4745454b :
You can't really just go buy specs. The second card looks better, but if the first has a much better GPU then it could be better. (a lower end GPU wouldn't have a 256bit bus, but if its an older model....) Which cards are you looking at, how much do you have to spend, and are you in the US?
ok the spec is like below..
1. SAPPHIRE HD 4670 1G GDDR3 PCI-E (New Edition) ( i take it from sapphire website-
http://www.sapphiretech.com/presentation/product/?psn=0001&pid=269)-you can refer it for more information.
The specs is like that:
I/O Output: VGA+DL-DVI-I+HDMI
Core Clock: 750 MHz
320 Stream Processors
Memory Clock: 800MHz, 1600 Mbps
PCI Express 2.0 x16 bus interface
1024MB /128bit DDR3 memory interface
Dual Slot Cooler
HDMI On-board
7.1 Audio Channel Support
Microsoft® DirectX® 10.1 support
Shader Model 4.1 support
2.HIS HD 3850 IceQ 3 Turbo HDMI Dual DL-DVI 512MB GDDR3 PCIe ( i take it from HIS website -http://www.hisdigital.com/un/product2-39.shtml)
The specs is like that:
Model Name HIS HD 3850 IceQ 3 Turbo HDMI Dual DL-DVI 512MB GDDR3 PCIe
Chipset Radeon HD 3800 PCIe Series
ASIC RadeonTM HD 3850 GPU
Pixel Pipelines 320 stream processing units* (Unified)
Vertex Engines 320 stream processing units* (Unified)
Manu. Process (Micron) 55nm
Transistor 666 million transistors on 55nm fabrication process
Fill Rate
Memory Size (MB) 512MB
Memory Type GDDR3
RAMDAC (MHz) 400
Engine CLK (MHz) 720MHz
Memory CLK (MHz) 1820MHz
Memory Interface (bit) 256bit
Memory Bandwidth
Max. Resolution Two x 2560*1600 (Dual dual-link)
Bus Interface PCI Express x16 (PCI Express 2.0)
Power Supply Requirement 450 Watt or greater power supply with 75 Watt 6-pin PCI Express® power connector recommended (550 Watt and two 6-pin connectors for dual ATI CrossFireX™)
VGA No
2nd VGA No
DVI Yes
2nd DVI Yes
TV-out No
HDTV (YPrPb component output) No
Video-in No
TV Tuner No
FM Tuner No
ATI Radeon HD 3850 System Requirements
* PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
* 450 Watt or greater power supply with 75 Watt 6-pin PCI Express® power connector recommended (550 Watt and two 6-pin connectors for dual ATI CrossFireX™)
* Certified power supplies are recommended
* 1GB of system memory recommended
* Installation software requires an optical drive
* DVD playback requires DVD drive
* Blu-ray™ / HD DVD playback requires a Blu-ray / HD DVD drive
* For a complete ATI CrossFireX™ system, additional ATI Radeon™ HD 3800 series graphics card(s), an ATI CrossFireX Ready motherboard and one ATI CrossFireX Bridge Interconnect cable per board are required
For more information, please visit the following link:
http://ati.amd.com/products/Radeonhd3800/requirements.html
The price both of the graphic cards in my country is about the same..so i hope u can give me the best answer...Thanks a lot bro...im duan from malaysia...