lol.. ppl say no LTE also no problem, so wat is ur problem? I also keep talking about this, LTE is shouldnt be a DEAL BREAKER, especially u live in places that dont have LTE and even 3g speed is not decent. Snapdragon 600 or not should not be a DEAL BREAKER as well if u want a LTE phone.

wat is SDS?

Performance of course is better than S3 by a wide margin. Just see the benchmark figures to have an idea :
Quadrant 12000-13000 vs 6000+ ; AntuTu 21000-22000 vs 15000-16000. Well these are just numbers but you gotta feel the additional increase in performance only when you are using it

Battery life : I estimate it at least 50 % better as the battery size alone is about 20+ % bigger. And with its lower chip operating at 1.2 Ghz for most commonly used tasks ( eg call, SMS, tweets etc ) this will be an additional advantage. Phone still new and cannot give you exact numbers. Example just 3G/H browsing, battery drain is 15-18%/hour ( download speeds at 4000-5000 kbps Maxis) vs 25-30% on the S3. And the S4 is very , very obviously cooler in operation vs the obviously hotter S3 , another contributing factor to better battery life

Display you gotta see for yourself to be impressed - must say this is Samsung finest I have seen
Camera - it is 13 MP vs 8 MP : I'd say the improvement might be not much but the added camera features is great and these depends whether you want to use it or not only

1 batch sure got problem.why so rush to buy.later like S3 sds

There's a retail store in Berjaya Times Square . Anywhere else , check from garage sales . A few forumers r selling as well and cheaper . But do be careful of getting a fake , only buy from those reputable forumers .

I would say the battery usage is comparable but you wont get same SOT or usage hours since is only 2600 mAh vs 3100 mAh
EXAMPLE I was using 3g browsing for past hour continously n battery drop from 90% to 72% ie 18% /hour. On note 2 my average is 13 to 15%/hour
This is roughly quite similar
See battery drain chart : start time 2132 n end time 2234 : from 90 % to 72%
This is just a rough assessment
Definitely way much better than S3 which I used to see 25 to 30%/hour on 3g browsing

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While we’re here, we should mention that Samsung will be selling accessories for the Galaxy S4 to help with the battery life – one is a special back cover that enables wireless charging and the other is a dedicated charger for a second battery.