samsung
Samsung Galaxy Z Tri Fold
Model:SM-D639B, SM-D639B/DS, SM-D639U, SM-D639U1, SM-D639N, SM-D6390Sim Type:Dual Sim, GSM+GSM
Pros
Cons
General
Model
SM-D639B, SM-D639B/DS, SM-D639U, SM-D639U1, SM-D639N, SM-D6390
Sim Type
Dual Sim, GSM+GSM
Dual Sim
Yes
Sim Size
(Nano-SIM + Nano-SIM), (eSIM + eSIM) (max 2 at a time)
Device Type
Smartphone
eSIM Support
Yes
Release Date
December 02, 2025
Weight
309 g
Type
Color LTPO AMOLED Screen (1B Colors)
Touch
Yes
Bezel less
No
Colors
Crafted Black
Size
10 inches, 1584 x 2160 pixels, 120 Hz
Aspect Ratio
4:3
PPI
~ 269 PPI
RAM
16 GB
Screen to Body Ratio
~ 89.6%
Storage
512 GB
Notch
Yes, Punch Hole
GPRS
Yes
HDR Support
Yes
EDGE
Yes
3G
Yes
Adaptive Refresh Rate
Yes, LTPO
Brightness
1600 nits (peak)
4G
Yes
VoLTE
Yes, Dual Stand-By
Foldable Display
Yes
Wifi
Yes, with wifi-hotspot
Bluetooth
Yes, v5.4, A2DP, LE
Dual Display
Yes, LTPO OLED, 6.5 inches, 1080 x 2520 pixels, Dynamic LTPO AMOLED 2X, 120Hz, HDR, 2600 nits (peak), Corning Gorilla Glass Ceramic 2
5G
Yes
USB
Yes, USB-C
USB Features
USB on-the-go, USB Charging
Face Unlock
Yes
GPS
Yes, with tri-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC
Fingerprint Sensor
Yes, Side
Sensors
Accelerometer, Gyro, Proximity, Compass, Barometer
3.5mm Headphone Jack
No
Features
Tri-foldable Dynamic LTPO AMOLED 2X, 120Hz, HDR
Extra Features
Samsung Knox with Samsung Knox Vault, Dimensions Folded (HxWxD) 159.2 x 75.0 x 12.9 mm, Dimensions Unfolded (HxWxD) 159.2 x 214.1 x 3.9 mm (screen with the SIM tray) / 4.2 mm (center screen) / 4.0 mm (screen with the side button)**
Rear Camera
200 MP Æ’/1.7 (Wide Angle)
24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS
10 MP Æ’/2.4 (Telephoto)
67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom
12 MP Æ’/2.2 (Ultra Wide)
13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF
Video Recording
4K @ 60 fps UHD, 8K @ 30 fps UHD, 1080p @ 60 fps FHD
Vo5G
Yes
Auto Focus
Yes
Camera Features
HDR, Panorama
Flash
Yes, LED
NFC
Yes
Front Camera
10 MP Æ’/2.2 (Ultra Wide)
Cover Camera:
10 MP Æ’/2.2 (Wide Angle)
Punch Hole
OS
Android v16
Chipset
Qualcomm Snapdragon 8 Elite
CPU
4.32 GHz, Octa Core Processor
Browser
Yes
Core Details
2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz
GPU
Adreno 830 (1200 MHz)
IP Rating
IP48
Java
No
IR Blaster
Yes
Email
Yes
OIS
Yes
Music
Yes
Water Resistance
Yes, 1 m upto 30 min
Video
Yes
Custom UI
One UI 8
FM Radio
No
Front Video Recording
4K @ 30 fps UHD, 1080p @ 30 fps FHD
Document Reader
Yes
Battery Type
Non-Removable Battery
Battery Size
5600 mAh
Dust Resistant
Yes
Fast Charging
Yes, 45W Fast Charging
Reverse Charging
Yes
Wireless Charging
Yes, 15W
Reverse Wireless Charging
Yes