Compare Samsung Galaxy S21 Ultra vs Samsung Galaxy Z Fold 3
Variants
International
USA / China
Cover Screen
Main Screen
Connectivity
Ports
USB-C 3.2
USB-C 3.2
Wireless Connectivity
WiFi 6, Bluetooth 5, NFC
WiFi 6E + Bluetooth 5.2 + NFC
Construction
Battery | Capacity
5000 mAh
4400 mAh
Camera | Front
40MP Phase Detection AF, FOV 80°, F2.2, 0.7 µm
4MP Under display camera: F1.8, Pixel size: 2.0μm, FOV: 80˚ + 10MP Selfie Camera : F2.2, Pixel size: 1.22μm, FOV: 80˚
Camera | Rear | Telephoto
10MP Dual Pixel AF, Optical 10x, FOV 10°,OIS, F4.9, 1.22µm + 10MP Dual Pixel AF, Optical 3x, FOV 35°,OIS, F2.4, 1.22µm
12MP Telephoto Camera: PDAF, F2.4, OIS, Pixel size: 1.0μm, FOV: 45˚
Camera | Rear | Ultra-Wide
12MP Dual Pixel AF, FOV 120°, F2.2, 1.4µm
12MP Ultra Wide Camera: F2.2, Pixel size: 1.12μm, FOV: 123˚
Camera | Rear | Wide
108MP Phase Detection AF, FOV 83°, OIS, F1.8, 0.8µm
12MP Wide-angle Camera: Dual Pixel AF, OIS, F1.8, Pixel size: 1.8μm, FOV: 83˚
Colors
Phantom Black, Phantom Silver, Phantom Violet, Phantom Pink, Phantom Gold, Phantom Red
Phantom Black, Phantom Green, Phantom Silver
Material
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass), aluminum frame
Glass front (Gorilla Glass Victus) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus), aluminum frame
Speakers
Stereo speakers
Dimensions
Size | Depth
8.9 mm
6.4 mm Unfolded / 16.0 mm Folded
Size | Height
161.5 mm
158.2 mm
Size | Width
75.6 mm
128.1 mm Unfolded / 67.1 mm Folded
Weight
227 g
271 g
Display
Aspect Ratio
20:9
Brightness
900 nits (1200 nits peak)
Display Diagonal
6.8 inch
7.6 inch
Display Type
Dynamic AMOLED 2X (OLED)
Dynamic AMOLED 2X Display Infinity Flex Display
Pixel Density
515 ppi
374 ppi
Refresh Rate
120 Hz
120 Hz
Resolution
QHD+, 3200x1440
QXGA+ 2208 x 1768
Function
Audio
UHQ 32-bit &DSD64/128 support; PCM: Up to 32 bits, DSD: DSD64/128
Dolby Atmos, Dolby Digital, Dolby Digital Plus
Chipset
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
Fast Charging
USB PD 3.0 (PPS) certified Fast Charging
25W Fast charging
GPS
GPS, Galileo, Glonass, BeiDou, A-GPS
Graphics
Adreno 660
HDR
HDR10+ certified
Operating System
Android 11
Android 11, One UI 3.5
Processor
Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680)
SIM
Single or dual Nano SIM, 5G
2x Nano SIM + eSIM 5G
Security
Ultrasonic Fingerprint, Face recognition
Knox, virus & malware prevention, secure folder
Sensor
Ultrasonic Fingerprint sensor, Accelerometer, Barometer, Gyro sensor, Geomagnetic sensor, Hall sensor Proximity sensor, Ambient Light Sensor
Capacitive Fingerprint sensor (side), Accelerometer, Barometer, Gyro sensor, Geomagnetic sensor, Hall sensor, Proximity sensor, Light sensor
Variable Framerate
10~120Hz
Weather Resistance
IP68
IPX8
Wireless Charging
Fast Wireless Charging 2.0
10W Fast Wireless Charging + 4.5W Reverse Wireless Charging
Performance
Memory | Capacity
12 or 16 GB
12GB RAM
Memory | Type
LPDDR5
Storage
128, 256, or 512 GB UFS 3.X
256 or 512GB UFS3.1
Production
Accessory
Digitizer: S Pen, sold separately
Debut
2021-01-14 (Galaxy Unpacked 2021)
2021-08-11
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