16 GB
More RAM
12 GB
CPU Clock Speed2.9 GHz
Faster Clock Speed
CPU CoresHexa CoreOcta Core
More CPU Cores
Rear Camera48 MP + 48 MP + 48 MP Triple108 MP Quad
Better Camera Resolution
Front Camera48 MP
Better Front Camera Resolution
40 MP
Weight227 g
Lighter
Thickness8.9 mm
Slimmer
Battery5000 mAh
Bigger Battery
Unique Features
No
No
Fingerprint Sensor
Reverse Charging

General

ModeliPhone 18 Pro MaxGalaxy S21 Ultra 5G
Sim TypeDual Sim, GSM+GSMDual Sim, GSM+GSM
Dual SimYesYes
Sim SizeeSIM+eSIM SIMNano+Nano SIM
Device TypeSmartphoneSmartphone
Release DateSeptember 09, 2026 (Expected)January 14, 2021

Design

Dimensions75.6 x 165.1 x 8.9 mm
Weight227 g

Display

TypeColor OLED Screen (1B Colors)Color Dynamic AMOLED 2X (16M Colors)
TouchYesYes
Size6.91 inches, 1320 x 2868 pixels, 144 Hz6.8 inches, 1440 x 3200 pixels, 120 Hz
Aspect Ratio19.5:920:9
PPI~ 460 PPI~ 515 PPI
Screen to Body Ratio~ 90.7%~ 89.8%
Glass TypeCeramic Shield 2Corning Gorilla Glass Victus
Brightness1,000 nits max brightness (typical); 1,600 nits peak brightness (HDR); 3,000 nits peak brightness (outdoor); 1 nit minimum brightness
FeaturesAlways-on Display, HDR10+, Curved Display
NotchYes, Dynamic IslandYes, Punch Hole

Memory

RAM16 GB12 GB
Storage256 GB256 GB
Storage TypeUFS 3.1
Card SlotNo

Connectivity

GPRSYesYes
EDGEYesYes
3GYesYes
4GYesYes
5GYesYes
VoLTEYesYes, Dual Stand-By
WifiYes, with wifi-hotspotYes, with wifi-hotspot
Wifi VersionWi‑Fi 7 (802.11be) with 2x2 MIMO
BluetoothYes, v6.0Yes, v5.2, A2DP, LE
USBYes, USB-C v3.2Yes, USB-C v3.2
USB FeaturesUSB Tethering, USB ChargingUSB on-the-go, USB Charging

Extra

GPSPrecision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, BeiDou and NavIC), Digital compass, Wi-Fi, Cellular, iBeacon micro-locationYes, with A-GPS, GLONASS, BDS, GALILEO
Fingerprint SensorNoYes, In Display
Face UnlockYesYes
SensorsFace ID, Accelerometer, Gyro, Proximity, Compass, BarometerAccelerometer, Gyro, Proximity, Compass, Barometer
3.5mm Headphone JackNoNo
NFCYesYes
AI FeaturesApple Intelligence
Water ResistanceYes, 6 m upto 30 min, IP69Yes, 1.5 m upto 30 min
IP RatingIP69IP68
Dust ResistantYesYes

Camera

Rear Camera48 MP ƒ/1.6 (Wide Angle)
48 MP ƒ/2.8 (Telephoto)
48 MP ƒ/2.2 (Ultra Wide)
108 MP ƒ/1.8
10 MP ƒ/4.9 (Telephoto)
10 MP ƒ/2.4 (Telephoto)
12 MP ƒ/2.2 (Ultra Wide)
OISYesYes
Auto FocusYes, Phase Detection autofocusYes
FeaturesAuto-HDR, Panorama
Video Recording4K @ 120/60 fps UHD, 1080p @ 120/60 fps FHD8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD
FlashYes, Dual LEDYes, LED
Front Camera48 MP ƒ/1.9 (Wide Angle)
Retina Flash
40 MP ƒ/2.2 (Wide Angle)
Punch Hole, Autofocus
Front Video Recording4K @ 60 fps UHD, 1080p @ 60 fps FHD4K @ 30/60 fps UHD, 1080p @ 30 fps FHD

Technical

OSiOS v27Android v10
ChipsetApple A20 ProSamsung Exynos 2100
CPUHexa Core Processor2.9 GHz, Octa Core Processor
Core Details1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55
GPUApple GPU (6-core graphics)Mali-G78 MP14
NPU3nm
JavaNoNo
BrowserYesYes

Multimedia

EmailYesYes
MusicAAC, APAC, MP3, Apple Lossless, FLAC, Dolby Digital, Dolby Digital Plus and Dolby Atmos, Spatial Audio playbackYes
VideoHEVC, H.264, AV1 and ProRes, HDR with Dolby Vision, HDR10+/HDR10 and HLGYes
FM RadioNoNo
Document ReaderYesYes

Battery

TypeNon-Removable BatteryNon-Removable Battery
SizeLi-ion Battery5000 mAh, Li-Po Battery
Fast ChargingYesYes, 25W Fast Charging
Wireless ChargingYesYes, 15W
Reverse ChargingYes, 4.5W
Reverse Wireless ChargingYes

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