Samsung Galaxy S21 Ultra vs Apple iPhone 12 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
9.0
Apple iPhone 12
Samsung Galaxy S21 Ultra Apple iPhone 12
Released · Jan 29, 2021
Released · Oct 23, 2020
6.8-inch · 3200x1440px
6.1-inch · 2532x1170px
Quad camera
Dual camera
12GB · 128GB
4GB · 64GB
5000 mAh
2815 mAh
Check prices Check prices

Availability

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

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)
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)
Weight
8.04 oz / 229.0 g 5.78 oz / 164.0 g
Materials
Back: Glass (Corning Gorilla Glass Victus)
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 black, Silver Black, White, Red, Green, Blue, Purple

Display

Size
6.8-inch, 89.33% screen-to-body 6.1-inch, 87.24% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1500 nits OLED, 60Hz, HDR, 1200 nits
Resolution
3200x1440px, 20:9 ratio, 516 PPI 2532x1170px, 19.5:9 ratio, 457 PPI
Protection
Corning Gorilla Glass Victus Ceramic Shield
Features
HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1.5 (Good) 1.8 (Good)

Hardware

System chip
Snapdragon 888 SM8350 (5 nm) Apple A14 Bionic (5 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Hexa-core
3100 MHz
GPU
Adreno 660 Yes
Memory
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
4GB (LPDDR4)/64GB (NVMe)
4GB/128GB
4GB/256GB
Storage expansion
not expandable not expandable
OS
Android (14, 13, 12, 11) iOS (16.x, 15.x, 14.x)
PhoneArena Performance Test
GeekBench 6 Single
1117 2009
GeekBench 6 Multi
3312 4369
3D Mark High
1963 2347
3D Mark Low
1179 1801

Battery

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

Camera

Rear
Quad camera Dual 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
12 MP (Sapphire crystal lens cover, OIS, PDAF)
Aperture size: F1.6
Focal length: 26 mm
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
12 MP (Ultra-wide, Sapphire crystal lens cover)
Aperture size: F2.4
Focal Length: 13 mm
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
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
4K UHD (60 fps), 1080p (240 fps)
OIS, HDR, Time-lapse video, Continuous autofocus, Picture-taking during video recording
Front
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
12 MP (EIS, HDR, Slow-motion videos)
Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
5.1 5.0
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
Type-C, USB 3.2 Lightning
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
Other
NFC, ANT+ NFC, UMA (Wi-Fi Calling)

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
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

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, n20, n25, n28, n38, n40, n41, n66, n71, n77, n78, n79, n260, n261, 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, 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 Pro Cat 20 (2000/150 Mbit/s) LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM, eSIM
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 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
with 128GB storage
Memory 128GB
Prices (MSRP) $879
with 512GB storage
Memory 16GB/512GB
Colors Phantom black
Prices (MSRP) $1380
with 256GB storage
Memory 256GB
Prices (MSRP) $979
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