Samsung Galaxy S25 Slim vs Samsung Galaxy Z Fold 4

Compare Samsung Galaxy S25 Slim vs Samsung Galaxy Z Fold 4 side by side: Qualcomm Snapdragon 8 Elite for Galaxy vs Qualcomm Snapdragon 8+ Gen 1 (4 nm), 50MP…

Samsung

Galaxy Z Fold 4

$1,799

4categories won

5 categories tied · 21 scored in total · add a third phone

Information Gain

Which one wins?

MxMob Algorithmic Verdict

Samsung Galaxy Z Fold 4 takes the overall win

Overall Pick

The Samsung Galaxy Z Fold 4 proves superior overall against the Samsung Galaxy S25 Slim, outperforming on gaming and photography. For battery longevity and charging speed, the Galaxy S25 Slim takes the lead, while the Galaxy Z Fold 4 is the clear choice for demanding 3D gaming and heavy multitasking. Choose the Galaxy Z Fold 4 if you want the highest performance ceiling, or opt for the Galaxy S25 Slim if its lower retail price better fit your budget.

🔋 BatteryGalaxy S25 Slim

Galaxy S25 Slim wins on endurance with 4,400 mAh and 45W fast charging.

🎮 GamingGalaxy Z Fold 4

Galaxy Z Fold 4 provides greater sustained gaming output with its Qualcomm Snapdragon 8+ Gen 1 (4 nm) and 12GB RAM.

📸 CameraGalaxy Z Fold 4

Galaxy Z Fold 4 takes photography with 50MP optics and 3x optical telephoto capabilities.

🏷️ ValueGalaxy S25 Slim

Galaxy S25 Slim provides a sharper value proposition, coming in at $999 vs $1799.

Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.

Galaxy S25 Slim vs Galaxy Z Fold 4: specifications compared

Display

Display comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 4
Specification	Galaxy S25 Slim	Galaxy Z Fold 4
Screen size	6.66"	7.6"
Resolution	1440 x 3120Winner	1812 x 2176
Pixel density	516 ppiWinner	373 ppi
Refresh rate	120 Hz	120 Hz
Peak brightness	3000 nitsWinner	1200 nits

Performance

Performance comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 4
Specification	Galaxy S25 Slim	Galaxy Z Fold 4
Chipset	Qualcomm Snapdragon 8 Elite for Galaxy	Qualcomm Snapdragon 8+ Gen 1 (4 nm)
Process node	3 nmWinner	4 nm
AnTuTu score	2,400,000	3,200,000Winner
Geekbench multi	8900	10800Winner
Maximum RAM	16 GBWinner	12 GB
Maximum storage	512GB	1TBWinner

Camera

Camera comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 4
Specification	Galaxy S25 Slim	Galaxy Z Fold 4
Main sensor	50 MP	50 MP
Rear cameras	2	3Winner
Optical zoom	—	3x
Ultrawide	12 MP	12 MP
Selfie camera	16 MPWinner	4 MP
Max video	8K at 30fps / 4K at 120fps	8K at 24fps

Battery and charging

Battery and charging comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 4
Specification	Galaxy S25 Slim	Galaxy Z Fold 4
Capacity	4,400 mAh	4,400 mAh
Wired charging	45 WWinner	25 W
Wireless charging	15 W	15 W

Design

Design comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 4
Specification	Galaxy S25 Slim	Galaxy Z Fold 4
Weight	168 gWinner	263 g
Thickness	6.6 mmWinner	14.2 mm
Water resistance	IP68	IPX8
Build	Grade 5 Titanium frame, Gorilla Glass Armor 2 front, matte glass back	Armor Aluminum frame, Gorilla Glass Victus+ front and back, Ultra Thin Glass inner screen

Software and support

Software and support comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 4
Specification	Galaxy S25 Slim	Galaxy Z Fold 4
Operating system	Android 15	Android 12L, upgradable to Android 15 (One UI 7)
OS updates	7 yearsWinner	4 years
Security updates	7 yearsWinner	4 years

Connectivity and value

Connectivity and value comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 4
Specification	Galaxy S25 Slim	Galaxy Z Fold 4
5G	Yes	Yes
Wi-Fi	Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth)	Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth)
Storage expansion	None	None
3.5mm jack	No	No
Launch price	$999Winner	$1,799