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» Channels :: Graphics Card

PowerColor PCS+ HD 4870 1GB GDDR5 - Faster Yet Cooler?
By Kenny Yeo
Category : Graphics
Published by Vijay Anand on Monday, 8th September, 2008
Rating : 4 out of 5 stars  

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Too Fast and Cool to be True?

Since time immemorial, man has had an insatiable appetite for power and speed. This can be easily appreciated when you look at modern day transport. From horse carriages of the days of yore, to cars, to maglev trains, to airplanes, the only limits that stand in man's way are the laws of physics. This lust for power and speed can be seen in computing as well, giving birth to faster processors, faster memory and of course faster graphics cards. As we've seen in our earlier review, the standard Radeon HD 4870 is already a very capable performer, providing more than enough graphics processing power for your average or even hardcore gamer. But when was man ever satisfied? Hence overclocking.

However, the inescapable fact is that with more power comes more heat. Therefore, graphics cards require well-designed coolers to ensure that the GPU doesn't become a campfire sitting on your motherboard. This relentless lust for power and speed has now led prominent ATI graphics card manufacturer, PowerColor, to give us this - the PowerColor PCS+ HD 4870 1GB GDDR5.

The PowerColor PCS+ HD 4870 is one of the earliest overclocked versions of the HD 4870 made available to gamers, and is packed in a compact box, which we find tasteful.

The PowerColor PCS+ HD 4870 is an overclocked variant of the standard Radeon HD 4870 which PowerColor claims to be not only faster than the reference, but also cooler. But before we delve into the details of the card, let us first take a look at how the card stacks up against the competition.


PowerColor PCS+ HD 4870 and Competitive Comparison Cards
Powercolor 4870
Model PowerColor PCS+ HD 4870 1GB Radeon HD 4870 512MB Radeon HD 4850 512MB NVIDIA GTX 280 1GB NVIDIA GTX 260 896MB
Core Code RV770 RV770 RV770 GT200 GT200
Transistor Count 956 million 956 million 956 million 1400 million 1400 million
Manufacturing Process 55nm 55nm 55nm 65nm 65nm
Core Clock 800MHz 750MHz 625MHz 602MHz 576MHz
Stream Processors 160 Processors (800 Stream processing units) 160 Processors (800 Stream processing units) 160 Processors (800 Stream processing units) 240 Stream Processors 192 Stream Processors
Stream Processor Clock 800MHz 750MHz 625MHz 1296MHz 1242MHz
Texture Mapping Units (TMU) or Texture Filtering (TF) units 40 40 40 80 64
Raster Operator units (ROP) 16 16 16 32 28
Memory Clock 3700MHz GDDR5 3600MHz GDDR5 2000MHz GDDR3 2214MHz GDDR3 1998MHz GDDR3
DDR Memory Bus Width 256-bit 256-bit 256-bit 512-bit 448-bit
Memory Bandwidth 121.6GB/s 115.2GB/s 64GB/s 141.7GB/s 111.9GB/s
PCI Express Interface PCIe ver 2.0 x16 PCIe ver 2.0 x16 PCIe ver 2.0 x16 PCIe ver 2.0 x16 PCIe ver 2.0 x16
Molex Power Connectors 2 x 6-pin 2 x 6-pin 6-pin 6-pin, 8-pin 2 x 6-pin
Multi GPU Technology CrossFireX CrossFireX CrossFireX SLI SLI
DVI Output Support 2 x Dual-Link 2 x Dual-Link 2 x Dual-Link 2 x Dual-Link 2 x Dual-Link
HDCP Output Support Yes Yes Yes Yes Yes
Street Price US$340 US$299 US$199 US$499 US$299

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