Samsung Galaxy M30s vs Xiaomi Mi A3

A spec-by-spec comparison of the Samsung Galaxy M30s and the Xiaomi Mi A3, taken from their full specification sheets. Green marks the better value in each measured row.

Samsung Galaxy M30s smartphone

Samsung Galaxy M30s

From $150
Full specs, price & review →
VS
Xiaomi Mi A3 smartphone

Xiaomi Mi A3

From $879
Full specs, price & review →

Head to head

Samsung Galaxy M30sXiaomi Mi A3
Price$150$879
Our rating8/106/10
Battery6,000 mAh4,030 mAh
Wired charging15W18W
RAM (max)6 GB6 GB
Storage (max)128 GB128 GB
Screen size6.4 in6.08 in
Main camera48 MP48 MP
Weight (lower is lighter)188 g—
ReleasedSep 2019Jul 2019
Summary: Samsung Galaxy M30s is ahead on our rating, battery, screen size. Xiaomi Mi A3 is ahead on wired charging.
★ Which should you buy? Samsung Galaxy M30s is the stronger overall pick on the measured specs.

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

Display

Samsung Galaxy M30sXiaomi Mi A3
TypeSuper AMOLED, 420 nits (peak)Super AMOLED
Size6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio)6.08 inches
Resolution1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)720 x 1560 pixels, 19.5:9 ratio (~282 ppi density)
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 5
Features—Dot Drop display

Platform

Samsung Galaxy M30sXiaomi Mi A3
OSAndroid 9.0 (Pie), upgradable to Android 11, One UI 3.0Android 9.0 (Pie), upgradable to Android 11, Android One
ChipsetExynos 9611 (10nm)Qualcomm Snapdragon 665 (11 nm)
CPUOcta-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPUMali-G72 MP3Adreno 610

Memory

Samsung Galaxy M30sXiaomi Mi A3
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot)
Internal64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM (eMMC 5.1)64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM

Main Camera

Samsung Galaxy M30sXiaomi Mi A3
Triple48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF; 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm; 5 MP, f/2.2, (depth)48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF (Sony IMX586 sensor); 8 MP, f/2.2, 13mm (ultrawide), 1/4", 1.12µm; 2 MP, f/2.4, (depth)
FeaturesLED flash, panorama, HDRLED flash, HDR, panorama
Video4K@30fps, 1080p@30fps, gyro-EIS4K@30fps, 1080p@30/60/120fps, EIS

Selfie Camera

Samsung Galaxy M30sXiaomi Mi A3
Single16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video1080p@30fps1080p@30fps
Features—HDR, panorama

Battery

Samsung Galaxy M30sXiaomi Mi A3
TypeLi-Po 6000 mAh, non-removableLi-Po 4030 mAh, non-removable
Charging15W wired18W fast charging (10W charger in box)

Body

Samsung Galaxy M30sXiaomi Mi A3
Dimensions159 x 75.1 x 8.9 mm153.5 x 71.9 x 8.5 mm
Weight188 g173.8 g
BuildGlass front (Gorilla Glass 3), plastic back, plastic frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)

Comms

Samsung Galaxy M30sXiaomi Mi A3
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, aptX HD
PositioningGPS, GLONASS, BDS, GALILEOGPS, GLONASS, BDS
NFCNoNo
RadioFM radioFM radio
USBUSB Type-C 2.0, OTGUSB Type-C 2.0

Launch

Samsung Galaxy M30sXiaomi Mi A3
Announced2019, September 182019, July
StatusAvailable. Released 2019, September 18Available. Released 2019, July 24

Frequently asked questions

Which has the better battery, Samsung Galaxy M30s or Xiaomi Mi A3?

Samsung Galaxy M30s — 6,000 mAh for the Samsung Galaxy M30s versus 4,030 mAh for the Xiaomi Mi A3.

Which is newer, Samsung Galaxy M30s or Xiaomi Mi A3?

Samsung Galaxy M30s — Sep 2019 for the Samsung Galaxy M30s versus Jul 2019 for the Xiaomi Mi A3.

Is the Samsung Galaxy M30s or the Xiaomi Mi A3 rated higher?

We rate the Samsung Galaxy M30s 8/10 and the Xiaomi Mi A3 6/10.

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