Western Digital 500GB Caviar Green vs Caviar Green 4TB Hard Disk Comparison

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Western Digital 500GB Caviar Green	Western Digital Caviar Green 4TB
Prices (Change region) In Stock $98.95 (Used from $10.91) Last updated 39 minutes ago.	Prices (Change region) Out of Stock Free shipping $125.00 - Buy now
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Brand Western Digital	Brand Western Digital
Model WD5000AADS	Model WD40EZRX
Release Date 📅 October 2009	Release Date 📅 September 2013
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★★ (295 reviews) Add a product review
Performance (Charts) 156th / 598 (-61%)	Performance (Charts) 92nd / 598 (0%)
Effective Value 94th / 161	Effective Value 122nd / 161
Price history View Details ►	Price history View Details ►
Price/GB $0.07	Price/GB $0.03
GB/$1 14.01	GB/$1 32
Pros -	Pros Reliability Low power consumption
Capacity 500 GB	Capacity 4000 GB
Cache 32MB	Cache 64MB
RPM 5400	RPM 5900
Interface SATA 3 Gb/s	Interface SATA 6 Gb/s
Form Factor 3.5"	Form Factor 3.5"

What are the differences between Western Digital 500GB Caviar Green and Caviar Green 4TB? Analyze head-to-head all specifications and features to find out the better hard disk.