Samsung Galaxy A30s vs Samsung Galaxy A40

A spec-by-spec comparison of the Samsung Galaxy A30s and the Samsung Galaxy A40, taken from their full specification sheets. Green marks the better value in each measured row.

Samsung Galaxy A30s smartphone

Samsung Galaxy A30s

From $109
Full specs, price & review →
VS
Samsung Galaxy A40 smartphone

Samsung Galaxy A40

From $90
Full specs, price & review →

Head to head

Samsung Galaxy A30sSamsung Galaxy A40
Price$109$90
Our rating7/107/10
Battery4,000 mAh3,100 mAh
Wired charging15W15W
RAM (max)4 GB4 GB
Storage (max)128 GB64 GB
Screen size6.4 in5.9 in
Main camera25 MP16 MP
Weight (lower is lighter)169 g140 g
ReleasedAug 2019Apr 2019
Summary: Samsung Galaxy A30s is ahead on battery, storage (max), screen size, main camera. Samsung Galaxy A40 is ahead on weight (lower is lighter).
★ Which should you buy? Samsung Galaxy A30s is the stronger overall pick on the measured specs. If budget matters more than the extra capability, Samsung Galaxy A40 is the cheaper option.

Reviewed by the infozme.com Editorial Team — see how we research & rate phones.

Display

Samsung Galaxy A30sSamsung Galaxy A40
TypeSuper AMOLEDSuper AMOLED, Infinity-U
Size6.4 inches, 100.5 cm2 (~84.9% screen-to-body ratio)5.9 inches, 85.5 cm2 (~85.5% screen-to-body ratio)
Resolution720 x 1560 pixels, 19.5:9 ratio (~268 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~437 ppi density)

Platform

Samsung Galaxy A30sSamsung Galaxy A40
OSAndroid 9.0 (Pie), upgradable to Android 11, One UI 3.1Android 9.0 (Pie), upgradable to Android 11, One UI 3.1
ChipsetExynos 7904 (14 nm)Exynos 7904 (14 nm)
CPUOcta-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
GPUMali-G71 MP2Mali-G71 MP2

Memory

Samsung Galaxy A30sSamsung Galaxy A40
Card slotmicroSDXC (dedicated slot, up to 2TB)microSDXC (dedicated slot)
Internal32GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM64GB 4GB RAM

Main Camera

Samsung Galaxy A30sSamsung Galaxy A40
Triple25 MP, f/1.7, 27mm (wide), PDAF; 8 MP, f/2.2, 13mm (ultrawide); 5 MP, f/2.2, (depth)—
FeaturesLED flash, panorama, HDRLED flash, panorama, HDR
Video1080p@30fps1080p@30fps
Modules—16 MP, f/1.7, (wide), PDAF; 5 MP, f/2.2, 12mm (ultrawide)

Selfie Camera

Samsung Galaxy A30sSamsung Galaxy A40
Single16 MP, f/2.0, 26mm (wide)—
Video1080p@30fps1080p@30fps
Modules—25 MP, f/2.0

Battery

Samsung Galaxy A30sSamsung Galaxy A40
TypeLi-Po 4000 mAh, non-removableLi-Po 3100 mAh, non-removable
Charging15W wired15W wired

Body

Samsung Galaxy A30sSamsung Galaxy A40
Dimensions158.5 x 74.7 x 7.8 mm (6.24 x 2.94 x 0.31 in)144.4 x 69.2 x 7.9 mm (5.69 x 2.72 x 0.31 in)
Weight169 g (5.96 oz)140 g (4.94 oz)
SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)

Comms

Samsung Galaxy A30sSamsung Galaxy A40
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
GPSGPS, GLONASS, BDS, GALILEO—
NFCYes (market dependent)Yes
RadioFM radioFM radio
USBUSB Type-C 2.0USB Type-C 2.0
Positioning—GPS, GLONASS, BDS, GALILEO

Launch

Samsung Galaxy A30sSamsung Galaxy A40
AnnouncedAugust 20192019, March 19
StatusAvailable. Released 2019, August 22Available. Released 2019, April 10

Frequently asked questions

Which has the better battery, Samsung Galaxy A30s or Samsung Galaxy A40?

Samsung Galaxy A30s — 4,000 mAh for the Samsung Galaxy A30s versus 3,100 mAh for the Samsung Galaxy A40.

Which is lighter, Samsung Galaxy A30s or Samsung Galaxy A40?

Samsung Galaxy A40 — 169 g for the Samsung Galaxy A30s versus 140 g for the Samsung Galaxy A40.

Which is newer, Samsung Galaxy A30s or Samsung Galaxy A40?

Samsung Galaxy A30s — Aug 2019 for the Samsung Galaxy A30s versus Apr 2019 for the Samsung Galaxy A40.

Is the Samsung Galaxy A30s or the Samsung Galaxy A40 rated higher?

We rate the Samsung Galaxy A30s 7/10 and the Samsung Galaxy A40 7/10.

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