Motorola Moto Z4 vs Samsung Galaxy S21 Ultra Specs Comparison

Availability

Officially announced
May 30, 2019	Jan 14, 2021
Prices (MSRP)
$500	12GB/128GB - $1200 | €1399 12GB/256GB - $1250 16GB/512GB - $1380

Design

Dimensions
6.22 x 2.95 x 0.29 inches 158 x 75 x 7.35 mm	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
5.82 oz / 165.0 g	8.04 oz / 229.0 g Europe version - 227 g
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum	Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
Splash	Water, Dust; IP68
Biometrics
Optical in-screen fingerprint	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Gray, White	Phantom black, Silver

Display

Size
6.4-inch, 84.67% screen-to-body	6.8-inch, 89.33% screen-to-body
Type
OLED	Dynamic AMOLED, 120Hz, HDR, 1500 nits
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	3200x1440px, 20:9 ratio, 516 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass Victus

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
4 (Poor)	1.5 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 675 (11 nm)	Snapdragon 888 SM8350 (5 nm) Europe version - Exynos 2100 S5E9840
Processor
Octa-core 2000 MHz Kryo 460	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
GPU
Adreno 612	Adreno 660 Europe version - Mali-G78 MP14
Memory
4GB (LPDDR4)/128GB	12GB (LPDDR5)/128GB (UFS 3.1) 12GB/256GB 16GB/512GB
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (10, 9.0 Pie)	Android (14, 13, 12, 11)

PhoneArena Performance Test

GeekBench 6 Single
Untested	1117
GeekBench 6 Multi
Untested	3312
3D Mark High
Untested	1963
3D Mark Low
Untested	1179

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
3600 mAh, Li - Ion	5000 mAh, Li - Polymer
Charging
Motorola TurboPowe	Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
	Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 15min

Browsing

14h 43min

Video

8h 52min

Gaming

8h 40min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Quad camera
Main camera
48 MP (OIS, Laser and PDAF) Aperture size: F1.7 Sensor size: 1/2" Pixel size: 0.8 μm	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, 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: 10.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm
Flash
Dual LED	LED
Video recording
4K UHD (30 fps), 1080p (120 fps) Time-lapse video, Video calling, Video sharing	8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Hyperlapse, Video light, EIS
Front
25 MP Video capture: 1080p (30 fps)	40 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
5.0	5.1
WLAN
dual-band Wi-Fi Direct, Hotspot 802.11 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 3.1	Type-C, USB 3.2
Sensors
Accelerometer, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M3/T3
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+

Multimedia

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

Cellular

5G Bands
	n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
LTE Bands
1, 2, 3, 4, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 66, 71	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71
TDD Bands
38, 40, 41	38, 39, 40, 41, 46, 48
3G Bands
5, 8, 4, 2, 1	1, 2, 4, 5, 8
Data Speed
LTE-A, HSPA, HSUPA	LTE-A Pro Cat 20 (2000/150 Mbit/s)
SIM type
Nano SIM	Nano SIM

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

Discover more

Full Specs Motorola Moto Z4 Specs PA Review Motorola Moto Z4 Review

Full Specs Samsung Galaxy S21 Ultra Specs PA Review Samsung Galaxy S21 Ultra Review