Samsung Galaxy S25 Slim vs Samsung Galaxy Z Fold 9

Compare Samsung Galaxy S25 Slim vs Samsung Galaxy Z Fold 9 side by side: Qualcomm Snapdragon 8 Elite for Galaxy vs Qualcomm Snapdragon 8 Elite Gen 2 for…

Samsung

Galaxy Z Fold 9

$1,999

13categories won

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

Information Gain

Which one wins?

MxMob Algorithmic Verdict

Samsung Galaxy Z Fold 9 takes the overall win

Overall Pick

The Samsung Galaxy Z Fold 9 proves superior overall against the Samsung Galaxy S25 Slim, outperforming on gaming and photography. In camera testing, the Galaxy Z Fold 9 leads with superior optics, while battery endurance leans towards the Galaxy Z Fold 9. Choose the Galaxy Z Fold 9 if you want the highest performance ceiling, or opt for the Galaxy S25 Slim if its lower retail price better fit your budget.

🔋 BatteryGalaxy Z Fold 9

Galaxy Z Fold 9 takes battery honors offering 5,000 mAh alongside 65W charging.

🎮 GamingGalaxy Z Fold 9

Galaxy Z Fold 9 provides greater sustained gaming output with its Qualcomm Snapdragon 8 Elite Gen 2 for Galaxy and 24GB RAM.

📸 CameraGalaxy Z Fold 9

Galaxy Z Fold 9 takes photography with 200MP optics and 5x optical telephoto capabilities.

🏷️ ValueGalaxy S25 Slim

Galaxy S25 Slim provides a sharper value proposition, coming in at $999 vs $1999.

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 9: specifications compared

Display

Display comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 9
Specification	Galaxy S25 Slim	Galaxy Z Fold 9
Screen size	6.66"	7.9"
Resolution	1440 x 3120Winner	2160 x 1856
Pixel density	516 ppiWinner	360 ppi
Refresh rate	120 Hz	120 Hz
Peak brightness	3000 nits	3200 nitsWinner

Performance

Performance comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 9
Specification	Galaxy S25 Slim	Galaxy Z Fold 9
Chipset	Qualcomm Snapdragon 8 Elite for Galaxy	Qualcomm Snapdragon 8 Elite Gen 2 for Galaxy
Process node	3 nm	2 nmWinner
AnTuTu score	2,400,000	3,200,000Winner
Geekbench multi	8900	10800Winner
Maximum RAM	16 GB	24 GBWinner
Maximum storage	512GB	2TBWinner

Camera

Camera comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 9
Specification	Galaxy S25 Slim	Galaxy Z Fold 9
Main sensor	50 MP	200 MPWinner
Rear cameras	2	3Winner
Optical zoom	—	5x
Ultrawide	12 MP	50 MPWinner
Selfie camera	16 MP	16 MP
Max video	8K at 30fps / 4K at 120fps	8K at 30fps / 4K at 120fps

Battery and charging

Battery and charging comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 9
Specification	Galaxy S25 Slim	Galaxy Z Fold 9
Capacity	4,400 mAh	5,000 mAhWinner
Wired charging	45 W	65 WWinner
Wireless charging	15 W	25 WWinner

Design

Design comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 9
Specification	Galaxy S25 Slim	Galaxy Z Fold 9
Weight	168 gWinner	215 g
Thickness	6.6 mm	4.9 mmWinner
Water resistance	IP68	IP68
Build	Grade 5 Titanium frame, Gorilla Glass Armor 2 front, matte glass back	Grade 5 Titanium frame, Ceramic Glass front and back

Software and support

Software and support comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 9
Specification	Galaxy S25 Slim	Galaxy Z Fold 9
Operating system	Android 15	Android 17
OS updates	7 years	7 years
Security updates	7 years	7 years

Connectivity and value

Connectivity and value comparison between the Samsung Galaxy S25 Slim, Samsung Galaxy Z Fold 9
Specification	Galaxy S25 Slim	Galaxy Z Fold 9
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	$1,999