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Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) vs Xiaomi Mi A3 (128GB)

Side by side comparison between Samsung Galaxy M31 vs Xiaomi Mi A3 phones, differences, pros, cons and full specifications. What's the better?

,
Compare Xiaomi Mi A3 X Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) 11Points
6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

Octa-core

6000
mAh

(Non removable)

vs
05Points Xiaomi Mi A3 (128GB) Compare Samsung Galaxy M31 X
6.088"
AMOLED

720x1560

48
MP

32mp

4GB
RAM

Octa-core

4030
mAh

(Non removable)

What's the better phone? Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Galaxy M31 (SM-M315F/DS 128GB/6GB)} 11 Advantages Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) vs Mi A3 (128GB)} 5 Advantages Xiaomi Mi A3 (128GB)
+2.3GHz 64bit Octa-core (10nm)3%
More powerful processor, you can open your applications faster
vs2GHz 64bit Octa-core (11nm)
+6GB LPDDR4X50%
More RAM memory. Typically more responsive and better for multitasking.
vs4GB LPDDR4X
+1080x2340 pixels125%
Higher resolution screen
vs720x1560 pixels
+403 PPI43%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs282 PPI
+6.4"5%
Larger screen
vs6.088"
+(quad camera) 64MP + 8MP + 5MP + 5MP41%
Higher resolution main camera
vs(triple camera) 48MP + 8MP + 2MP
+1/1.72" inches16%
The larger sensor camera lets you take photos with better depth.
vs1/2" inches
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+(4G LTE-A) 600 Mbps33%
Faster for surfing the internet and download files
vs(4G LTE-A) 450 Mbps
+6000 mAh49%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4030 mAh
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
191 grams (6.69 ounces)vs+174 grams (6.09 ounces)10%
Lighter
8.9 millimeters (0.35 inches)vs+8.5 millimeters (0.33 inches)5%
Thinner
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
Not supportedvs+Proximity sensorAdvantage
Sensors help you use the device
15Wvs+18W20%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.

33 Common items in both devices
128GB (108GB available) / 128GB (109GB available)
UFS 2.1
Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC
Super AMOLED
60Hz
16 million
LED flash
+26 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
ModelGalaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
Other model namesGalaxy M315F/Dual-Sim (128GB + 6GB RAM)Xiaomi Mi A3 (Android One), M1906F9SH, M1906F9SI
Country or region available(Latin America)(Global, International)PhilippinesIndiaIndonesiaMalaysia
(Latin America), (Global, International), Philippines, India, Indonesia, Malaysia
(Global, International)
(Global, International)
BrandSamsungXiaomi
Release date3/5/2020, Announced: 2/25/20207/24/2019, Announced: 7/17/2019
Depth8.9 millimeters (0.35 inches)8.5 millimeters (0.33 inches)
Size (width x height)75.1 x 159.2 millimeters (2.96 x 6.27 in)71.85 x 153.48 millimeters (2.83 x 6.04 in)
Weight191 grams (6.69 ounces)174 grams (6.09 ounces)
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedNot supported

📲 Display

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
Display typeSuper AMOLEDSuper AMOLED
Screen size6.4" inches6.088" inches
Screen-to-body ratio~84.1% (screen-to-body ratio)~82.5% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)720x1560 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)403 PPI282 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 5
Refresh rate60Hz60Hz
Display features420nits[peak]Not supported

🤖 Operating System

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
System versionAndroid 10Android 9.0 Pie
Firmware updateAndroid 11Android 11
User Interfacefeature not registeredAndroid One

⚙️ Processor

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
Chipset64bit: Samsung Exynos 9611 (10nm)64bit: Qualcomm Snapdragon 665 (SM6125) (11nm)
CPUOcta-core, 2 processors:
4x 2.3GHz ARM Cortex-A73 (Quad-core)
4x 1.7GHz ARM Cortex-A53 (Quad-core)
Octa-core, 2 processors:
4x 2GHz Kryo 260 Gold (Quad-core)
4x 1.8GHz Kryo 260 Silver (Quad-core)
GPU graphical controllerARM Mali-G72 MP3 (850MHz)Qualcomm Adreno 610
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
RAM memory6GB LPDDR4X4GB LPDDR4X
Internal storage128GB (108GB available)
UFS 2.1
128GB (109GB available)
UFS 2.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload600/150 Mbps450/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat9 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+

📷 Camera

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
Back camera (main camera)(quad camera)
64 megapixels
8MP ultrawide f/2.212mm1/4.0"1.12µm
5MP macro f/2.425mm1/5.0"1.12µm
5MP depth f/2.2
(triple camera)
48 megapixels
8MP ultrawide f/2.21/4.0"1.12µm
2MP depth f/2.4
Main camera resolution10120x6328 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/1.72" inches1/2" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registered1080p@120fps

📸 Front camera

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
Front camera (secondary)32 megapixels32 megapixels
Front camera resolution6528x4896 pixels6528x4896 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.8" inches1/2.8" inches
Pixel size0.8µm pixel0.8µm pixel

🔉 Sound and multimedia

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)FM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
NFCNot supportedNot supported
Infrared portNot supportedSupported

🧭 Sensors

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity6000 mAh4030 mAh
Charger, watts15W Wired fast charging18W (9V/2A) Wired fast charging
Quick Charge 3
Inductive / wireless chargingNot supportedNot supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Ocean Blue, Space Black, Red
• One UI 2.0, 3.1
• Colors: Gray, White, Blue

☢️ Radiation rate

Galaxy M31 (SM-M315F/DS 128GB/6GB)Xiaomi Mi A3 (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.52W/kg (head), 0.69W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.482W/kg (head), 1.127W/kg (body)feature not registered
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