Samsung Galaxy S21 Ultra 5G vs vivo iQOO Neo 9

Compare Samsung Galaxy S21 Ultra 5G vs vivo iQOO Neo 9 side by side: Exynos 2100 / Snapdragon 888 5G (5 nm) vs Qualcomm Snapdragon 8 Gen 2, 5000mAh vs 5160mAh…

Samsung

iQOO Neo 9

$699

8categories won

1 categories tied · 13 scored in total · add a third phone

Information Gain

Which one wins?

MxMob Algorithmic Verdict

vivo iQOO Neo 9 takes the overall win

Overall Pick

The vivo iQOO Neo 9 proves superior overall against the Samsung Galaxy S21 Ultra 5G, outperforming on battery endurance and daily usability. In camera testing, the Galaxy S21 Ultra 5G leads with sharper imaging, while battery endurance leans towards the iQOO Neo 9. Choose the iQOO Neo 9 if you want the highest performance ceiling, or opt for the Galaxy S21 Ultra 5G if its specific hardware strengths better fit your budget.

🔋 BatteryiQOO Neo 9

iQOO Neo 9 takes battery honors offering 5,160 mAh alongside 120W charging.

🎮 GamingiQOO Neo 9

iQOO Neo 9 provides greater sustained gaming output with its Qualcomm Snapdragon 8 Gen 2.

📸 CameraGalaxy S21 Ultra 5G

Galaxy S21 Ultra 5G wins photography with 108MP main imaging and 10x dedicated optical zoom.

🏷️ ValueiQOO Neo 9

iQOO Neo 9 wins on budget and value at $699 compared to $1199.

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 Ultra 5G vs iQOO Neo 9: specifications compared

Display

Display comparison between the Samsung Galaxy S21 Ultra 5G, vivo iQOO Neo 9
Specification	Galaxy S21 Ultra 5G	iQOO Neo 9
Screen size	6.8"	6.78"
Resolution	1440 x 3200Winner	1260 x 2800
Pixel density	516 ppiWinner	453 ppi
Refresh rate	120 Hz	144 HzWinner
Peak brightness	1500 nits	1400 nits

Performance

Performance comparison between the Samsung Galaxy S21 Ultra 5G, vivo iQOO Neo 9
Specification	Galaxy S21 Ultra 5G	iQOO Neo 9
Chipset	Exynos 2100 / Snapdragon 888 5G (5 nm)	Qualcomm Snapdragon 8 Gen 2
Process node	5 nm	—
AnTuTu score	870,000	1,620,000Winner
Geekbench multi	3800	5440Winner
Maximum RAM	12 GB	—
Maximum storage	128GB	—

Camera

Camera comparison between the Samsung Galaxy S21 Ultra 5G, vivo iQOO Neo 9
Specification	Galaxy S21 Ultra 5G	iQOO Neo 9
Main sensor	108 MP	—
Rear cameras	4	—
Optical zoom	10x	—
Ultrawide	12 MP	—
Selfie camera	40 MPWinner	16 MP
Max video	8K at 24fps / 4K at 60fps all cameras	8K@30fps

Battery and charging

Battery and charging comparison between the Samsung Galaxy S21 Ultra 5G, vivo iQOO Neo 9
Specification	Galaxy S21 Ultra 5G	iQOO Neo 9
Capacity	5,000 mAh	5,160 mAhWinner
Wired charging	25 W	120 WWinner
Wireless charging	15 WWinner	No

Design

Design comparison between the Samsung Galaxy S21 Ultra 5G, vivo iQOO Neo 9
Specification	Galaxy S21 Ultra 5G	iQOO Neo 9
Weight	227 g	190 gWinner
Thickness	8.9 mm	8 mmWinner
Water resistance	IP68	IP54
Build	Aluminum frame, Gorilla Glass Victus front and back	—

Software and support

Software and support comparison between the Samsung Galaxy S21 Ultra 5G, vivo iQOO Neo 9
Specification	Galaxy S21 Ultra 5G	iQOO Neo 9
Operating system	Android 11	14
OS updates	4 years	—
Security updates	5 years	—

Connectivity and value

Connectivity and value comparison between the Samsung Galaxy S21 Ultra 5G, vivo iQOO Neo 9
Specification	Galaxy S21 Ultra 5G	iQOO Neo 9
5G	Yes	Yes
Wi-Fi	Wi-Fi 6E (802.11ax)	Wi-Fi 7 (802.11be)
Storage expansion	None	None
3.5mm jack	No	No
Launch price	$1,199	$699Winner