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memory latency vs. bandwidth

Joined
Mar 27, 2008
Messages
697 (0.11/day)
Location
Zagreb, Croatia
Processor C2D E8400@3.9GHz (488x8, 1.4v :( )
Motherboard Abit IP35-E
Cooling Thermaltake Sonic Tower+120mm fan
Memory 2GB kingmax ddr1066@976MHz 5-5-5-15
Video Card(s) Radeon X1800GTO @700/1400MHz with Accelero S1+Glacialtech fancard
Storage 2xSeagate Barracuda 7200.10 160GB
Display(s) Samsung SyncMaster 793s... just you laugh...
Case some Aplus case
Audio Device(s) Realtek ALC888
Power Supply Chieftec 450W
Software Win7 x64
Ok, so, i've been wondering for quite a while why was ddr2 and especially ddr3 forced on the market so much? I mean, i remember my s939 dual core athlon64 3800+ pwned a fair bit of ddr2 offerings in synthetic benchies at the time, the biggest difference was obviously latency.

Theoretically, newer memory standards have much higher bandwidth but they suffer from increased latency, so my question is does this increased latency bottleneck the cpu in general usage like web browsers, media players, the resident OS processes and stuff. Also i think that, for example, the ai and physics in games work with small chunks of memory that only get slowed down by the latency but tbh, i have no friggin idea how would such software work so i'd like to hear an opinion from someone more educated on the topic.

Enlighten me :p
 
look back at the ddr 1 to 2 switch. same thing ;)
 
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