Samsung Galaxy Z Fold 2 vs Samsung Galaxy S21 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
Samsung Galaxy Z Fold 2
8.5
Samsung Galaxy S21
Samsung Galaxy Z Fold 2 Samsung Galaxy S21
Released · Sep 18, 2020
Released · Jan 29, 2021
7.6-inch · 2208x1768px
6.2-inch · 2400x1080px
Triple camera
Triple camera
12GB · 256GB
8GB · 128GB
4500 mAh
4000 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
5.97 x 2.80 x 0.31 inches
151.7 x 71.2 x 7.9 mm
Folded
(159.2 x 68 x 16.8 mm)
Weight
9.95 oz (282.0 g) 6.03 oz (171.0 g)
Materials
Back: Glass
Frame: Aluminum
Back: Plastic
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 pink, Violet, Gray, White

Display

Size
7.6-inch 6.2-inch
Resolution
2208x1768px, 372 PPI 2400x1080px, 20:9 ratio, 424 PPI
Technology
Dynamic AMOLED Dynamic AMOLED
Refresh rate
120Hz 120Hz (adaptive)
Screen-to-body
89.00 % 86.06 %
Peak brightness
1300 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 (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
Memory
12GB (LPDDR5)/256GB (UFS 3.1) 8GB (LPDDR5)/128GB (UFS 3.0)
Storage expansion
not expandable not expandable
OS
Android (11, 10) Android (13, 12, 11)

Battery

Type
4500 mAh 4000 mAh, 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
PhoneArena Battery Tests
Battery Life Estimate
4h 23min
Browsing
6h 43min
Video
7h 10min
Gaming
9h 9min
Battery Life Estimate
4h 28min
Browsing
7h 47min
Video
7h 36min
Gaming
7h 9min

Camera

Rear
Triple camera Triple 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
12 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.76"
Pixel size: 1.8 μm
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm
12 MP (Ultra-wide, Autofocus)
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
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
4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
HDR, Continuous autofocus, EIS
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS
Front
10 MP (EIS, HDR)
Folded: 10 MP
Video capture: 4K UHD (60 fps)
10 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
5.0 5.0
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, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 66(AWS-3) Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 38, 39, 40, 41, 46, 48 Bands 38, 39, 40, 41, 46, 48
3G
Bands 1, 2, 5, 8 Bands 1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
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 08, 2020
FCC ID value: A3LSMG991U
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: 0.36 W/kg
Body: 1.08 W/kg
Simultaneous Transmission: 3.96 W/kg
Wireless Router: 1.09 W/kg
Phablet: 2.49 W/kg

Buyers information

MSRP
$ 2000 $ 800
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
Memory 256GB
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
2900 MHz
1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz 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
FCC OKs Cingular\'s purchase of AT&T Wireless