Samsung Galaxy S21+ vs Samsung Galaxy Z Flip 4 Specs Comparison

Design

Dimensions
6.35 x 2.98 x 0.31 inches 161.5 x 75.6 x 7.8 mm	6.50 x 2.83 x 0.27 inches 165.2 x 71.9 x 6.9 mm
Folded
	(84.9 x 71.9 x 17.1 mm)
Weight
7.13 oz (202.0 g)	6.60 oz (187.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum	Back: Glass Frame: Aluminum
Resistance
Water, Dust; IP68	Yes; IPX8
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control, Lock/Unlock key
Colors
Phantom silver, Black, Violet

Display

Size
6.7-inch	6.7-inch
Resolution
2400x1080px, 20:9 ratio, 393 PPI	2640x1080px, 22:9 ratio, 426 PPI
Technology
Dynamic AMOLED	Dynamic AMOLED
Refresh rate
120Hz (adaptive)	120Hz
Screen-to-body
88.63 %	85.52 %
Peak brightness
1300 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor	Folding inside the device, HDR support, Ambient light sensor, Proximity sensor
Front cover display
	1.9 inches 260 x512 px

Hardware

System chip
Qualcomm Snapdragon 888 (5 nm)	Qualcomm Snapdragon 8+ Gen 1 SM8475
Processor
Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680	Octa-core 1x 3.19GHz Cortex-X2 + 3x 2.75GHz Cortex-A710 + 4x 1.80GHz Cortex-A510
GPU
Adreno 660	Adreno 670
RAM
8GB (LPDDR5)	8GB (LPDDR5)
Internal storage
128GB (UFS 3.0)	128GB (UFS 3.1)
Storage expansion
not expandable	not expandable
OS
Android (13, 12, 11), Samsung One UI	Android (12)

Battery

Capacity
4800 mAh	3700 mAh
Type
Li - Polymer
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging	Fast charging, Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

5h 26min

Browsing

10h 50min

Video

8h 27min

Gaming

8h 36min

Battery Life Estimate

5h 0min

Browsing

11h 40min

Video

7h 20min

Gaming

6h 31min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Dual 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 Pixel size: 1.8 μm
Second camera
12 MP (Ultra-wide, PDAF) Aperture size: F1.8 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	12 MP (Ultra-wide) Aperture size: F2.4 Pixel size: 1.12 μm
Third camera
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
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	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD)
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)	Yes Folded: 10 MP

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

131

Overall

136

Photo

125

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.0	5.2
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 Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2	Type-C
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, 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)
Other
NFC, ANT+	NFC

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
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation, Video recording	Noise cancellation

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave	Bands 5G Ready
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)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM	Nano SIM, eSIM

Regulatory Approval

FCC approval
Date approved: Dec 18, 2020 FCC ID value: A3LSMG996U	Date approved: Apr 20, 2023 FCC ID value: A3LSMF721U
Measured SAR
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	Head: 0.89 W/kg Body: 0.94 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.06 W/kg

Buyers information

MSRP
$ 1000	$ 1000
In The Box
C to C Data Cable, Ejection Pin

Availability

Officially announced
Jan 14, 2021	Aug 10, 2022

Alternative variants

with 256GB storage

Internal storage	256GB
MSRP	$ 1050

With 512GB internal storage

Internal storage	512GB

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

With 256GB internal storage

Internal storage	256GB

Links

Full specifications
Samsung Galaxy S21+ Specs	Samsung Galaxy Z Flip 4 Specs
PhoneArena Review
Samsung Galaxy S21+ Review	Samsung Galaxy Z Flip 4 Review
User Reviews
Samsung Galaxy S21+ User Reviews