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SM-W2021 W21 5G Dual SIM TD-LTE CN 512GB

SM-W2021 W21 5G Dual SIM TD-LTE CN 512GB

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Overview & Features

Brand
Samsung
Brief
Chinese dual SIM ultra wideband variant of Galaxy Z Fold2 high-end foldable device with dual AMOLED display panels, an octa-core Qualcomm Snapdragon SoC, 12 GiB RAM and 512 GB UFS 3.1 ROM and 4390 mAh battery pack
Model
SM-W2021 W21 5G Dual SIM TD-LTE CN 512GB
OEM ID
W2021ZDDCHC
Codename
Samsung Top
Released
2020 Nov 21
Announced
2020 Nov 5
Manufacturer
Samsung Electronics
General Extras
Haptic touch feedback
Foldable screen
Hardware Designer
Samsung Electronics
List of Additional Features
folded: 68.0 x 159.2 x 16.8mm, unfolded: 128.2 x 159.2 x 6.9mm, HDR10+ support, Infinity Flex Display, 720p 960 fps slow-motion video capture

Technical Specifications

Display

Pixel Size
0.0658 mm/pixel
Resolution
816x2260
1844160 pixels
Display Area
7984.1 square millimeter
Display Type
Color AM-OLED
display
Display Width
53.69 mm
Pixel Density
386 PPI
Display Height
148.7 mm
Display Module
Samsung
Display Subtype
Super AM-OLED
Display Diagonal
158.1 mm
Display Color Depth
24 bit/pixel
Display Illumination
Self-illuminating
Display Refresh Rate
120 Hz
Secondary Display Area
18117.4 square millimeter
Secondary Display Type
Color AM-OLED
2nd display
Display Subpixel Scheme
Yes
Display Area Utilization
73.8%
Number of Display Scales
16.8M
Scratch Resistant Screen
Corning Gorilla Glass 6
Secondary Display Module
Samsung
Secondary Display Subtype
Dynamic AM-OLED
Secondary Display Diagonal
192.7 mm
Secondary Number of pixels
3903744 pixels
Display Dynamic Range Depth
10 bit/pixel
Horizontal Full Bezel Width
14.31 mm
Scratch Resistant Sec. Screen
Corning Gorilla Glass 6
Secondary Display Pixel Size
0.06813 mm/pixel
Secondary Display Resolution
1768x2208
Display Light Reflection Mode
Yes
Secondary Display Color Depth
24 bit/pixel
Secondary Display Illumination
Self-illuminating
Secondary Vertical Display Size
5.92 inches
Secondary Display Dyn. Range Depth
10 bit/pixel
Secondary Display Subpixel Scheme
Yes
Secondary Horizontal Display Size
4.74 inch
Secondary Display Light Reflection Mode
Yes
Secondary Number of Display Colors/Scales
16.8M
Secondary Display Pixel Density (dot pitch)
373 PPI

Power Supply

Battery
Lithium-ion polymer (LiPo)
built-in
Talk Time
35.0 hours
Wireless Charging
PMA wireless charging
Qi wireless charging
Estimated Battery Life
11.0 hours
Nominal Battery Energy
16.90 Wh
Average Current Talking
125 mA
Nominal Battery Voltage
3.85 Volts
Nominal Battery Capacity
4390 mAh battery
Battery Cells in Parallel
Yes
2-cell
Estimated Average Current
399 mA
Max. Wireless Charging Power
11.0 W
Nominal Cell Voltage (1st cell)
3.85 Volts
Nominal Cell Capacity (1st cell)
2195 mAh cell
Nominal Cell Capacity (2nd cell)
2195 mAh cell
Nominal Battery Voltage (2nd cell)
3.85 Volts

Sound Playing

Audio Output
USB Type-C
Loudspeaker(s)
stereo
D/A Holding Frequency
384000 Hz
D/A Converter Nominal Resolution
32 bit quantization

Cellular Phone

SIM Card Slot
Nano-SIM (4FF)
Call Alert Sound
128-chord melody
Cellular Antenna
Internal antenna
Cellular Controller
Qualcomm SM8250
Supported Cellular Bands
GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
UMTS 2100MHz (Band I, IMT)
UMTS 1900MHz (Band II, PCS)
UMTS 850MHz (Band V, CLR)
UMTS 900MHz (Band VIII)
LTE 2100 MHz (Band 1)
LTE 1900 MHz (Band 2, PCS)
LTE 1800 MHz (Band 3)
LTE 1700/2100 MHz (Band 4, AWS)
LTE 850 MHz (Band 5)
LTE 2600 MHz (Band 7)
LTE 900 MHz (Band 8)
LTE 700 MHz (Band 12)
LTE 700 MHz (Band 13)
LTE 800 MHz (Band 18)
LTE 800 MHz (Band 19)
LTE 800 MHz (Band 20)
LTE 1900 MHz (Band 25)
LTE 850 MHz (Band 26)
LTE 700 MHz (Band 28)
TD-LTE 2000 MHz (Band XXXIV)
TD-LTE 2600 MHz (Band 38)
TD-LTE 1900 MHz (Band 39)
TD-LTE 2300 MHz (Band XL)
TD-LTE 2500 MHz (Band XLI)
NR 2100 MHz (N1)
NR 700 MHz (N28)
TD-NR 2500 MHz (N41)
TD-NR 3500 MHz (N78)
TD-NR 4700 MHz (N79)
bands
Complementary Phone Services
Voice transmission
Voice speaker
Vibrating Alert
Speakerphone
ANC
HD Voice
Voice over LTE (VoLTE)
Video over LTE (ViLTE)
Hearing Aid Compatibility (HAC)
M4
T3
Supported Cellular Data Links
GPRS (Class unspecified)
GPRS Class 12
EDGE (Class unspecified)
EDGE Multi-slot Class 12
UMTS 384 kbps (W-CDMA)
HSUPA (Cat. unspecified)
HSUPA 5.76 Mbps (Cat. 6)
HSDPA (Cat. unspecified)
HSDPA 14.4 Mbps (Cat. 10)
HSPA+ 21.1 Mbps (Cat. 18)
DC-HSDPA 42.2 Mbps (Cat. 24)
LTE (Cat. unspecified)
LTE 100 Mbps / 50 Mbps (Cat. 3)
LTE 150 Mbps / 50 Mbps (Cat. 4)
LTE 300 Mbps / 50 Mbps (Cat. 6)
LTE 300 Mbps / 75 Mbps (Cat. 5)
LTE 300 Mbps / 100 Mbps (Cat. 7)
LTE 400 Mbps / 150 Mbps (LTE Cat. 13)
LTE 450 Mbps / 50 Mbps (LTE Cat. 9)
LTE 450 Mbps / 100 Mbps (LTE Cat. 10)
LTE 600 Mbps / 50 Mbps (LTE Cat. 11)
LTE 600 Mbps / 100 Mbps (LTE Cat. 12)
LTE 1 Gbps / 100 Mbps (LTE Cat. 16)
LTE 1.2 Gbps / 200 Mbps (LTE Cat. 18)
LTE 1.4 Gbps / 300 Mbps (LTE Cat. 21)
LTE 2 Gbps / 300 Mbps (LTE Cat. 20)
NR 1.5 Gbps
NR 2.6 Gbps
NR 3.7 Gbps
data links

Audio Subsystem

Audio Channel(s)
stereo

Sound Recording

Microphone(s)
stereo

Auxiliary Camera

Aux. Camera Aperture (W)
f/2.20
Aux. Camera Image Sensor
BSI CMOS
Aux. Camera Extra Functions
HDR photo
HDR video
Burst mode
Face detection
Face tagging
Smile detection
Face retouch
Intelligent scene detection
Aux. Camera Number of Pixels
12.2 MP aux. cam
Aux. Cam. Min. Equiv. Focal Length
12 mm
Aux. Cam. Image Sensor Pixel Size
1.12 micrometer

Built-in Sensors

Built-in compass
3D (3-axis)
compass
Additional sensors
Barometer
Fingerprint sensor
Hall sensor
Light intensity sensor
Proximity sensor
Step counter
Built-in gyroscope
3D (3-axis)
gyro
Built-in accelerometer
3D (3-axis)
accelerometer

Operative Memory

RAM Type
LPDDR5 SDRAM
2750 MHz
RAM Capacity
12288 MiB RAM

Ingress Protection

Protection from liquids
Yes
Protection from solid materials
Yes

Control Peripherals

Touchscreen Type
Capacitive multi-touch sensing
screen
Touchscreen Simultaneous Touch Points
10-point

Graphical Subsystem

GPU Clock
670 MHz
Graphical Controller
Qualcomm Adreno 650

Non-volatile Memory

Non-volatile Memory Type
Flash EEPROM
Non-volatile Memory Capacity
488281 MiB non-volatile
466430 MiB free user storage
Non-volatile Memory Interface
UFS 3.1

Physical Attributes

Mass
282 g
Depth
16.8 mm
Width
68 mm
Height
159.2 mm
Typical depth
13.9 mm
Bounding Volume
181.9 ccm

Multimedia Broadcast

FM Radio Receiver
No

Satellite Navigation

GPS Antenna
Internal antenna
Navigation Controller
Qualcomm SM8250
Supported GPS protocol(s)
GPS (NMEA 0183)
Complementary GPS Services
Simultaneous GPS (S-GPS)
Assisted GPS
Geotagging
QuickGPS
QZSS
Supported Galileo service(s)
E1
Supported BeiDou system (BDS)
B1I
BeiDou receiver
Supported GLONASS protocol(s)
L1OF

Software Environment

Platform
Google Android
Software Extras
Voice Command
Business card recognition
Navigation software
Augmented Reality (AR)
Virtual Reality (VR) support
Intelligent personal assistant
Voice Recognition
Face Recognition
Operating System
Google Android 10 (Q)
One UI 2.5

Audio/Video Interfaces

A/V Out
DisplayPort (Unspecified)
USB Type-C reversible
A/V Out Max. Resolution
3840x2160 (2160p) 4K UHD

Auxiliary Camera No. 2

Aux. 2 Camera Focus
Phase-Detection Autofocus (PD AF)
Aux. 2 Camera Aperture (W)
f/2.40
Aux. 2 Camera Image Sensor
BSI CMOS
Aux. 2 Camera Extra Functions
Video Stabilizer (EIS) , Optical Image Stabilization (OIS)
HDR photo
Burst mode , Panorama Photo , Intelligent scene detection
Aux. 2 Camera Number of Pixels
12.2 MP aux. 2 cam
Aux. 2 Cam. Min. Equiv. Focal Length
52 mm
Aux. 2 Cam. Image Sensor Pixel Size
1.00 micrometer

Auxiliary Camera No. 3

Aux. 3 Camera Image Sensor
No

Auxiliary Camera No. 4

Aux. 4 Camera Focus
No
Aux. 4 Camera Image Sensor
No

Primary Camera System

Zoom
2.0 x optical zoom
10.0 x digital zoom
Flash
single LED
Focus
Phase-Detection Autofocus (PD AF)
Aperture (W)
f/1.80
Video Recording
3840x2160 pixel
60 fps
Camera Placement
Rear
Camera Resolution
4032x3024 pixel
Camera Image Sensor
BSI CMOS
Camera Extra Functions
Electronic Image Stabilizer (EIS)
Video Stabilizer (EIS)
Optical Image Stabilization (OIS)
Video Stabilizer (OIS)
HDR photo
HDR video
Red-eye effect reduction
Slow motion video
Burst mode
Refocus
Touch focus
Macro mode
Panorama Photo
Face detection
Face tagging
Smile detection
Face retouch
Face retouch (video)
Intelligent scene detection
Min. Equiv. Focal Length
26 mm
Image Sensor Pixel Size
1.80 micrometer
Recordable Image Formats
JPG
Recordable Video Formats
3GP , 3G2 , HEVC
Number of effective pixels
12.2 MP camera

Geographical Attributes

Price
19999
Chinese Yuan
Market Regions
Asia
Market Countries
China

Secondary Camera System

Secondary Aperture (W)
f/2.20
Secondary Camera Sensor
BSI CMOS
Secondary Video Recording
1920x1080 pixel
Secondary Camera Placement
Front
Secondary Camera Resolution
3648x2736 pixel
Secondary Camera Extra Functions
HDR photo
HDR video
Slow motion video
Burst mode
Touch focus
Panorama Photo
Face detection
Face tagging
Smile detection
Face retouch
Face retouch (video)
Intelligent scene detection
Secondary Min. Equiv. Focal Length
26 mm
Secondary Camera Number of pixels
10.0 MP sec. cam
Secondary Image Sensor Pixel Size
1.22 micrometer
Secondary Recordable Image Formats
JPG
Secondary Recordable Video Formats
3GP , 3G2 , HEVC

Communication Interfaces

NFC
NFC A
NFC B
USB
USB 3.1 (USB 3.2 Gen 2)
USB Hi-Speed (480 Mbps)
USB SuperSpeed (5 Gbps)
Bluetooth
Bluetooth 5.0
Internal antenna
USB Services
USB charging
USB fast charging
USB Host
USB On-The-Go 1.3
USB On-The-Go 2.0
USB Power Delivery
USB Power Delivery 2.0
USB Power Delivery 3.0
Wireless LAN
IEEE 802.11a
IEEE 802.11b
IEEE 802.11i
IEEE 802.11g
IEEE 802.11n
IEEE 802.11r
IEEE 802.11ac
IEEE 802.11ax (Wi-Fi 6)
Internal antenna
USB Connector
USB Type-C reversible
Wireless Services
DLNA
Miracast
Wi-Fi Direct
Wi-Fi Tethering
Wi-Fi Calling (VoWiFi)
Bluetooth profiles
A2DP
A2DP with aptX codec
A2DP with aptX HD codec
AVRCP
DIP
GAVDP
HFP
HID
HSP
MAP
OPP
PAN
PBA
Max. Charging Power
25.0 W
Expansion Interfaces
No

Secondary Cellular Phone

Sec. SIM Card Slot
Nano-SIM (4FF)
Internal antenna
Sec. Phone Controller IC
Qualcomm SM8250
Dual Cellular Network Operation
Dual standby
Sec. Supported Cellular Networks
GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
UMTS 2100MHz (Band I, IMT)
UMTS 1900MHz (Band II, PCS)
UMTS 850MHz (Band V, CLR)
UMTS 900MHz (Band VIII)
LTE 2100 MHz (Band 1)
LTE 1900 MHz (Band 2, PCS)
LTE 1800 MHz (Band 3)
LTE 1700/2100 MHz (Band 4, AWS)
LTE 850 MHz (Band 5)
LTE 2600 MHz (Band 7)
LTE 900 MHz (Band 8)
LTE 700 MHz (Band 12)
LTE 700 MHz (Band 13)
LTE 800 MHz (Band 18)
LTE 800 MHz (Band 19)
LTE 800 MHz (Band 20)
LTE 1900 MHz (Band 25)
LTE 850 MHz (Band 26)
LTE 700 MHz (Band 28)
TD-LTE 2000 MHz (Band XXXIV)
TD-LTE 2600 MHz (Band 38)
TD-LTE 1900 MHz (Band 39)
TD-LTE 2300 MHz (Band XL)
TD-LTE 2500 MHz (Band XLI)
Sec. Supported Cellular Data Links
GPRS Class 10 , GPRS Class 12 , EDGE (Class unspecified)
EDGE Multi-slot Class 12 , UMTS 384 kbps (W-CDMA)
HSUPA (Cat. unspecified)
HSUPA 5.76 Mbps (Cat. 6) , HSDPA (Cat. unspecified)
HSDPA 14.4 Mbps (Cat. 10) , HSPA+ 21.1 Mbps (Cat. 18) , DC-HSDPA 42.2 Mbps (Cat. 24)
LTE (Cat. unspecified)
LTE 100 Mbps / 50 Mbps (Cat. 3)
LTE 150 Mbps / 50 Mbps (Cat. 4)
LTE 300 Mbps / 50 Mbps (Cat. 6)
LTE 300 Mbps / 75 Mbps (Cat. 5)
LTE 300 Mbps / 100 Mbps (Cat. 7)
LTE 400 Mbps / 150 Mbps (LTE Cat. 13)
LTE 450 Mbps / 50 Mbps (LTE Cat. 9)
LTE 450 Mbps / 100 Mbps (LTE Cat. 10)
LTE 600 Mbps / 50 Mbps (LTE Cat. 11)
LTE 600 Mbps / 100 Mbps (LTE Cat. 12)
LTE 1 Gbps / 100 Mbps (LTE Cat. 16)
LTE 1.2 Gbps / 200 Mbps (LTE Cat. 18)
LTE 1.4 Gbps / 300 Mbps (LTE Cat. 21)

Secondary Auxiliary Camera

Sec. Aux. Cam. Aperture (W)
f/2.20
Sec. Aux. Cam. Image Sensor
BSI CMOS
Sec. Aux. Camera Number of Pixels
10.0 MP sec. aux. camera
Sec. Aux. Image Sensor Pixel Size
1.22 micrometer

Application processor, Chipset

CPU
Qualcomm Snapdragon 865+ 5G SM8250-AB (Kona), 2020, 64 bit, octa-core, 32 Kbyte I-Cache, 32 Kbyte D-Cache, 2304 Kbyte L2, 4096 Kbyte L3, 7 nm, Qualcomm Adreno 650 GPU
CPU Clock
3091 MHz

Secondary Auxiliary Camera No. 2

Sec. Aux. 2 Cam. Image Sensor
No

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