Comparison chart

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Product name

Samsung BlackJack II - black (AT&T)

Samsung BlackJack II - black (AT&T)
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Samsung Galaxy S III - 16GB - pebble blue (T-Mobile)

Samsung Galaxy S III - 16GB - pebble blue (T-Mobile)
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Samsung Eternity (AT&T)

Samsung Eternity (AT&T)
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Price $49 to $464 at 3 stores
CNET editors' rating
3.5 stars Very good
    Overall score: 7.3 (3.5 stars)
Editors' choice 4.0 stars Excellent
    Overall score: 8.7 (4.0 stars)
3.5 stars Very good
    Overall score: 7.7 (3.5 stars)
Average user rating 2.5 stars out of 117 reviews 3.0 stars out of 130 reviews 3.0 stars out of 162 reviews
Release date October 23, 2007 June 21, 2012 October 17, 2008
The Bottom Line Although the Samsung BlackJack II doesn't bring any revolutionary upgrades, there are a number of welcome additions, including GPS and better performance, to make it a worthy successor and a good-value smartphone. Pumped with high-performing hardware and creative software features, the Samsung Galaxy S3 is an excellent, top-end phone that's neck and neck with the HTC One X. The Samsung Eternity succeeds as a multimedia device, but without Wi-Fi and full e-mail support, it stops well short of being a business-friendly device.

Basic specs

Features See What's the Same or What's different
Specific absorption rate (SAR) Info unavailable 0.43 W/Kg
Info unavailable
Cellular technology WCDMA (UMTS) / GSM
GSM / HSDPA
WCDMA (UMTS) / GSM
Weight Info unavailable 4.7 oz
3.9 oz
Talk time Info unavailable Info unavailable Up to 300 min
Wireless Interface Bluetooth 2.0
Info unavailable Info unavailable
Service Provider AT&T
T-Mobile
AT&T
Band / mode WCDMA (UMTS) / GSM 850/900/1800/1900
Info unavailable WCDMA (UMTS) / GSM 850/900/1800/1900
Full specifications Full specifications Full specifications Full specifications
Buying choices
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