Samsung Galaxy S21 Ultra vs Apple iPhone 15 Pro Max Specs Comparison

Display

Size
6.8-inch	6.7-inch
Resolution
3200 x 1440 px, 20:9 ratio, 516 PPI	2796 x 1290 px, 19.5:9 ratio, 460 PPI
Technology
Dynamic AMOLED	OLED
Refresh rate
120Hz (adaptable)	120Hz
Screen-to-body
89.33 %	89.75 %
Peak brightness
1500 cd/m2 (nit)	2000 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor	Super Retina XDR, HDR support, Oleophobic coating, Scratch-resistant glass (Ceramic Shield), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 SM8350 (5 nm)	A17 Pro (3 nm)
Processor
Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit	Hexa-core
GPU
Adreno 660	Apple GPU 6-core
RAM
12GB (LPDDR5)	8GB
Internal storage
128GB (UFS 3.1), not expandable	256GB, not expandable
OS
Android (13, 12, 11), Samsung One UI	iOS (18.x, 17.x)
Device type
Smartphone	Smartphone

Battery

Capacity
5000 mAh	4422 mAh
Type
Li - Polymer, Not user replaceable	Not user replaceable
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging	Fast charging, MagSafe wireless charging
Max charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

6h 15min

Browsing

14h 43min

Video

8h 52min

Gaming

8h 40min

Battery Life Estimate

7h 26min

Browsing

19h 20min

Video

9h 45min

Gaming

9h 36min

Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Quad camera	Triple camera
Main camera
108 MP (OIS, Laser and PDAF) Specifications: Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm	48 MP (Sensor-shift OIS, PDAF) Specifications: Aperture size: F1.8 Focal length: 24 mm Pixel size: 2.44 μm
Second camera
10 MP (Telephoto, Periscope, OIS, PDAF) Specifications: Optical zoom: 10.0x Aperture size: F4.9 Focal Length: 240 mm Sensor size: 1/3.2" Pixel size: 1.22 μm	12 MP (Telephoto, Sensor-shift OIS) Specifications: Optical zoom: 5.0x Aperture size: F2.8 Focal Length: 120 mm Pixel size: 1.12 μm
Third camera
10 MP (Telephoto, OIS, PDAF) Specifications: Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm	12 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.4 μm
Fourth camera
12 MP (Ultra-wide, PDAF) Specifications: Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Flash
LED	LED
Video recording
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) Features: OIS, HDR, Hyperlapse, Video light, EIS	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps) Features: ProRes, Cinematic mode
Front
40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)	12 MP (Time-of-Flight (ToF)), Video capture: 3840x2160 (4K UHD) (60 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

154

Overall

157

Photo

152

Video

Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)	6.30 x 3.02 x 0.32 inches (159.9 x 76.7 x 8.25 mm) thickness with camera 0.48 inches (12.28 mm)
Weight
8.04 oz(229.0 g)	7.80 oz(221.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum	Back: Glass Frame: Titanium
Resistance
Water, Dust; IP68	Yes; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	3D Face unlock
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control, Other; Right: Lock/Unlock key
Colors
Phantom black, Silver	Black Titanium, White Titanium, Blue Titanium, Natural Titanium

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave	Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n28, n29, n30, n38, n40, n41, n48, n66, n70, n71, n77, n78, n79, n258, n260, n261, SA, NSA, mmWave
4G (FDD)
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), 30(2300 WCS), 66(AWS-3), 71(600)	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), 17(700 b), 18(800 Lower), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 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
SIM type
Nano SIM	eSIM

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation, Video recording	Noise cancellation

Connectivity & Features

Bluetooth
5.1	5.3
Wi-Fi
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, 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 3.2, Features: Charging, Headphones port, OTG, Video out	Type-C (reversible), USB 3.2, Features: Charging
Hearing aid compatible
M3/T3	M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass, Barometer
Other
NFC, ANT+	NFC, Ultra Wideband (UWB)

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U	Date approved: Sep 12, 2023 FCC ID value: BCG-E8439A
Measured SAR
Head: 0.77 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.16 W/kg Phablet: 3.15 W/kg	Head: 0.95 W/kg Body: 0.95 W/kg Simultaneous Transmission: 0.95 W/kg

Buyers information

Price
$ 1200	$ 1199 / € 1449
In The Box
C to C Data Cable, Ejection Pin	USB Type-C, Paperwork

Availability

Officially announced
Jan 14, 2021	Sep 12, 2023

Links

Full specifications
Samsung Galaxy S21 Ultra Specs	Apple iPhone 15 Pro Max Specs
PhoneArena Review
Samsung Galaxy S21 Ultra Review	Apple iPhone 15 Pro Max Review
User Reviews
Samsung Galaxy S21 Ultra User Reviews	Apple iPhone 15 Pro Max User Reviews