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Xiaomi Redmi 8 (32GB) vs Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)

Side by side comparison between Xiaomi Redmi 8 vs Samsung Galaxy M31 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy M31 X Xiaomi Redmi 8 (32GB) 04Points
6.22"
IPS

720x1520

12
MP

8mp

3GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
20Points Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) Compare Xiaomi Redmi 8 X
6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

Octa-core

6000
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!

Redmi 8 (32GB)} 4 Advantages Xiaomi Redmi 8 (32GB) vs Galaxy M31 (SM-M315F/DS 128GB/6GB)} 20 Advantages Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
+188 grams (6.58 ounces)2%
Lighter
vs191 grams (6.69 ounces)
+Proximity sensorAdvantage
Sensors help you use the device
vsNot supported
+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.
vs15W
+P2i certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
2GHz 64bit Octa-corevs+2.3GHz 64bit Octa-core (10nm)14%
More powerful processor, you can open your applications faster
3GB LPDDR3vs+6GB LPDDR4X100%
More RAM memory. Typically more responsive and better for multitasking.
32GB (21GB available)vs+128GB (108GB available)4 times
More internal storage for applications and files
eMMC 5.1vs+UFS 2.1Advantage
Fastest write and read storage.
9.4 millimeters (0.37 inches)vs+8.9 millimeters (0.35 inches)6%
Thinner
TFT IPS LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
720x1520 pixelsvs+1080x2340 pixels131%
Higher resolution screen
270 PPIvs+403 PPI49%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.22"vs+6.4"3%
Larger screen
(dual camera) 12MP + 2MPvs+(quad camera) 64MP + 8MP + 5MP + 5MP5 times
Higher resolution main camera
1/2.55" inchesvs+1/1.72" inches48%
The larger sensor camera lets you take photos with better depth.
(front) 8MPvs+(front) 32MP3 times
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Android 9.0 Pievs+Android 11Advantage
Android 11 is newer and safer
(4G LTE) 150 Mbpsvs+(4G LTE-A) 600 Mbps3 times
Faster for surfing the internet and download files
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
5000 mAhvs+6000 mAh20%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.2 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster

25 Common items in both devices
Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC
Plastic body, glass front
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
+18 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

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
ModelRedmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
Other model namesXiaomi Redmi 8 (3GB RAM + 32GB) M1908C3IC, MZB8255INGalaxy M315F/Dual-Sim (128GB + 6GB RAM)
Country or region available(Global, International)
(Global, International)
(Latin America)(Global, International)PhilippinesIndiaIndonesiaMalaysia
(Latin America), (Global, International), Philippines, India, Indonesia, Malaysia
BrandXiaomiSamsung
Release date10/1/20193/5/2020, Announced: 2/25/2020
Depth9.4 millimeters (0.37 inches)8.9 millimeters (0.35 inches)
Size (width x height)75.4 x 156.5 millimeters (2.97 x 6.16 in)75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight188 grams (6.58 ounces)191 grams (6.69 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersP2i certified: water repellent nano-coatingNot supported

📲 Display

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
Display typeTFT IPS LCDSuper AMOLED
Screen size6.22" inches6.4" inches
Screen-to-body ratio~81.8% (screen-to-body ratio)~84.1% (screen-to-body ratio)
Display resolution720x1520 pixels1080x2340 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)270 PPI403 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass 3
Refresh ratefeature not registered60Hz
Display featuresfeature not registered420nits[peak]

🤖 Operating System

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
System versionAndroid 9.0 PieAndroid 10
Firmware updatefeature not registeredAndroid 11
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
Chipset64bit: Qualcomm Snapdragon 439 SDM439 (12nm)64bit: Samsung Exynos 9611 (10nm)
CPUOcta-core, 2 processors:
2x 2GHz ARM Cortex-A53 (Dual-core)
6x 1.45GHz ARM Cortex-A53 (Hexa-core)
Octa-core, 2 processors:
4x 2.3GHz ARM Cortex-A73 (Quad-core)
4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 505 650MhzARM Mali-G72 MP3 (850MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
RAM memory3GB LPDDR36GB LPDDR4X
Internal storage32GB (21GB available)
eMMC 5.1
128GB (108GB available)
UFS 2.1
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload150/50 Mbps600/150 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 networkM1908C3IC version:
UMTS 850/900/1700/1900/2100
MZB8255IN version:
UMTS 850/900/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat4
VoLTE
M1908C3IC version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20)
TD-LTE (Bands 38, 40)
MZB8255IN version:
LTE (Bands 1, 3, 5, 8)
TD-LTE (Bands 40, 41)
LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
Back camera (main camera)(dual camera)
12 megapixels
2MP depth
(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
Main camera resolution4000x3000 pixels10120x6328 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm lens
Sensor size1/2.55" inches1/1.72" inches
Pixel size1.4µm 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 registeredfeature not registered

📸 Front camera

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
Front camera (secondary)8 megapixels32 megapixels
Front camera resolution3264x2448 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/2.8" inches
Pixel size1.12µm pixel0.8µm pixel

🔉 Sound and multimedia

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, 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

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
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
Bluetooth4.2 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
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, GALILEO, BeiDou
NFCNot supportedNot supported
Infrared portSupportedNot supported

🧭 Sensors

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Vibrating alertSupportedSupported

🔋 Battery

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5000 mAh6000 mAh
Charger, watts18W Wired fast charging15W Wired fast charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy28 hours (1.2 days)feature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
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: Onyx Black, Ruby Red, Sapphire Blue, Green
• MIUI 9
• Colors: Ocean Blue, Space Black, Red
• One UI 2.0, 3.1

☢️ Radiation rate

Redmi 8 (32GB)Galaxy M31 (SM-M315F/DS 128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.52W/kg (head), 0.69W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.482W/kg (head), 1.127W/kg (body)
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