Samsung SCH-A645 vs vivo X Fold Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Samsung SCH-A645 vivo X Fold
1000 mAh
4600 mAh
160x128px
8.0-inch · 2160x1916px
Released · Apr 22, 2022
Quad camera
12GB · 256GB

Availability

Officially announced
Apr 11, 2022

Design

Dimensions
3.54 x 1.79 x 0.94 inches
90 x 45 x 24 mm
6.38 x 5.70 x 0.25 inches
162 x 144.9 x 6.3 mm
Folded
(162 x 74.5 x 14.6 mm)
Weight
3.20 oz (91.0 g) 10.97 oz (311.0 g)
Biometrics
Optical in-screen fingerprint
Features
Notification light, Numeric keypad, Soft keys
Keys
Left: Volume control; Right: Other Right: Volume control, Lock/Unlock key
Colors
Black, Blue

Display

Size
8.0-inch, 88.02% screen-to-body
Type
STN AMOLED, 120Hz, HDR
Resolution
160x128px 2160x1916px, 360 PPI
Features
Folding inside the device, HDR support, Ambient light sensor, Proximity sensor
Front cover display
6.5 inches
2520 x1080 px
AMOLED
Additional display
32 x96 px, STN

Hardware

System chip
Snapdragon 8 Gen 1 SM8450 (4 nm)
Processor
Octa-core
1x3.00GHz Cortex-X2
3x2.50G​Hz Cortex-A710
4x1.8​0GHz Cortex-A510
GPU
Adreno 730
Memory
12GB/256GB
12GB/512GB
Storage expansion
not expandable
OS
Android (12)

Battery

Type
1000 mAh, Li - Ion 4600 mAh
Charging
Fast charging
Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 66.0W
Wireless: 50.0W

Camera

Rear
Quad camera
Main camera
50 MP (OIS, Laser autofocus, PDAF)
Aperture size: F1.8
Pixel size: 1.0 μm
Second camera
48 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 14 mm
Third camera
12 MP (Telephoto)
Optical zoom: 2.0x
Aperture size: F2.0
Focal Length: 47 mm
Fourth camera
8 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 5.0x
Aperture size: F3.4
Flash
Dual LED
Video recording
Yes
Front
16 MP

Connectivity & Features

Bluetooth
5.2
WLAN
a,b,g,n,ac,Wi-Fi 6
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Yes Type-C
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Location
GPS GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
NFC

Multimedia

Headphones
2.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n66, n77, n78, n79, SA, NSA
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 66
3G Bands
1, 2, 4, 5, 6, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM

Regulatory Approval

FCC approval
Date approved: Mar 20, 2006
FCC ID value: A3LSCHA645
Measured SAR
Head: 1.22 W/kg
Measured in: 1900 MHz
Body: 0.57 W/kg
Measured in: 1900 MHz

Alternative variants

With 512GB internal storage
Memory 512GB
FCC OKs Cingular\'s purchase of AT&T Wireless