Samsung Galaxy S21 vs Apple iPhone 15 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	7.0
Samsung Galaxy S21	Apple iPhone 15
Released · Jan 29, 2021	Released · Sep 22, 2023
6.2-inch	6.1-inch
Triple camera	Dual camera
8GB · 128GB	6GB · 128GB
4000 mAh	3349 mAh
Check prices	Check prices

Availability

Officially announced
Jan 14, 2021	Sep 12, 2023
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 (~0.45 inches with camera bump) 147.6 x 71.6 x 7.8 mm (~11.33 mm with camera bump)
Weight
6.03 oz (171.0 g)	6.03 oz (171.0 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
Colors
Phantom pink, Violet, Gray, White	Black, Blue, Green, Yellow, Pink

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)	A16 Bionic (4 nm)
Processor
Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680	Hexa-core 2x3.46 GHz Everest 4x2.02 GHz Sawtooth
GPU
Adreno 660	Apple GPU 5-core
Memory
8GB (LPDDR5)/128GB (UFS 3.0) 8GB/256GB	6GB (LPDDR5)/128GB 6GB/256GB 6GB/512GB
Storage expansion
not expandable	not expandable
OS
Android (13, 12, 11)	iOS (18.x, 17.x)

Battery

Type
4000 mAh, Li - Polymer	3349 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, MagSafe wireless charging
Charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 20.0W Wireless: 15.0W

Battery Life Estimate

4h 28min

Browsing

7h 47min

Video

7h 36min

Gaming

7h 9min

Battery Life Estimate

5h 41min

Browsing

13h 25min

Video

7h 51min

Gaming

8h 24min

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 Pixel size: 2.0 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) Sensor name: Sony IMX772 Aperture size: F2.4 Focal Length: 13 mm
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	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)

N/A

Overall

N/A

Photo

N/A

Video

148

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 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, 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, 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, Loudspeaker
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, n77, n78, n258, n260, n261, SA, NSA, mmWave, 5G Ready
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, 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 12, 2023 FCC ID value: BCG-E8427A
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: 0.95 W/kg Body: 0.95 W/kg Simultaneous Transmission: 1.50 W/kg

Alternative variants

with 256GB storage


Memory	256GB

With 256GB internal storage


Memory	256GB

for Europe


System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 2900 MHz 1x2.91GHz Cortex-X1 3x2.81GHz Cortex-A78 4x2.2GHz 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

Links

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