Samsung Galaxy Z Fold 4 vs Asus ROG Phone 9 Specs Comparison

Display

Size
7.6-inch	6.8-inch
Resolution
2176 x 1812 px, 6:5 ratio, 373 PPI	2400 x 1080 px, 20:9 ratio, 388 PPI
Technology
Dynamic AMOLED	OLED
Refresh rate
120Hz	185Hz
Screen-to-body
90.79 %	88.31 %
Peak brightness
1200 cd/m2 (nit)	2500 cd/m2 (nit)
Features
Folding inside the device, HDR support, Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor
Front cover display
6.2 inches 2316 x904 px Dynamic AMOLED 120Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity senso

Hardware

System chip
Qualcomm Snapdragon 8+ Gen 1 SM8475 (4 nm)	Snapdragon 8 Elite SM8750-AB (3 nm)
Processor
Octa-core, 1x 3.19GHz Cortex-X2 + 3x 2.75GHz Cortex-A710 + 4x 1.80GHz Cortex-A510	Octa-core, 2x 4.32GHz Prime cores + 6x 3.53GHz Performance core
GPU
Adreno 670	Adreno 830
RAM
12GB (LPDDR5)	12GB (LPDDR5X)
Internal storage
256GB (UFS 3.1), not expandable	256GB (UFS 4.0)
OS
Android (14, 13, 12)	Android (15)
Device type
Smartphone	Smartphone

Battery

Capacity
4400 mAh	5800 mAh
Type
Li - Polymer, Not user replaceable	Not user replaceable
Charging
Fast charging, Qi wireless charging, Reverse wired charging	Fast charging, Qi wireless charging, Reverse wired charging
Max charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 65.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

5h 44min

Browsing

12h 43min

Video

8h 47min

Gaming

7h 31min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Triple camera	Triple camera
Main camera
50 MP (OIS, PDAF) Specifications: Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.56" Pixel size: 1.0 μm	50 MP (OIS, PDAF) Specifications: Sensor size: 1/1.56"
Second camera
10 MP (Telephoto, OIS, PDAF) Specifications: Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 66 mm Sensor size: 1/3.94" Pixel size: 1.0 μm	13 MP (Ultra-wide)
Third camera
12 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/3.06" Pixel size: 1.12 μm	5 MP (Macro)
Flash
LED	LED
Video recording
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)
Front
4 MP (Under-screen) Folded: 10 MP	32 MP, Video capture: 1920x1080 (Full HD)

PhoneArena Camera Tests

135

Overall

144

Photo

127

Video

N/A

Overall

N/A

Photo

N/A

Video

Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
6.11 x 5.12 x 0.25 inches (155.1 x 130.1 x 6.3 mm)	6.45 x 3.02 x 0.35 inches (163.8 x 76.8 x 8.9 mm)
Folded
6.1062992 x2.64 x0.62 inches (155.1 x 67.1 x 15.8 mm)
Weight
9.28 oz(263.0 g)	8.01 oz(227.0 g)
Materials
Back: Glass Frame: Aluminum	Back: Glass Frame: Aluminum
Resistance
Water; IPX8	Water, Dust; IP68
Biometrics
Fingerprint (touch)	Optical in-screen fingerprint
Features
	Dedicated game buttons
Keys
Right: Volume control, Lock/Unlock key
Colors
Graygreen, Phantom Black, Beidge

Cellular

5G
Bands n2, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, n258, n260, n261	Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n29, n38, n40, n41, n48, n66, n71, n77, n78, n79, SA, NSA, Sub-6
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46	Bands 34(2000), 38(2600), 39(1900+), 41(2600+), 42(3500), 48(3600)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM + eSIM	Dual Nano SIM

Multimedia

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

Connectivity & Features

Bluetooth
5.2	5.3
Wi-Fi
802.11 a,b,g,n,ac,ax(Wi-Fi 6) Wi-Fi Direct, Hotspot	802.11 b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 7,Wi-Fi 6E Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 3.2, Features: Charging, OTG	Type-C (reversible), Features: Charging, OTG
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass
Other
NFC	NFC

Regulatory Approval

FCC approval
Date approved: Apr 18, 2023 FCC ID value: A3LSMF936U
Measured SAR
Head: 0.96 W/kg Body: 0.63 W/kg Simultaneous Transmission: 0.92 W/kg Wireless Router: 0.84 W/kg

Buyers information

MSRP
$ 1799	$ 999 / € 1099

Availability

Officially announced
Aug 10, 2022

Alternative variants

With 512GB internal storage

Internal storage	512GB

With 512GB internal storage

Internal storage	512GB
MSRP	€ 1149

With 1TB internal storage

Internal storage	1024GB

Links

Full specifications
Samsung Galaxy Z Fold 4 Specs	Asus ROG Phone 9 Specs
PhoneArena Review
Samsung Galaxy Z Fold 4 Review
User Reviews
Samsung Galaxy Z Fold 4 User Reviews