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Samsung Galaxy Z Fold 3 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.

Comparison mode:
Specs Size
Differences only
9.0
Samsung Galaxy Z Fold 3
8.5
Samsung Galaxy S21+
Samsung Galaxy Z Fold 3 Samsung Galaxy S21+
Released · Aug 27, 2021
Released · Jan 29, 2021
7.6-inch
6.7-inch
Triple camera
Triple camera
12GB · 256GB
8GB · 128GB
4400 mAh
4800 mAh
Check prices Check prices

Design

Dimensions
6.23 x 5.04 x 0.25 inches (~0.30 inches with camera bump)
158.2 x 128.1 x 6.4 mm (~7.7 mm with camera bump) 		6.35 x 2.98 x 0.31 inches
161.5 x 75.6 x 7.8 mm
Folded
6.22 x2.64 x0.56 inches (158.2 x 67.1 x 14.4 mm)
Weight
9.56 oz (271.0 g) 7.13 oz (202.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum 		Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Resistance
Dust; IPX8 Water, Dust; IP68
Biometrics
Fingerprint (touch) 2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Phantom Black, Phantom Green, Phantom Silver Phantom silver, Black, Violet

Display

Size
7.6-inch 6.7-inch
Resolution
2208x1768px, 22.5:18 ratio, 372 PPI 2400x1080px, 20:9 ratio, 393 PPI
Technology
Super AMOLED Dynamic AMOLED
Refresh rate
120Hz 120Hz (adaptive)
Screen-to-body
88.57 % 88.63 %
Peak brightness
1200 cd/m2 (nit) 1300 cd/m2 (nit)
Features
Folding inside the device, 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
2268 x832 px
Super AMOLED
120Hz refresh rate, Folding inside the device, HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity senso

Hardware

System chip
Qualcomm Snapdragon 888 SM8350 (5 nm) Qualcomm Snapdragon 888 (5 nm)
Processor
Octa-core
1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680 		Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
GPU
Adreno 660 Adreno 660
RAM
12GB (LPDDR5) 8GB (LPDDR5)
Internal storage
256GB (UFS 3.1) 128GB (UFS 3.0)
Storage expansion
not expandable not expandable
OS
Android (14, 13, 12, 11), One UI Android (13, 12, 11), Samsung One UI

Battery

Capacity
4400 mAh 4800 mAh
Type
Li - Polymer Li - Polymer
Charging
Fast charging, Qi 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 30min
Browsing
8h 15min
Video
6h 58min
Gaming
8h 24min
Battery Life Estimate
5h 26min
Browsing
10h 50min
Video
8h 27min
Gaming
8h 36min
Learn more on our PhoneArena Battery Test Results page

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 (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 		12 MP (Ultra-wide, PDAF)
Aperture size: F1.8
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Third camera
12 MP (Ultra-wide, OIS)
Aperture size: F2.2
Focal Length: 12 mm
Pixel size: 1.12 μm 		64 MP (Telephoto, OIS, PDAF)
Aperture size: F2.0
Focal Length: 29 mm
Sensor size: 1/2.55"
Pixel size: 0.8 μm
Flash
LED LED
Video recording
Yes
HDR, Continuous autofocus, 10-bit HDR 		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
4 MP (Under-screen, HDR), Video capture: 3840x2160 (4K UHD) (30 fps)
Folded: 10 MP 		10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
5.2 5.0
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6)
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 3.2 Type-C, USB 3.2
Hearing aid compatible
M3/T4 M3/T3
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Barometer Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC NFC, ANT+

Multimedia

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

Cellular

5G
Bands n2, n5, n25, n41, n66, n71, n260, SA, NSA, Sub-6, mmWave Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD)
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) 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), 9(1700) 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 LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
SIM type
Nano SIM, eSIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Jun 23, 2021
FCC ID value: A3LSMF926U 		Date approved: Dec 18, 2020
FCC ID value: A3LSMG996U
Measured SAR
Head: 0.73 W/kg
Body: 0.86 W/kg
Simultaneous Transmission: 1.22 W/kg
Wireless Router: 0.79 W/kg 		Head: 0.65 W/kg
Body: 0.95 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.04 W/kg
Phablet: 3.97 W/kg

Buyers information

MSRP
$ 1799 / € 1899 $ 1000
In The Box
USB-C cable, SIM ejector tool, Paperwork C to C Data Cable, Ejection Pin

Availability

Officially announced
Aug 11, 2021 Jan 14, 2021

Alternative variants

With 512GB internal storage
Internal storage 512GB
MSRP $ 1899
with 256GB storage
Internal storage 256GB
MSRP $ 1050
With Dual SIM and eSIM
SIM type Dual Nano SIM + eSIM
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 7.05 oz (200.0 g)
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 18, 2020
FCC ID value: A3LSMG996B
Measured SAR Head: 0.24 W/kg
Body: 0.75 W/kg
Simultaneous Transmission: 3.59 W/kg
Wireless Router: 1.26 W/kg
Phablet: 1.95 W/kg
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