Samsung Galaxy S21 vs Google Pixel 9 Pro Fold Specs Comparison

Design

Dimensions
5.97 x 2.80 x 0.31 inches 151.7 x 71.2 x 7.9 mm	6.11 x 5.91 x 0.20 inches 155.2 x 150.2 x 5.1 mm
Folded
	6.11 x3.03 x0.41 inches (155.2 x 77.1 x 10.5 mm)
Weight
6.03 oz (171.0 g)	9.07 oz (257.0 g)
Materials
Back: Plastic Frame: Aluminum	Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
Water, Dust; IP68	Water; IPX8
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Phantom pink, Violet, Gray, White	Obsidian, Porcelain

Display

Size
6.2-inch	8.0-inch
Resolution
2400x1080px, 20:9 ratio, 424 PPI	2152x2076px, 374 PPI
Technology
Dynamic AMOLED	OLED
Refresh rate
120Hz (adaptive)	120Hz
Screen-to-body
86.06 %	82.64 %
Peak brightness
1300 cd/m2 (nit)	2700 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
	6.3 inches 2424 x1080 px OLED 120Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass Victus 2)

Hardware

System chip
Qualcomm Snapdragon 888 (5 nm)	Google Tensor G4 (4 nm)
Processor
Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680	Octa-core 1x 3.1GHz Cortex-X4 + 3x 2.6GHz Cortex-A720 + 4x 1.92GHz Cortex-A520
GPU
Adreno 660	Mali-G715 MC7
RAM
8GB (LPDDR5)	16GB (LPDDR5)
Internal storage
128GB (UFS 3.0)	256GB (UFS 3.1)
Storage expansion
not expandable	not expandable
OS
Android (13, 12, 11), Samsung One UI	Android (15, 14)

Battery

Capacity
4000 mAh	4650 mAh
Type
Li - Polymer	Li - Ion
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
Charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 21.0W Wireless: 7.5W

PhoneArena Battery Tests

Battery Life Estimate

4h 28min

Browsing

7h 47min

Video

7h 36min

Gaming

7h 9min

Battery Life Estimate

5h 43min

Browsing

16h 25min

Video

5h 47min

Gaming

9h 20min

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	48 MP (OIS, PDAF) Sensor name: Sony IMX787 Aperture size: F1.7 Focal length: 25 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide, Autofocus) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	10.5 MP (Ultra-wide) Sensor name: Samsung S5K3LU Aperture size: F2.2 Sensor size: 1/3.4"
Third camera
64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0 Focal Length: 29 mm Sensor size: 1/1.7" Pixel size: 0.8 μm	10.8 MP (Telephoto) Sensor name: Samsung S5K3J1 Optical zoom: 5.0x Aperture size: F3.1 Focal Length: 112 mm Sensor size: 1/3.2"
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, Continuous autofocus, Video light, EIS	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (60 fps) OIS, HDR, Time-lapse video, 10-bit HDR
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)	10 MP Folded: 10 MP

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

139

Overall

149

Photo

129

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.0	5.3
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),Wi-Fi 6E,Wi-Fi 7 Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2	Type-C, USB 3.2
Hearing aid compatible
M3/T3	M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Dual-band positioning, Emergency SOS via satellite (SMS sending/receiving)
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
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
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation, Video recording

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave	Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n28, n29, n30, n38, n40, n41, n48, n66, n70, n71, n75, n77, n78, n79, n258, n260, n261, 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), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 21(1500 Upper), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 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+), 42(3500), 48(3600)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)
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 08, 2020 FCC ID value: A3LSMG991U
Measured SAR
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
$ 800	$ 1799
In The Box
C to C Data Cable, Ejection Pin	Phone, USB Type-C cable, SIM ejector tool, Papers

Availability

Officially announced
Jan 14, 2021

Alternative variants

with 256GB storage

Internal storage	256GB

With 512GB internal storage

Internal storage	512GB

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

Links

Full specifications
Samsung Galaxy S21 Specs	Google Pixel 9 Pro Fold Specs
PhoneArena Review
Samsung Galaxy S21 Review	Google Pixel 9 Pro Fold Review
User Reviews
Samsung Galaxy S21 User Reviews	Google Pixel 9 Pro Fold User Reviews