Motorola Moto G31 vs Motorola Moto G51 5G Specs Comparison

Availability

Officially announced
Nov 18, 2021	Nov 18, 2021

Design

Dimensions
6.37 x 2.91 x 0.34 inches 161.89 x 73.87 x 8.55 mm	6.71 x 3.01 x 0.36 inches 170.47 x 76.54 x 9.13 mm
Weight
6.38 oz (181.0 g)	7.34 oz (208.0 g)
Resistance
	Yes; IP52
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key, Other	Right: Volume control, Lock/Unlock key, Other
Colors
Mineral Grey, Baby Blue	Indigo Blue, Bright Silver, Aqua Blue

Display

Size
6.4-inch, 82.69% screen-to-body	6.8-inch, 85.68% screen-to-body
Type
IPS LCD, 60Hz	IPS LCD, 120Hz
Resolution
2400x1080px, 20:9 ratio, 411 PPI	2400x1080px, 20:9 ratio, 387 PPI

Hardware

System chip
MediaTek Helio G85 MT6769Z (12 nm)	Snapdragon 480 SM4350 (8 nm)
Processor
Octa-core 2000 MHz Cortex	Octa-core 2000 MHz Kryo 460
GPU
Mali-G52 MC2	Adreno 619
Memory
4GB/64GB 4GB/128GB	4GB/64GB
Storage expansion
microSDXC up to 1024 GB	microSDXC up to 512 GB
OS
Android (11)	Android (11)

Battery

Type
5000 mAh	5000 mAh
Charge speed
Wired: 10.0W	Wired: 10.0W

Camera

Rear
Triple camera	Triple camera
Main camera
50 MP (Autofocus) Aperture size: F1.8 Pixel size: 1.28 μm	50 MP (PDAF) Aperture size: F1.8 Pixel size: 0.64 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm
Third camera
2 MP (Macro) Aperture size: F2.4 Pixel size: 1.75 μm	2 MP (Macro) Aperture size: F2.4 Pixel size: 1.75 μm
Flash
	LED
Video recording
1080p (30 fps)	1080p (240 fps)
Front
13 MP Video capture: 1080p	13 MP

Connectivity & Features

Bluetooth
5.0	5.1
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
NFC	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM, Stereo, RDS	FM, Stereo, RDS
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

5G Bands
	n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78
4G (FDD) Bands
1, 2, 3, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28	1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 32
4G (TDD) Bands
38, 40, 41	38, 40, 41, 42, 43
3G Bands
1, 2, 4, 5, 8, 19	1, 2, 5, 8, 19
Data Speed
LTE-A Cat 7 (300/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Nov 03, 2021 FCC ID value: IHDT56ZX4
Measured SAR
	Head: 1.17 W/kg Body: 1.44 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.44 W/kg

Alternative variants

With 128GB internal storage

Memory	128GB

Links

Full specifications
Motorola Moto G31 Specs	Motorola Moto G51 5G Specs