Samsung Galaxy S21 Ultra vs Apple iPhone 17 Pro Max 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.

9.1
Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra Apple iPhone 17 Pro Max
Released · Jan 29, 2021
Released · Sep 19, 2025
6.8-inch · 3200x1440px
6.9-inch · 2868x1320px
Quad camera
Triple camera
12GB · 128GB
12GB · 256GB
5000 mAh
5088 mAh
Check prices Check prices
Check Accessories Check Accessories

Availability

Officially announced
Jan 14, 2021 Sep 09, 2025
Prices (MSRP)
12GB/128GB - $1200 | €1399
12GB/256GB - $1250
16GB/512GB - $1380
12GB/256GB - $1199 | €1449
12GB/512GB - $1399 | €1699
12GB/1TB - $1599 | €1949
12GB/2TB - $1999 | €2449

Design

Dimensions
6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump)
165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)
6.43 x 3.07 x 0.34 inches (~0.39 inches with camera bump)
163.4 x 78.0 x 8.75 mm (~9.9 mm with camera bump)
Weight
8.04 oz / 229.0 g
Europe version - 227 g
8.22 oz / 233.0 g
International version - 231 g
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Back: Glass (Ceramic Shield)
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Dust; 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 Silver, Cosmic Orange, Deep Blue

Display

Size
6.8-inch, 89.33% screen-to-body 6.9-inch, 91.60% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1500 nits OLED, Variable 1-120Hz, HDR, 3000 nits
Resolution
3200x1440px, 20:9 ratio, 516 PPI 2868x1320px, 19.5:9 ratio, 458 PPI
Protection
Corning Gorilla Glass Victus Gorilla Glass Ceramic 2
Features
Super Retina XDR, HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor
PhoneArena Display Test
Bright Max (20% APL)
Untested 2689 (Excellent)
Bright Min
1.5 (Good) 0.9 (Excellent)

Hardware

System chip
Snapdragon 888 SM8350 (5 nm)
Europe version - Exynos 2100 S5E9840
Apple A19 Pro (3 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Europe version - Octa-core, 1x2.91GHz Cortex-X1, 3x2.81G​Hz Cortex-A78, 4x2.2G​Hz Cortex-A55
Hexa-core
GPU
Adreno 660
Europe version - Mali-G78 MP14
Apple 6-core GPU
Memory
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
12GB/256GB
12GB/512GB
12GB/1TB
12GB/2TB
Storage expansion
not expandable not expandable
OS
Android (14, 13, 12, 11) iOS (26.x)
PhoneArena Performance Test
GeekBench 6 Single
1117 3775
GeekBench 6 Multi
3312 9749
3D Mark High
1963 5987
3D Mark Low
1179 3841

Battery

Type
5000 mAh, Li - Polymer 5088 mAh, Nano SIM model - 4832 mAh, Li - Ion
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
Fast charging
Qi2 wireless charging, Reverse wireless charging, MagSafe wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
Wired: 40.0W
Wireless: 25.0W
PhoneArena Battery Tests
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Battery Life Estimate
7h 46min
Browsing
20h 9min
Video
9h 37min
Gaming
11h 34min

Camera

Rear
Quad camera Triple camera
Main camera
108 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
48 MP (Sensor-shift OIS, PDAF)
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.28"
Pixel size: 1.22 μm
Second camera
12 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
48 MP (Ultra-wide, Sensor-shift OIS)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 0.7 μm
Third camera
10 MP (Telephoto, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
48 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 4.0x
Aperture size: F2.8
Focal Length: 100 mm
Sensor size: 1/2.55"
Pixel size: 0.7 μm
Fourth camera
10 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 10.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
Flash
LED Dual LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
4K UHD (120 fps), 1080p (240 fps)
OIS, HDR, 10-bit HDR, Dolby Vision HDR, ProRes, Cinematic mode
Front
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
18 MP (Time-of-Flight (ToF), Autofocus, HDR)
Video capture: 4K UHD (60 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
156
Overall
162
Photo
150
Video

Connectivity & Features

Bluetooth
5.1 6.0
WLAN
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 7
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.2 Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
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, NavIC, Cell ID, Wi-Fi positioning, Emergency SOS via satellite (SMS sending/receiving)
Other
NFC, ANT+ NFC, Ultra Wideband (UWB)

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 Dolby Atmos

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n29, n30, n38, n40, n41, n48, n53, n66, n70, n71, n75, n77, n78, n79, n258, n260, n261, SA, NSA, mmWave
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 66, 71
TDD Bands
38, 39, 40, 41, 46, 48 34, 38, 39, 40, 41, 42, 48, 53
3G Bands
1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s) LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM eSIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U
Date approved: Sep 09, 2025
FCC ID value: BCG-E8950A
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: 1.19 W/kg
Body: 1.19 W/kg
Simultaneous Transmission: 1.59 W/kg

Alternative variants

with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
with 512GB storage
Memory 16GB/512GB
Colors Phantom black
Prices (MSRP) $1380
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
1x2.91GHz Cortex-X1
3x2.81G​Hz Cortex-A78
4x2.2G​Hz Cortex-A55
GPU Mali G78 MP14
Weight 8.01 oz / 227.0 g
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 22, 2020
FCC ID value: A3LSMG998B
Measured SAR Head: 0.16 W/kg
Body: 0.72 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg
Phablet: 3.86 W/kg
FCC OKs Cingular\'s purchase of AT&T Wireless