Samsung Galaxy M30 vs Samsung Galaxy M40

A spec-by-spec comparison of the Samsung Galaxy M30 and the Samsung Galaxy M40, taken from their full specification sheets. Green marks the better value in each measured row.

Head to head

Samsung Galaxy M30Samsung Galaxy M40
Our rating7/107/10
Battery5,000 mAh3,500 mAh
Wired charging15W15W
RAM (max)6 GB6 GB
Storage (max)128 GB128 GB
Screen size6.4 in6.3 in
Main camera13 MP32 MP
Weight (lower is lighter)174 g168 g
ReleasedMar 2019Jun 2019
Summary: Samsung Galaxy M30 is ahead on battery, screen size. Samsung Galaxy M40 is ahead on main camera, weight (lower is lighter).
★ Which should you buy? Samsung Galaxy M30 and Samsung Galaxy M40 are evenly matched — either is a safe buy.

Display

Samsung Galaxy M30Samsung Galaxy M40
TypeSuper AMOLEDPLS LCD, Infinity-O Display
Size6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)6.3 inches
Resolution1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Protection—Corning Gorilla Glass 3
Features—1200:1 contrast ratio, 480 Nits peak brightness

Platform

Samsung Galaxy M30Samsung Galaxy M40
OSAndroid 8.1 (Oreo), upgradable to Android 9.0 (Pie)Android 9.0 (Pie), upgradable to Android 11, One UI 3.1
ChipsetSamsung Exynos 7904 (14 nm)Qualcomm Snapdragon 675 (11 nm)
CPUOcta-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPUMali-G71 MP2Adreno 612

Memory

Samsung Galaxy M30Samsung Galaxy M40
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot)
Internal32GB 3GB RAM, 64GB 4GB RAM, 128GB 6GB RAM (eMMC 5.1)64GB 4GB RAM, 128GB 6GB RAM

Main Camera

Samsung Galaxy M30Samsung Galaxy M40
Triple13 MP, f/1.9, (wide), PDAF; 5 MP, f/2.2, 12mm (ultrawide); 5 MP, f/2.2, (depth)32 MP, f/1.7, 26mm (wide), PDAF; 8 MP, f/2.2, 12mm (ultrawide), 123˚; 5 MP, f/2.2, (depth)
FeaturesLED flash, panorama, HDRLED flash, panorama, HDR, AI scene optimizer, Live Focus
Video1080p@30fps4K@30fps, 1080p@30fps, slow motion, hyperlapse

Selfie Camera

Samsung Galaxy M30Samsung Galaxy M40
Single16 MP, f/2.0, 26mm (wide)16 MP, f/2.0
Video1080p@30fps1080p@30fps

Battery

Samsung Galaxy M30Samsung Galaxy M40
TypeLi-Po 5000 mAh, non-removableLi-Po 3500 mAh, non-removable
Charging15W wired (Fast charging)15W fast charging

Body

Samsung Galaxy M30Samsung Galaxy M40
Dimensions159 x 75.1 x 8.5 mm (6.26 x 2.96 x 0.33 in)155.3 x 73.9 x 7.9 mm
Weight174 g (6.14 oz)168 g
BuildGlass front, plastic back, plastic frameGlass front (Gorilla Glass 3), plastic back
SIM—Dual SIM (Nano-SIM, hybrid slot)

Comms

Samsung Galaxy M30Samsung Galaxy M40
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
PositioningGPS, GLONASS, BDSGPS, GLONASS, BDS
USBUSB Type-C 2.0USB Type-C 2.0, OTG

Launch

Samsung Galaxy M30Samsung Galaxy M40
AnnouncedFebruary 27, 20192019, June
StatusDiscontinuedAvailable. Released 2019, June

Frequently asked questions

Which has the better battery, Samsung Galaxy M30 or Samsung Galaxy M40?

Samsung Galaxy M30 — 5,000 mAh for the Samsung Galaxy M30 versus 3,500 mAh for the Samsung Galaxy M40.

Which is lighter, Samsung Galaxy M30 or Samsung Galaxy M40?

Samsung Galaxy M40 — 174 g for the Samsung Galaxy M30 versus 168 g for the Samsung Galaxy M40.

Which is newer, Samsung Galaxy M30 or Samsung Galaxy M40?

Samsung Galaxy M40 — Mar 2019 for the Samsung Galaxy M30 versus Jun 2019 for the Samsung Galaxy M40.

Is the Samsung Galaxy M30 or the Samsung Galaxy M40 rated higher?

We rate the Samsung Galaxy M30 7/10 and the Samsung Galaxy M40 7/10.

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