Samsung Galaxy S21 5G vs Samsung Galaxy Z Fold 6

Compare Samsung Galaxy S21 5G vs Samsung Galaxy Z Fold 6 side by side: Exynos 2100 / Snapdragon 888 5G (5 nm) vs Qualcomm Snapdragon 8 Gen 3 for Galaxy, 12MP…

Samsung

Galaxy Z Fold 6

$1,899

11categories won

7 categories tied · 22 scored in total · add a third phone

Information Gain

Which one wins?

MxMob Algorithmic Verdict

Samsung Galaxy Z Fold 6 takes the overall win

Overall Pick

The Samsung Galaxy Z Fold 6 proves superior overall against the Samsung Galaxy S21 5G, outperforming on gaming and photography. In camera testing, the Galaxy Z Fold 6 leads with superior optics, while battery endurance leans towards the Galaxy Z Fold 6. Choose the Galaxy Z Fold 6 if you want the highest performance ceiling, or opt for the Galaxy S21 5G if its lower retail price better fit your budget.

🔋 BatteryGalaxy Z Fold 6

Galaxy Z Fold 6 takes battery honors offering 4,400 mAh alongside 25W charging.

🎮 GamingGalaxy Z Fold 6

Galaxy Z Fold 6 provides greater sustained gaming output with its Qualcomm Snapdragon 8 Gen 3 for Galaxy and 12GB RAM.

📸 CameraGalaxy Z Fold 6

Galaxy Z Fold 6 takes photography with 50MP optics and 3x optical telephoto capabilities.

🏷️ ValueGalaxy S21 5G

Galaxy S21 5G provides a sharper value proposition, coming in at $799 vs $1899.

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 S21 5G vs Galaxy Z Fold 6: specifications compared

Display

Display comparison between the Samsung Galaxy S21 5G, Samsung Galaxy Z Fold 6
Specification	Galaxy S21 5G	Galaxy Z Fold 6
Screen size	6.2"	7.6"
Resolution	1080 x 2400	1856 x 2160Winner
Pixel density	424 ppiWinner	374 ppi
Refresh rate	120 Hz	120 Hz
Peak brightness	1300 nits	2600 nitsWinner

Performance

Performance comparison between the Samsung Galaxy S21 5G, Samsung Galaxy Z Fold 6
Specification	Galaxy S21 5G	Galaxy Z Fold 6
Chipset	Exynos 2100 / Snapdragon 888 5G (5 nm)	Qualcomm Snapdragon 8 Gen 3 for Galaxy
Process node	5 nm	4 nmWinner
AnTuTu score	820,000	1,780,000Winner
Geekbench multi	3720	6980Winner
Maximum RAM	8 GB	12 GBWinner
Maximum storage	128GB	1TBWinner

Camera

Camera comparison between the Samsung Galaxy S21 5G, Samsung Galaxy Z Fold 6
Specification	Galaxy S21 5G	Galaxy Z Fold 6
Main sensor	12 MP	50 MPWinner
Rear cameras	3	3
Optical zoom	3x	3x
Ultrawide	12 MP	12 MP
Selfie camera	10 MP	10 MP
Max video	8K at 24fps / 4K at 60fps	8K at 30fps / 4K at 60/120fps

Battery and charging

Battery and charging comparison between the Samsung Galaxy S21 5G, Samsung Galaxy Z Fold 6
Specification	Galaxy S21 5G	Galaxy Z Fold 6
Capacity	4,000 mAh	4,400 mAhWinner
Wired charging	25 W	25 W
Wireless charging	15 W	15 W

Design

Design comparison between the Samsung Galaxy S21 5G, Samsung Galaxy Z Fold 6
Specification	Galaxy S21 5G	Galaxy Z Fold 6
Weight	169 gWinner	239 g
Thickness	7.9 mmWinner	12.1 mm
Water resistance	IP68	IP48
Build	Aluminum frame, glastic back, Gorilla Glass Victus front	Enhanced Armor Aluminum frame, Corning Gorilla Glass Victus 2 front and back, Ultra Thin Glass interior

Software and support

Software and support comparison between the Samsung Galaxy S21 5G, Samsung Galaxy Z Fold 6
Specification	Galaxy S21 5G	Galaxy Z Fold 6
Operating system	Android 11	Android 14 (One UI 6.1.1, upgradable to Android 15)
OS updates	4 years	7 yearsWinner
Security updates	5 years	7 yearsWinner

Connectivity and value

Connectivity and value comparison between the Samsung Galaxy S21 5G, Samsung Galaxy Z Fold 6
Specification	Galaxy S21 5G	Galaxy Z Fold 6
5G	Yes	Yes
Wi-Fi	Wi-Fi 6 (802.11ax)	Wi-Fi 6E/7 (802.11be/ax, tri-band 2.4/5/6GHz, HE160)
Storage expansion	None	None
3.5mm jack	No	No
Launch price	$799Winner	$1,899