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Samsung Galaxy M31 vs Samsung Galaxy M31s

What Galaxy M31 does better (2) and where Galaxy M31s wins (3) — every spec side by side.

Samsung Galaxy M31
Samsung · 2020Galaxy M31
6.1Score
2 advantages≈ $330
vs
Samsung Galaxy M31s
Samsung · 2020Galaxy M31s
7.3Score
3 advantages≈ $320
Higher score
5.1Display6.2
7.5Camera7.5
6.6Battery7.5
5.0Features5.0
Dimensions

Size comparison

Galaxy M31Galaxy M31s
75.1 × 159.28.974.4 × 159.39.3
Galaxy M31Galaxy M31sDifference
Height159.2 mm159.3 mm−0.1 mm
Width75.1 mm74.4 mm+0.7 mm
Thickness8.9 mm9.3 mm−0.4 mm
Weight191 g203 g−12 g

Drawn to the same scale from the official dimensions (front and side).

Why is Galaxy M31 better than Galaxy M31s?

  1. Weight191 g vs 203 g+6%
  2. Thickness8.9 mm vs 9.3 mm+4%

Why is Galaxy M31s better than Galaxy M31?

  1. Wired charging15 W vs 25 W+67%
  2. Storage (base)64 GB vs 128 GB2×
  3. Screen-to-body ratio84.1% vs 86.1%+2%
Specifications

Side by side

Design
Weight191 g203 g
Thickness8.9 mm9.3 mm
Height159.2 mm159.3 mm
Width75.1 mm74.4 mm
FramePlastic—
BackPlastic—
Glass protectionCorning Gorilla Glass 3Corning Gorilla Glass 3
ColoursOcean Blue, Space Black, RedMirage Black, Mirage Blue
Display
Screen size6.4″6.5″
PanelSuper AMOLEDSuper AMOLED
OLED panelYesYes
Resolution (width)1,080 px1,080 px
Resolution (height)2,340 px2,400 px
Pixel density403 ppi405 ppi
Refresh rate60 Hz60 Hz
Peak brightness420 nits—
Measured brightness611 nits—
Screen-to-body ratio84.1%86.1%
HDRYes—
Performance
ChipsetExynos 9611Exynos 9611
Chip makerExynosExynos
Process10 nm10 nm
CPU cores88
CPU frequency2.3 GHz2.3 GHz
GPUMali-G72 MP3Mali-G72 MP3
AnTuTu score326,489—
Geekbench 6 (multi-core)1,023—
Memory
RAM8 GB8 GB
Storage (max)128 GB128 GB
Storage (base)64 GB128 GB
Storage typeUFS 2.1UFS 2.1
Memory card slotYesYes
Camera
Main camera64 MP64 MP
Main camera aperturef/1.8f/1.8
Main sensor size1/1.72"1/1.73"
Rear cameras22
Optical stabilisationNoNo
Ultra-wide cameraYesYes
Telephoto cameraNoNo
Max video4K4K
4K video frame rate30 fps30 fps
Selfie camera32 MP32 MP
4K selfie videoYesYes
Battery
Battery capacity6,000 mAh6,000 mAh
Battery typeLi-PoLi-Po
Wired charging15 W25 W
Charged in 30 min22%—
Wireless chargingNoNo
Connectivity
5GNoNo
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth55
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDSGLONASS, GALILEO, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Fingerprint sensorRearSide
SensorsFingerprint (rear-mounted), accelerometer, gyro, compassFingerprint (side-mounted), accelerometer, gyro, compass
SAR (head)0.48 W/kg1.38 W/kg
Software
OS at launchAndroid 10Android 10
PlatformAndroidAndroid
InterfaceOne UI 4.1One UI 4.1
To compare: 0up to 4 models
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