Apple iPhone 12 vs Samsung Galaxy S21 Ultra 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.

9.0
Apple iPhone 12
9.1
Samsung Galaxy S21 Ultra
Apple iPhone 12 Samsung Galaxy S21 Ultra
Released · Oct 23, 2020
Released · Jan 29, 2021
6.1-inch
6.8-inch
Dual camera
Quad camera
4GB · 64GB
12GB · 128GB
2815 mAh
5000 mAh
Check prices Check prices

Availability

Officially announced
Oct 13, 2020 Jan 14, 2021
Prices (MSRP)
$829 $1200 | €1399

Design

Dimensions
5.78 x 2.81 x 0.29 inches (~0.35 inches with camera bump)
146.7 x 71.5 x 7.4 mm (~8.88 mm with camera bump)
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)
Weight
5.78 oz (164.0 g) 8.04 oz (229.0 g)
Materials
Back: Glass
Frame: Aluminum
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Dust; IP68
Biometrics
3D Face unlock 2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Left: Volume control, Other; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, White, Red, Green, Blue, Purple Phantom black, Silver

Display

Size
6.1-inch, 87.24% screen-to-body 6.8-inch, 89.33% screen-to-body
Type
OLED, 60Hz, HDR, 1200 nits Dynamic AMOLED, 120Hz, HDR, 1500 nits
Resolution
2532x1170px, 19.5:9 ratio, 457 PPI 3200x1440px, 20:9 ratio, 516 PPI
Protection
Ceramic Shield Corning Gorilla Glass Victus
Features
HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip
Apple A14 Bionic (5 nm) Snapdragon 888 SM8350 (5 nm)
Processor
Hexa-core
3100 MHz
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
GPU
Yes Adreno 660
Memory
4GB (LPDDR4)/64GB (NVMe)
4GB/128GB
4GB/256GB
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
Storage expansion
not expandable not expandable
OS
iOS (16.x, 15.x, 14.x) Android (14, 13, 12, 11)

Battery

Type
2815 mAh, Li - Ion 5000 mAh, Li - Polymer
Charging
USB Power Delivery
Qi wireless charging, MagSafe wireless charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
Wireless: 15.0W Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
4h 59min
Browsing
12h 33min
Video
6h 38min
Gaming
6h 46min
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min

Camera

Rear
Dual camera Quad camera
Main camera
12 MP (Sapphire crystal lens cover, OIS, PDAF)
Aperture size: F1.6
Focal length: 26 mm
108 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide, Sapphire crystal lens cover)
Aperture size: F2.4
Focal Length: 13 mm
12 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 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
Fourth camera
10 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
Flash
LED LED
Video recording
4K UHD (60 fps), 1080p (240 fps)
OIS, HDR, Time-lapse video, Continuous autofocus, Picture-taking during video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
Front
12 MP (EIS, HDR, Slow-motion videos)
Video capture: 4K UHD (60 fps)
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
5.0 5.1
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,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Lightning Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T4 M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, UMA (Wi-Fi Calling) NFC, ANT+

Multimedia

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

Cellular

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

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U
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

Alternative variants

with 128GB storage
Memory 128GB
Prices (MSRP) $879
with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
with 256GB storage
Memory 256GB
Prices (MSRP) $979
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