Samsung Galaxy M15 5G vs Samsung Galaxy S27 Ultra

Compare Samsung Galaxy M15 5G vs Samsung Galaxy S27 Ultra side by side: MediaTek Dimensity 6100+ vs Qualcomm Snapdragon 8 Elite Gen 2 for Galaxy, 6000mAh vs…

Samsung

Galaxy S27 Ultra

$1,399

10categories won

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

Information Gain

Which one wins?

MxMob Algorithmic Verdict

Samsung Galaxy S27 Ultra takes the overall win

Overall Pick

The Samsung Galaxy S27 Ultra proves superior overall against the Samsung Galaxy M15 5G, outperforming on gaming and photography. In camera testing, the Galaxy S27 Ultra leads with superior optics, while battery endurance leans towards the Galaxy S27 Ultra. Choose the Galaxy S27 Ultra if you want the highest performance ceiling, or opt for the Galaxy M15 5G if its lower retail price better fit your budget.

🔋 BatteryGalaxy S27 Ultra

Galaxy S27 Ultra takes battery honors offering 5,500 mAh alongside 65W charging.

🎮 GamingGalaxy S27 Ultra

Galaxy S27 Ultra provides greater sustained gaming output with its Qualcomm Snapdragon 8 Elite Gen 2 for Galaxy and 24GB RAM.

📸 CameraGalaxy S27 Ultra

Galaxy S27 Ultra takes photography with 200MP optics and 3x optical telephoto capabilities.

🏷️ ValueGalaxy M15 5G

Galaxy M15 5G provides a sharper value proposition, coming in at $699 vs $1399.

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 M15 5G vs Galaxy S27 Ultra: specifications compared

Display

Display comparison between the Samsung Galaxy M15 5G, Samsung Galaxy S27 Ultra
Specification	Galaxy M15 5G	Galaxy S27 Ultra
Screen size	6.5"	6.9"
Resolution	1080 x 2340	1440 x 3120Winner
Pixel density	396 ppi	498 ppiWinner
Refresh rate	90 Hz	120 HzWinner
Peak brightness	800 nits	3500 nitsWinner

Performance

Performance comparison between the Samsung Galaxy M15 5G, Samsung Galaxy S27 Ultra
Specification	Galaxy M15 5G	Galaxy S27 Ultra
Chipset	MediaTek Dimensity 6100+	Qualcomm Snapdragon 8 Elite Gen 2 for Galaxy
Process node	—	2 nm
AnTuTu score	412,000	3,200,000Winner
Geekbench multi	1920	10800Winner
Maximum RAM	—	24 GB
Maximum storage	—	2TB

Camera

Camera comparison between the Samsung Galaxy M15 5G, Samsung Galaxy S27 Ultra
Specification	Galaxy M15 5G	Galaxy S27 Ultra
Main sensor	—	200 MP
Rear cameras	—	4
Optical zoom	—	3x
Ultrawide	—	50 MP
Selfie camera	13 MP	16 MPWinner
Max video	1080p@30fps	8K at 30fps / 4K at 120fps

Battery and charging

Battery and charging comparison between the Samsung Galaxy M15 5G, Samsung Galaxy S27 Ultra
Specification	Galaxy M15 5G	Galaxy S27 Ultra
Capacity	6,000 mAhWinner	5,500 mAh
Wired charging	25 W	65 WWinner
Wireless charging	No	25 WWinner

Design

Design comparison between the Samsung Galaxy M15 5G, Samsung Galaxy S27 Ultra
Specification	Galaxy M15 5G	Galaxy S27 Ultra
Weight	217 g	218 g
Thickness	9.3 mm	8.2 mmWinner
Water resistance	IP52	IP68
Build	—	Grade 5 Titanium frame, Ceramic Glass front and back

Software and support

Software and support comparison between the Samsung Galaxy M15 5G, Samsung Galaxy S27 Ultra
Specification	Galaxy M15 5G	Galaxy S27 Ultra
Operating system	14	Android 17
OS updates	—	7 years
Security updates	—	7 years

Connectivity and value

Connectivity and value comparison between the Samsung Galaxy M15 5G, Samsung Galaxy S27 Ultra
Specification	Galaxy M15 5G	Galaxy S27 Ultra
5G	Yes	Yes
Wi-Fi	Wi-Fi 5 (802.11ac)	Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth)
Storage expansion	microSD	None
3.5mm jack	No	No
Launch price	$699Winner	$1,399