Western Digital Caviar Green 3TB vs Caviar Green 2TB Hard Disk Comparison

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Western Digital Caviar Green 3TB	Western Digital Caviar Green 2TB
Prices (Change region) In Stock $57.00 +Free shipping	Prices (Change region) In Stock $79.00 +Free shipping
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Brand Western Digital	Brand Western Digital
Model WD30EZRX	Model WD20EZRX
Release Date 📅 July 2011	Release Date 📅 October 2012
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (295 reviews) Add a product review	User reviews ★★★★★ (296 reviews) Add a product review
Performance (Charts) 101st / 589 (-2%)	Performance (Charts) 99th / 589 (0%)
Effective Value 64th / 158	Effective Value 86th / 158
Price history View Details ►	Price history View Details ►
Price/GB $0.02	Price/GB $0.04
GB/$1 52.63	GB/$1 25.32
Pros ReliabilityLow power consumption	Pros ReliabilityLow power consumption
Capacity 3000 GB	Capacity 2000 GB
Cache 64MB	Cache 64MB
RPM 5400	RPM 5400
Interface SATA 6 Gb/s	Interface SATA 6 Gb/s
Form Factor 3.5"	Form Factor 3.5"

What are the differences between Western Digital Caviar Green 3TB and Caviar Green 2TB? Analyze head-to-head all specifications and features to find out the better hard disk.