Samsung Galaxy Z Fold 2 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.

8.8	9.1
Samsung Galaxy Z Fold 2	Samsung Galaxy S21 Ultra
Released · Sep 18, 2020	Released · Jan 29, 2021
7.6-inch · 2208x1768px	6.8-inch · 3200x1440px
Triple camera	Quad camera
12GB · 256GB	12GB · 128GB
4500 mAh	5000 mAh
Check prices	Check prices

Design

Dimensions
6.27 x 5.05 x 0.27 inches 159.2 x 128.2 x 6.9 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)
Folded
(159.2 x 68 x 16.8 mm)
Weight
9.95 oz (282.0 g)	8.04 oz (229.0 g)
Materials
Back: Glass Frame: Aluminum	Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Mystic black, Mystic bronze	Phantom black, Silver

Display

Size
7.6-inch	6.8-inch
Resolution
2208x1768px, 372 PPI	3200x1440px, 20:9 ratio, 516 PPI
Technology
Dynamic AMOLED	Dynamic AMOLED
Refresh rate
120Hz	120Hz (adaptable)
Screen-to-body
89.00 %	89.33 %
Peak brightness
	1500 cd/m2 (nit)
Features
Folding inside the device, HDR support, Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
Front cover display
6.2 inches 2260 x816 px AMOLED Scratch-resistant glass (Corning Gorilla Glass)

Hardware

System chip
Qualcomm Snapdragon 865+ SM8250-AB (7 nm)	Qualcomm Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core 1x 3.1GHz Kryo 585 + 3x 2.42GHz Kryo 585 + 4x 1.80GHz Kryo 585	Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680
GPU
Adreno 650	Adreno 660
RAM
12GB (LPDDR5)	12GB (LPDDR5)
Internal storage
256GB (UFS 3.1), available to use: 220.5 GB	128GB (UFS 3.1)
Storage expansion
not expandable	not expandable
OS
Android (11, 10), Samsung One UI	Android (14, 13, 12, 11), One UI

Battery

Capacity
4500 mAh	5000 mAh
Type
	Li - Polymer
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging	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: 11.0W	Wired: 25.0W Wireless: 15.0W

Battery Life Estimate

4h 23min

Browsing

6h 43min

Video

7h 10min

Gaming

9h 9min

Battery Life Estimate

6h 15min

Browsing

14h 43min

Video

8h 52min

Gaming

8h 40min

Camera

Rear
Triple camera	Quad 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	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) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm	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
12 MP (Telephoto, OIS, PDAF) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 52 mm Sensor size: 1/3.6" Pixel size: 1.0 μm	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
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) HDR, Continuous autofocus, EIS	7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) OIS, HDR, Hyperlapse, Video light, EIS
Front
10 MP (EIS, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) Folded: 10 MP	40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
5.0	5.1
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1	Type-C, USB 3.2
Hearing aid compatible
	M3/T3
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC, ANT+	NFC, ANT+

Multimedia

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

Cellular

5G
Bands SA, NSA, Sub-6, mmWave	Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
Bands 1(2100), 2(1900), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), 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

Regulatory Approval

FCC approval
Date approved: Oct 27, 2020 FCC ID value: A3LSMF916U	Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U
Measured SAR
Head: 0.29 W/kg Body: 1.14 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.06 W/kg	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

Buyers information

MSRP
$ 2000	$ 1200 / € 1399
In The Box
Data Cable, Travel Adapter, Ejection Pin	C to C Data Cable, Ejection Pin

Availability

Officially announced
Aug 05, 2020	Jan 14, 2021

Alternative variants

Thom Browne Edition


Colors	Grey
MSRP	$ 3300
In The Box	Galaxy Watch3 Charging Dock, Galaxy Buds Live Leather Cover, Galaxy Z Fold2 5G Thom Browne Edition, Galaxy Z Fold2 5G Leather Cover (front), Data Cable, Travel Adapter, Galaxy Z Fold2 5G Leather Cover (back), Dust Bag, Galaxy Buds Live Thom Browne Editio, Galaxy Watch3 Sport Band, Galaxy Watch3 Thom Browne Edition (41mm), Galaxy Watch3 Leather Strap

with 256GB storage


Internal storage	256GB
Colors	Phantom black
MSRP	$ 1250

with 512GB storage


RAM	16GB
Internal storage	512GB
Colors	Phantom black
MSRP	$ 1380

for Europe


System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz 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

Links

Full specifications
Samsung Galaxy Z Fold 2 Specs	Samsung Galaxy S21 Ultra Specs
PhoneArena Review
Samsung Galaxy Z Fold 2 Review	Samsung Galaxy S21 Ultra Review
User Reviews
Samsung Galaxy Z Fold 2 User Reviews	Samsung Galaxy S21 Ultra User Reviews