• 7.6" (2176x1812) AMOLED
  • 12GB
    Snapdragon 8 SoC
    256GB/512GB/1024GB Storage
  • 50-MP, f/1.8, OIS Rear: 3 Cameras
  • 4400 mAh W-Charge
  • 6.8" (3200x1440) AMOLED
  • 12GB/16GB
    Snapdragon 888 SoC
    128GB/256GB/512GB Storage
  • 108-MP, f/1.8 Rear: 4 Cameras
  • 5000 mAh W-Charge

Specifications Highlights
Product NameGalaxy Z Fold 4Galaxy S21 Ultra (SD888)
ProductGalaxy Z Fold 4 (2022), Price: 1799 USDGalaxy S21 Ultra (SD888) (2021), Price: 1199 USD at Amazon
Display7.6" 2176x1812 AMOLED , HDR10+6.8" 3200x1440 AMOLED
Rear Camera(s)
  • 23mm 50-MP f/1.8 (Primary) +OIS
  • 15mm 13-MP f/2.2
  • 62mm 10-MP f/2.4 +OIS
  • 24mm 108-MP f/1.8 (Primary)
  • 13mm 12-MP f/2.2
  • 72mm 10-MP f/2.4
  • 240mm 10-MP f/4.9
Selfie Camera(s)
  • 25mm 10-MP f/2.2
  • 30mm 4-MP f/1.8
  • 40-MP f/2.2
Computing
  • Snapdragon 8 SoC
  • 12GB RAM
  • 256GB/512GB/1024GB Storage
  • Snapdragon 888 SoC
  • 12GB/16GB RAM
  • 128GB/256GB/512GB Storage
Battery4400 mAh, Wireless Charging, 5000 mAh, Wireless Charging,
DesignIPx8, 263g (9.3oz), 130.1x155.1x6.3 mm (5.12 x 6.11 x 0.25 inches)IP68, 229g (8.1oz), 75.6x165.1x8.9 mm (2.98 x 6.50 x 0.35 inches)
Price (Market)$1799$1199
Price at Launch$1799$1199.99
Advertising
Display
Product NameGalaxy Z Fold 4Galaxy S21 Ultra (SD888)
TypeAMOLEDAMOLED
Diagonal (inches)7.6"6.8"
Display/Body Ratio90.8%89.4%
Resolution2176x18123200x1440
Sharpness (PPI)373 PPI516 PPI
Brightness (specs)1600 NITs
Display Glass TypeGorilla GlassGorilla Glass
Features
  • Multitouch
  • Glossy
  • HDR
  • HDR10+
  • Multitouch
  • Glossy
  • Always-On
  • HDR
Color Depth24 bit (16,777,216 Colors)24 bit (16,777,216 Colors)
Primary Camera
Product NameGalaxy Z Fold 4Galaxy S21 Ultra (SD888)
Megapixel50-MP108-MP
Aperturef/1.8f/1.8
Focal Length (35mm) 23mm24mm
Sensor SizeLargeEnormous
Autofocus Features
  • Phase Detection
  • Dual-Pixel Phase Detection
  • Phase Detection
  • Laser-Assisted
Hardware Features
  • OIS
  • Quad Bayer
  • Autofocus
  • Nona Bayer
Video Resolutions
  • 4320p/24fps
Short-Zoom Camera
Product NameGalaxy Z Fold 4Galaxy S21 Ultra (SD888)
Megapixel10-MP10-MP
Aperturef/2.4f/2.4
Focal Length (35mm) 62mm72mm
Sensor SizeVery smallSmall
Autofocus Features
  • Phase Detection
  • Dual-Pixel Phase Detection
Hardware Features
  • OIS
Long-Zoom Camera
Product NameGalaxy S21 Ultra (SD888)
Megapixel10-MP
Aperturef/4.9
Focal Length (35mm) 240mm
Sensor SizeSmall
Autofocus Features
  • Dual-Pixel Phase Detection
Ultrawide Camera
Product NameGalaxy Z Fold 4Galaxy S21 Ultra (SD888)
Megapixel13-MP12-MP
Aperturef/2.2f/2.2
Focal Length (35mm) 15mm13mm
Sensor SizeSmallSmall
Autofocus Features
  • Phase Detection
Battery
Product NameGalaxy Z Fold 4Galaxy S21 Ultra (SD888)
Battery TypeLi-PolyLi-Poly
Battery Capacity (mAh)4400 mAh5000 mAh
Battery Features
  • Wireless Charging Integrated
  • Fast Charge
  • Non-Removable
  • Qi
  • PMA
  • Wireless Charging Integrated
  • Fast Charge
  • Non-Removable
  • Qi
  • PMA
  • Wireless Reverse Charging
  • USB PD
Computing
Product NameGalaxy Z Fold 4Galaxy S21 Ultra (SD888)
Processor BrandQualcommQualcomm
Processor NameSnapdragon 8Snapdragon 888
Processor # Cores88
Main Processor Frequency (GHz)3.19 GHz2.84 GHz
RAM Options12GB12GB/16GB
Internal Storage Options256GB/512GB/1024GB128GB/256GB/512GB
Operating System + VersionAndroid 12Android 11
Communications
Product NameGalaxy Z Fold 4Galaxy S21 Ultra (SD888)
LTE Category (Download)LTE CAT20 2.0 Gbps/316 Mbps
LTE Bands1, 12, 13, 17, 20, 25, 3, 38, 39, 4, 40, 41, 5, 81, 12, 13, 17, 2, 20, 28, 3, 34, 38, 39, 4, 40, 41, 5, 7, 8
Modem Features
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • 5G NSA
  • 5G SA
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • 5G NSA
  • 5G SA
WiFi Speed
  • a
  • b
  • g
  • n
  • ac
  • a
  • b
  • g
  • n
  • ac
WiFi Features
  • Dual-band
  • Hotspot
  • WiFi Direct
  • Dual-band
  • Hotspot
  • WiFi Direct
Bluetooth VersionBluetooth 5.2Bluetooth 5.2
Bluetooth Features
  • A2DP
  • AVRCP
  • DIP
  • HFP
  • HID
  • HSP
  • BT LE
  • MAP
  • OPP
  • PAN
  • PBAP/PAB
  • A2DP
  • AVRCP
  • DIP
  • HFP
  • HID
  • HSP
  • BT LE
  • MAP
  • OPP
  • PAN
  • PBAP/PAB
NFC Features
  • NFC Supported
  • NFC Supported
Connector TypeUSB Type CUSB Type C
Connector Features
  • USB 3.1
  • USB OTG
  • USB OTG
SAR US Head0.77 W/Kg
SAR US Body1.02 W/Kg
SAR EU Head0.714 W/Kg
SAR EU Body1.58 W/Kg
Sim Card 0
Product NameGalaxy Z Fold 4Galaxy S21 Ultra (SD888)
NameSIM0SIM0
SIM TypeNano SIMNano SIM
Sim Card 1
Product NameGalaxy Z Fold 4Galaxy S21 Ultra (SD888)
NameSIM0
Multimedia
Product NameGalaxy Z Fold 4Galaxy S21 Ultra (SD888)
Audio Features
  • Loudspeaker
  • FM Radio
  • Loudspeaker
  • FM Radio
Audio Formats
  • AAC
  • 3GA
  • AMR
  • RA
  • FLAC
  • M4A
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WAV
  • AWB
  • XMF
  • MXMF
  • IMY
  • RTTTL
  • OTA
  • DSF
  • AAC
  • 3GA
  • AMR
  • RA
  • FLAC
  • M4A
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
  • AWB
  • XMF
  • MXMF
  • IMY
  • RTTTL
  • OTA
  • DSF
Video Formats
  • MPEG-4
  • MP4
  • MPEG-4
  • MP4
Sensors
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Barometer
  • Fingerprint
  • Heart Rate
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Galileo
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Barometer
  • Fingerprint
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Galileo

Samsung Galaxy Z Fold 4 vs. Samsung Galaxy S21 Ultra (SD888) Specs & Speed Benchmarks

Geekbench 5 Single

Higher is better

Geekbench 5 Multi

Higher is better

GFXBench Manhattan (Offscr.)

Higher is better

GFXBench Manhattan 3.1 (Offscr.)

Higher is better

GFXBench T-Rex (Offscr.)

Higher is better

Battery Capacity (mAh)

Higher is better

Battery Charge Speed (mAh/mn)

Higher is better