Samsung Galaxy S21 5G US Unlocked (SM-G991U1) vs Samsung Galaxy Z Fold4 5G US Unlocked (SM-F936U1)

Product Name
Samsung Galaxy S21 5G US Unlocked (SM-G991U1)
Samsung Galaxy Z Fold4 5G US Unlocked (SM-F936U1)
Product Image

Model Name
Galaxy S21 5G US Unlocked Galaxy Z Fold4 5G (US Unlocked)
Model Number
SM-G991U1 SM-F936U1
Device Type
Phone Foldable Phone
Colors
Phantom Gray, Phantom White, Phantom Violet, Phantom Pink Graygreen, Phantom Black, Beige, Burgundy
Announced
January, 2021 August, 2022
Released
January, 2021 August, 2022
User Guide

Download Samsung Galaxy S21 5G User Guide

Download Samsung Galaxy Z Fold4 5G User Guide
Samsung FRP Lock
Samsung Galaxy S21 5G FRP Lock Bypass Samsung Galaxy Z Fold4 5G FRP Lock Bypass

Dimensions
71.2 x 151.7 x 7.9mm Unfolded: 130.1 x 155.1 x 6.3mm / Folded: 67.1 x 155.1 x 15.8mm (Hinge) ~ 14.2mm (Sagging)
Weight
171g 263g
SIM Card
Single / Dual SIM Single / Dual SIM
SIM Card Size
Nano-SIM (4FF) Nano-SIM (4FF)
Ingress Protection Rating (IP Rate)
IP68 Dust / Water resistant (up to 1.5m for 30 mins) IPX8 Water Resistant (up to 1.5m for 30 mins)

Technology (Main Display)
Dynamic AMOLED 2X Foldable Dynamic AMOLED 2X
Technology (Sub Display)
Dynamic AMOLED 2X
Size (Main Display)
6.2 inches 7.6 inches
Size (Sub Display)
6.2 inches
Color Depth (Main Display)
16M Colors 16M Colors
Resolution (Main Display)
Flat FHD+ 2400 x 1080 Pixels QXGA+ 2176 x 1812 Pixels
Resolution (Sub Display)
HD+ 2316 x 904 Pixels
Pixel Density
421ppi Main Display: 374 PPI / Cover Display: 402 PPI
S Pen Support
Yes
More Display Features
Infinity-O Display, HDR10+ certified, Adaptive 120Hz refresh rate (48~120Hz), Eye Comfort Shield, Corning Gorilla Glass Victus, Always-on display. 120Hz Refresh Rate, Infinity Flex Display, Corning Gorilla Glass Victus+ Protection, HDR10+ certified

CPU Type
Qualcomm SM8350 Snapdragon 888 Qualcomm SM8475 Snapdragon 8+ Gen 1
CPU Speed
1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510
Cores
8 Cores (Octa-Core) 8 Cores (Octa-Core)
GPU
Adreno 660 Adreno 730

Built In Sensors
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

Audio Playing Format
MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, APE, DSF, DFF MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, APE, DSF, DFF
Video Playing Format
MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM
Video Recording Resolution
UHD 8K (7680 x 4320 Pixels) @24fps 8K video recording at 24 fps (4320 x 7680)
Video Playing Resolution
UHD 8K (7680 x 4320 Pixels) @60fps

Rear Camera
Triple Triple
Front Camera
Single Single
Rear Camera - Resolution
64MP Telephoto + 12MP Wide + 12MP Ultra Wide 50MP Wide + 12MP Ultra-Wide + 10MP Telephoto
Front Camera - Resolution
10MP 4MP Under Display Camera + 10MP Cover Camera
Rear Camera - Flash
Yes Yes
Front Camera - Flash
No No
Rear Camera - Auto Focus
Yes Yes
Front Camera - Auto Focus
Yes
Rear Camera - F Number
F2.0, F1.8, F2.2 F1.8, F2.2, F2.4
Front Camera - F Number
F2.2 F1.8, F2.2
Optical Image Stabilizer (OIS)
Yes (Rear Camera only) Yes
Camera Features
- 30X Space Zoom.
- Slow Motion: 960fps @HD, 240fps @FHD.
- Super Steady video.
- Panorama.
- Auto-HDR. - HDR.
- HDR10+.
- Panorama.
- Under Display Camera.
- 30 Scene Optimizer Modes.
- Super Slow-motion.
- Motion photo.
- Super Night Solution.
- iDCG (Intra-scene Dual Conversion Gain).
- High CRI LED Flash.
- Dual OIS.
- 3x Optical Zoom and 30x digital zoom with AI Super Resolution technology.

ANT+
Yes
USB Version
V3.2 V3.2
USB Interface
USB Type-C Type C
Earjack
No No
Bluetooth Version
Bluetooth v5.0 Bleutooth v5.2
Wi-Fi
802.11 a/b/g/n/ac/ax 2.4 G + 5 GHz, HE80, MIMO, 1024-QAM Wi-Fi 6E 802.11 a/b/g/n/ac/ax, HE160, MIMO, 1024-QAM
Wi-Fi Direct
Yes Yes
NFC
Yes Yes
Location Technology
GPS, Glonass, Beidou, Galileo GPS, Galileo, Glonass, BeiDou
Mobile High-Definition Link (MHL)
No
PC Sync
Samsung Smart Switch Samsung Smart Switch

More Features
- 5G Support.
- Samsung Pay.
- Wireless: Smart View (screen mirroring 1080p at 30 fps).
- Wired: supports DisplayPort over USB type-C. Supports video out when connecting via HDMI Adapter. (DisplayPort 4K UHD at 60 fps)(DisplayPort 4K UHD at 60 fps).
- Fast charging 25W.
- USB Power Delivery 3.0.
- Fast Qi/PMA wireless charging 15W.
- Reverse wireless charging 4.5W. - 5G Networks Support.
- Armor Aluminum Frame.
- IPX8 Water Resistance.
- Under Display Camera.
- Bixby.
- Samsung Pay.
- Samsung Knox, Samsung Knox Vault.
- Fast charging 25W.
- Fast wireless charging 15W.
- Reverse wireless charging 4.5W.
- Wireless PowerShare.
- Fast wireless charging 2.0.

Disclaimer Notice:
These specifications and features are collected from Samsung official websites and world trusted sources. But even thus We can not guarantee that the information on this page is 100% correct. So If any particular specification is vital to you, we always recommend checking with the phone seller before buying the wanted device. These specifications and features are collected from Samsung official websites and world trusted sources. But even thus We can not guarantee that the information on this page is 100% correct. So If any particular specification is vital to you, we always recommend checking with the phone seller before buying the wanted device.