Samsung Galaxy S21 vs Apple iPhone 16 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.

8.5
Samsung Galaxy S21
7.3
Apple iPhone 16
Samsung Galaxy S21 Apple iPhone 16
Released · Jan 29, 2021
Released · Sep 20, 2024
6.2-inch · 2400x1080px
6.1-inch · 2556x1179px
Triple camera
Dual camera
8GB · 128GB
8GB · 128GB
4000 mAh
3561 mAh
Check prices Check prices

Availability

Officially announced
Jan 14, 2021 Sep 09, 2024
Prices (MSRP)
$800 $799 | €949

Design

Dimensions
5.97 x 2.80 x 0.31 inches
151.7 x 71.2 x 7.9 mm
5.81 x 2.82 x 0.31 inches (~0.44 inches with camera bump)
147.6 x 71.6 x 7.8 mm (~11.2 mm with camera bump)
Weight
6.03 oz (171.0 g) 6.00 oz (170.0 g)
Materials
Back: Plastic
Frame: Aluminum
Back: Glass
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, Other
Colors
Phantom pink, Violet, Gray, White Black, White, Pink, Teal, Ultramarine

Display

Size
6.2-inch, 86.06% screen-to-body 6.1-inch, 86.38% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1300 nits OLED, 60Hz, HDR, 2000 nits
Resolution
2400x1080px, 20:9 ratio, 424 PPI 2556x1179px, 19.5:9 ratio, 461 PPI
Protection
Corning Gorilla Glass Victus Ceramic Shield
Features
Super Retina XDR, HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip
Snapdragon 888 (5 nm) Apple A18 (3 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Hexa-core
2x4.04GHz
4x2.20G​Hz
GPU
Adreno 660 Apple 5-core GPU
Memory
8GB (LPDDR5)/128GB (UFS 3.0)
8GB/256GB
8GB (LPDDR5)/128GB (NVMe)
8GB/256GB
8GB/512GB
Storage expansion
not expandable not expandable
OS
Android (13, 12, 11) iOS (18.x)

Battery

Type
4000 mAh, Li - Polymer 3561 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 wired charging, MagSafe wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
Wired: 20.0W
Wireless: 25.0W
PhoneArena Battery Tests
Battery Life Estimate
4h 28min
Browsing
7h 47min
Video
7h 36min
Gaming
7h 9min
Battery Life Estimate
6h 21min
Browsing
16h 48min
Video
7h 30min
Gaming
9h 52min

Camera

Rear
Triple camera Dual camera
Main camera
12 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.76"
Pixel size: 1.8 μm
48 MP (Sensor-shift OIS, PDAF)
Sensor name: Sony IMX904
Aperture size: F1.6
Focal length: 26 mm
Sensor size: 1/1.56"
Pixel size: 1.0 μm
Second camera
12 MP (Ultra-wide, Autofocus)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
12 MP (Ultra-wide, PDAF)
Sensor name: Sony IMX633
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 0.7 μm
Third camera
64 MP (Telephoto, OIS, PDAF)
Aperture size: F2.0
Focal Length: 29 mm
Sensor size: 1/1.7"
Pixel size: 0.8 μm
Flash
LED Dual LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS
4K UHD (60 fps), 1080p (240 fps)
OIS, HDR, Dolby Vision HDR, Cinematic mode
Front
10 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
12 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
149
Overall
154
Photo
143
Video

Connectivity & Features

Bluetooth
5.0 5.3
WLAN
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
a,b,g,n,ac,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 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Barometer, Emergency SOS via satellite (SMS sending/receiving), 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, Cell ID, Wi-Fi positioning
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, n28, n29, n30, n38, n40, n41, n48, n66, n70, n71, n75, n77, n78, n79, n258, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD) 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
4G (TDD) Bands
38, 39, 40, 41, 46, 48 34, 38, 39, 40, 41, 42, 46, 48
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM eSIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Dec 08, 2020
FCC ID value: A3LSMG991U
Date approved: Sep 09, 2024
FCC ID value: BCG-E8688A
Measured SAR
Head: 0.36 W/kg
Body: 1.08 W/kg
Simultaneous Transmission: 3.96 W/kg
Wireless Router: 1.09 W/kg
Phablet: 2.49 W/kg
Head: 0.96 W/kg
Body: 0.96 W/kg
Simultaneous Transmission: 1.52 W/kg

Alternative variants

with 256GB storage
Memory 256GB
With 256GB internal storage
Memory 256GB
Prices (MSRP) $999
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
2900 MHz
1x2.91GHz Cortex-X1
3x2.81G​Hz Cortex-A78
4x2.2G​Hz Cortex-A55
GPU Mali G78 MP14
Weight 5.96 oz (169.0 g)
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 18, 2020
FCC ID value: A3LSMG991B
Measured SAR Head: 0.42 W/kg
Body: 0.94 W/kg
Simultaneous Transmission: 3.96 W/kg
Wireless Router: 1.34 W/kg
Phablet: 2.37 W/kg
With 512GB internal storage
Memory 512GB
Prices (MSRP) $1199
FCC OKs Cingular\'s purchase of AT&T Wireless