AT&T 8525 vs Samsung Galaxy Z Fold4

AT&T 8525

Samsung Galaxy Z Fold4

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

HSDPA 850, 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

-

LTE frequency band 1, 3, 4, 5, 8, 12, 13, 17, 20, 25, 38, 39, 40, 41
5G network

-

5G band 1, 3, 5, 20, 41, 77, 78 SA/NSA/Sub6/mmWave
HSDPA speed

HSDPA, 1.8 Mbps

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

-

LTE-A (7CA), Cat20, 2000 Mbps download, 200 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Glass front (Gorilla Glass Victus+) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum frame
SIM

Mini-SIM

Up to two Nano SIM and one eSIM
Height

113 mm

155.1 mm
Width

58 mm

67.1 mm
Thickness

22 mm

14.2-15.8 mm
Height unfolded

-

155.1 mm
Width unfolded

-

130.1 mm
Thickness unfolded

-

6.3 mm
Weight

176 g

263 g
Keyboard

QWERTY

-
Stylus

-

Yes
Payment

-

Samsung Pay (Visa, MasterCard certified)
Waterproof

-

IPX8, 1.5m and 30 minutes
Colors

Black, Silver

Black, Beige, Burgundy, Graygreen

Main camera
Camera type

-

Triple
Main camera

2 MP

50 MP, (wide) , f/1.8 , 24 mm, 1.0 µm
(telephoto) , 10 MP, f/2.4 , 67 mm, 1.0 µm, 3x optical zoom
123˚ , (ultrawide) , 12 MP, f/2.2 , 12 mm, 1.12 µm
Primary camera resolution

1600 x 1200 pixels

8190 x 6144 pixels
Primary camera video

video

4K@60fps, 1080p@60/240fps (gyro-EIS), 720p@960fps (gyro-EIS), HDR10+
Primary camera flash

LED flash

LED flash
Camera features

-

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
Cover camera

10 MP, 26 mm, f/2.2 , 1.22 µm, 1/3"

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

1.1

Type-C 3.2
USB On-The-Go

-

Yes
Bluetooth

v2.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD
Infrared

Yes

-
NFC

-

Yes
GPS

No

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes

Features
Messaging SMS

SMS

-
Messaging MMS

MMS

-
Messaging Instant Messaging

Instant Messaging

-
Messaging Email

Email

-
WAP

WAP 2.0/xHTML

-
Java

Yes

-
Java MIDP

MIDP 2.0

-
Sensors

-

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity