How we scoreBlogAdvertise
android.gsdevices · specs · comparisons
  1. android.gs
  2. Compare
  3. Moto G31 vs Galaxy M21 2021

Motorola Moto G31 vs Samsung Galaxy M21 2021

What Moto G31 does better (5) and where Galaxy M21 2021 wins (6) — every spec side by side.

Motorola Moto G31
Motorola · 2021Moto G31
5.2Score
5 advantages≈ $130
vs
Samsung Galaxy M21 2021
Samsung · 2021Galaxy M21 2021
6.5Score
6 advantages≈ $140
Higher score
5.8Display5.0
7.6Camera6.7
3.5Battery6.6
4.1Features5.0
Dimensions

Size comparison

Moto G31Galaxy M21 2021
73.9 × 161.98.675.1 × 1599
Moto G31Galaxy M21 2021Difference
Height161.9 mm159 mm+2.9 mm
Width73.9 mm75.1 mm−1.2 mm
Thickness8.6 mm9 mm−0.4 mm
Weight181 g192 g−11 g

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

Why is Moto G31 better than Galaxy M21 2021?

  1. Peak brightness700 nits vs 420 nits+67%
  2. Main camera50 MP vs 48 MP+4%
  3. Weight181 g vs 192 g+6%
  4. Main camera aperturef/1.8 vs f/2+11%
  5. Thickness8.6 mm vs 9 mm+5%

Why is Galaxy M21 2021 better than Moto G31?

  1. Wired charging10 W vs 15 W+50%
  2. Battery capacity5,000 mAh vs 6,000 mAh+20%
  3. Max video1080p vs 4K
  4. CPU frequency2 GHz vs 2.3 GHz+15%
  5. Selfie camera13 MP vs 20 MP+54%
  6. Process12 nm vs 10 nm+20%
Specifications

Side by side

Design
Weight181 g192 g
Thickness8.6 mm9 mm
Height161.9 mm159 mm
Width73.9 mm75.1 mm
FramePlasticPlastic
BackPlasticPlastic
Ingress protectionIP52—
Water resistance (IPx)IPx2—
ColoursMineral Grey, Baby BlueCharcoal Black, Arctic Blue
Display
Screen size6.4″6.4″
PanelAMOLEDSuper AMOLED
OLED panelYesYes
Resolution (width)1,080 px1,080 px
Resolution (height)2,400 px2,340 px
Pixel density411 ppi403 ppi
Refresh rate60 Hz60 Hz
Peak brightness700 nits420 nits
Measured brightness423 nits—
Screen-to-body ratio82.7%84.2%
Performance
ChipsetMediatek MT6769Z Helio G85Exynos 9611
Chip makerMediaTekExynos
Process12 nm10 nm
CPU cores88
CPU frequency2 GHz2.3 GHz
GPUMali-G52 MC2Mali-G72 MP3
AnTuTu score294,541—
Geekbench 6 (multi-core)1,319—
3DMark Wild Life Extreme181—
Memory
RAM6 GB6 GB
Storage (max)128 GB128 GB
Storage (base)64 GB64 GB
Storage typeeMMC 5.1—
Memory card slotYesYes
Camera
Main camera50 MP48 MP
Main camera aperturef/1.8f/2
Main sensor size1/2.76"1/2.0"
Rear cameras22
Optical stabilisationNoNo
Ultra-wide cameraYesYes
Telephoto cameraNoNo
Optical zoom8×—
Max video1080p4K
4K video frame rate—30 fps
Selfie camera13 MP20 MP
4K selfie videoNoNo
Battery
Battery capacity5,000 mAh6,000 mAh
Battery typeLi-PoLi-Po
Wired charging10 W15 W
Charged in 30 min23%—
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, GALILEOGLONASS, GALILEO, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Fingerprint sensorSideRear
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
SAR (head)—0.47 W/kg
Software
OS at launchAndroid 11Android 11
PlatformAndroidAndroid
Interface—One UI 3.1 Core
To compare: 0up to 4 models
Compare