PowerColor Liquid Cooled Radeon HD 4890 LCS

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The PC scene is constantly evolving as businesses and individuals make use of next generation products that increase productivity or provide higher levels of entertainment. Bigger, better, faster - these are the insatiable desires of consumers. It doesn't matter if we're speaking of gigahertz or gigabytes, the demand endures and companies do their best to crank out sought after new technology. 

As we're currently witnessing, competition for consumer dollars is fierce within respective markets and few can argue that there has never been a better time for those looking to buy. The Radeon HD 4890 is ATI's latest contender and we covered it extensively at launch. Now, overclocked variants of the videocard are rolling out with the goal of squeezing every last bit of performance from the RV790 GPU. Stock heatsinks do well to move the heat from the videocard at reference settings, but overclocking the core and memory quickly surpasses the threshold in which those heatsinks were designed for. That's where PowerColor's HD 4890 LCS liquid cooled videocard comes in. With factory overclocked speeds and increased cooling capability, let's find out what this card has to offer.   


PowerColor Radeon HD 4890 LCS
 

PowerColor HD 4890 Liquid Cooling Solution
Specifications and Features

Fabrication Process
55 nm
Transistors 959M
Core Clock
900 MHz
Stream Processors
800
Compute Performance
1.36 TFLOPs
Texture Units  40
Texture Fillrate
 34.0 GTexels/s
ROP Units  16
Memory Type  GDDR5
Memory Clock
1000 MHz
Frame Buffer Size
1 GB
Memory Data Rate
3.9 Gps
Memory Interface
256-bit
Total Memory Bandwidth
124.8 GB/s
Processor Cores
240
Connectors
2 x Dual-Link DVI-I 1 x 7-pin HDTV Out
Bus Technology
PCI Express 2.0
Form Factor

Dual Slot

Power Connectors
2 x 6-pin
Max Board Power (TDP)
190W
Idle Board Power (TDP)
60W


PowerColor's HD 4890 LCS offers respectable speed increases over reference design cards. With an extra 50MHz for the core and a memory frequency raised by 25MHz, we definitely don't expect outrageous gains. Rather, we anticipate a measurable boost in performance coupled with the inherent advantages of watercooled parts. But before we check out the benchmarks, we'll inspect the card and its accessory bundle.

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very nice. I like the fact that they used EK. usually you see DD blocks on the wc cards. Although I have to disagree. Usually it's more expensive to buy the cards with the blocks already on them verses getting them seperate. I have looked many times. but I would love to see it the other way around. Makes life easier on the consumer. Why 1/4 barbs though?

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A agree it is usually more to get the cards with the blocks. Not that the blocks are ever cheap.

One grip I have with this card is that even though it has a single slot cooling solution it still has the big backplate. Most of the cards I have seen with blocks already on them are like this. It just seems to be a lack of attention.

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