Amazon Echo (4th Gen)

Classification

Amazon Echo (4th Gen)
Classification
Grade	A
Calculator version	1
Classification date	2025-10-20
Information
Name	Amazon Echo (4th Gen)
Brand by Parent	Amazon by Amazon
Generation	4
Model(s)	Echo (4th Gen)
Release date	2020-10-22
Type/Category	Smart speaker
Website	[1]
Status	In sale
More
Dimensions	Approx 5.7 inches (diameter) – approximate due to official dimension specs not always repeated in marketing pages
Mass	Approx 1.75 lb (0.79 kg) – approximate
Operating system	Custom Amazon firmware (Alexa OS) on Echo hardware
Companion App	Alexa app (iOS/Android)
CPU	AZ1 Neural Edge SoC (quad-core ARM-based CPU; on-device AI processing)
GPU	Not publicly disclosed; no discrete GPU documented
Memory	~1.5 GB RAM (approximate; not officially published)
Storage	~8 GB flash storage (typical for Echo devices)
Battery	None (AC-powered device)
Power	External AC adapter (typical low-wattage power draw; exact specs not widely published)
Charging	N/A (not a rechargeable battery device)
Display	None
Camera	None
Sound	3.0" woofer + two 0.8" tweeters (stereo-like arrangement)
Connectivity	Wi‑Fi (2.4/5 GHz, 802.11 a/b/g/n/ac), Bluetooth, Zigbee built-in hub

Device
Criterion	Value	Proof(s)	Comment
Known hardware tampering	Rare	[]
Known vulnerabilities	None	[]
Prior attacks	None	[]
Updatability	Very common	[]
Category score	2

System
Criterion	Value	Proof(s)	Comment
Authentication with other systems	Full	[]
Communications	Encrypted with up-to-date encryption	[]	use tls
Storage	Encrypted with up-to-date encryption	[]
Category score	1

User Authentication
Criterion	Value	Proof(s)	Comment
Account management	Full	[]
Authentication	Secure	[]
Brute-force protection	Exist	[]
Event logging	Access event logged	[]
Passwords	Require change after setup with complexity requirements	[]
Category score	1

Grade	A