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NVIDIA GeForce GTX 275 (Reference Card)

02 Apr 2009

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			<h2 class="header-green">The Striker - NVIDIA&#039;s New GeForce GTX 275</h2>
		<span class="byline">Reviewed by Kenny Yeo on Thursday, 02 Apr 2009</span>
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		 		<h2 class="page-title">Lightning Quick Response</h2>
		 		<h3 class="page_title">Lightning Quick Response</h3>
<p>After the setback inflicted upon them by ATI's Radeon 4800 series, NVIDIA has been slowly but surely picking themselves up. Sure, they were left floored by the sheer value-for-money proposition that ATI was touting, but like real men, they licked their wounds and soldiered on.</p>
<p>Since then, they've been hard at work. Their GeForce GTX 295 stole the speed king crown from ATI's Radeon HD 4870 X2 and with a new pricing strategy and improved products in the form of GeForce GTX 285 and GeForce GTX 260 Core 216 (GTX 260+), they gave gamers looking for high-end graphics solutions something to really think about. And luckily for them, their choices of high-end graphics card have just become a little more varied, because NVIDIA is releasing the GeForce GTX 275.</p>
<p class="rtecenter"><img src="http://images.hardwarezone.com/upload/files/2010/03/4130fa0480.jpg" title="At its heart, the new GeForce GTX 275 is an overclocked version of the single GPU that makes up the GeForce GTX 295." alt="" /></p>
<p class="rteleft">Like a never-ending game of cat and mouse, the GeForce GTX 275 is NVIDIA' counter to the <a href="/view/13961" target="_blank">Radeon HD 4890</a>, which we earlier reviewed. As its name implies, it fills the gap between the awesome (but pricey) GTX 285 and the GTX 260+. It has 240 stream processors and a 448-bit memory bus width; its core is clocked at 633MHz, whereas memory and shaders are clocked at 2268MHz DDR and 1404MHz respectively. In a nutshell, the new GTX 275 is the lovechild of the GTX 285 and GTX 260+. What's very interesting is the nice US$249 price point and we'll soon see how this pans out.</p>
<p>Before we put it to the test, do have a quick look at its technical specifications and see how it stands up against comparable competitive SKUs.</p>
<p class="rtecenter"><img src="http://images.hardwarezone.com/upload/files/2010/03/7fe2145a40.gif" alt="" /></p>
<table cellspacing="0" cellpadding="5" border="1" align="center" style="table-layout: auto; width: 95%;">
    <caption>NVIDIA GeForce GTX 275 and competitive SKUs</caption>
    <tbody>
        <tr>
            <th align="center" valign="middle">Model</th>
            <th align="center" valign="middle">NVIDIA GeForce GTX 275 896MB</th>
            <th align="center" valign="middle">ATI Radeon HD 4890 1GB</th>
            <th align="center" valign="middle">ATI Radeon HD 4870 512MB</th>
            <th align="center" valign="middle">ATI Radeon HD 4850 512MB</th>
            <th align="center" valign="middle">NVIDIA GeForce GTX 260 Core 216 896MB</th>
            <th align="center" valign="middle">NVIDIA GeForce GTX 285 1GB</th>
        </tr>
        <tr>
            <th align="center" valign="middle">Core Code</th>
            <td align="center" valign="middle">GT200</td>
            <td align="center" valign="middle">RV790</td>
            <td align="center" valign="middle">RV770</td>
            <td align="center" valign="middle">RV770</td>
            <td align="center" valign="middle">GT200</td>
            <td align="center" valign="middle">GT200</td>
        </tr>
        <tr>
            <th align="center" valign="middle">Transistor Count</th>
            <td align="center" valign="middle">1400 million</td>
            <td align="center" valign="middle">959 million</td>
            <td align="center" valign="middle">956 million</td>
            <td align="center" valign="middle">956 million</td>
            <td align="center" valign="middle">1400 million</td>
            <td align="center" valign="middle">1400 million</td>
        </tr>
        <tr>
            <th align="center" valign="middle">Manufacturing Process</th>
            <td align="center" valign="middle">55nm</td>
            <td align="center" valign="middle">55nm</td>
            <td align="center" valign="middle">55nm</td>
            <td align="center" valign="middle">55nm</td>
            <td align="center" valign="middle">65nm</td>
            <td align="center" valign="middle">55nm</td>
        </tr>
        <tr>
            <th align="center" valign="middle">Core Clock</th>
            <td align="center" valign="middle">633MHz</td>
            <td align="center" valign="middle">850MHz</td>
            <td align="center" valign="middle">750MHz</td>
            <td align="center" valign="middle">625MHz</td>
            <td align="center" valign="middle">576MHz</td>
            <td align="center" valign="middle">648MHz</td>
        </tr>
        <tr>
            <th align="center" valign="middle">Stream Processors</th>
            <td align="center" valign="middle">240 Steam Processors</td>
            <td align="center" valign="middle">800 Stream processing units</td>
            <td align="center" valign="middle">800 Stream processing units</td>
            <td align="center" valign="middle">800 Stream processing units</td>
            <td align="center" valign="middle">216 Stream Processors</td>
            <td align="center" valign="middle">240 Stream Processors</td>
        </tr>
        <tr>
            <th align="center" valign="middle">Stream Processor Clock</th>
            <td align="center" valign="middle">1404MHz</td>
            <td align="center" valign="middle">850MHz</td>
            <td align="center" valign="middle">750MHz</td>
            <td align="center" valign="middle">625MHz</td>
            <td align="center" valign="middle">1242MHz</td>
            <td align="center" valign="middle">1476MHz</td>
        </tr>
        <tr>
            <th align="center" valign="middle">Texture Mapping Units (TMU) or Texture Filtering (TF) units</th>
            <td align="center" valign="middle">80</td>
            <td align="center" valign="middle">40</td>
            <td align="center" valign="middle">40</td>
            <td align="center" valign="middle">40</td>
            <td align="center" valign="middle">72</td>
            <td align="center" valign="middle">80</td>
        </tr>
        <tr>
            <th align="center" valign="middle">Raster Operator units (ROP)</th>
            <td align="center" valign="middle">16</td>
            <td align="center" valign="middle">16</td>
            <td align="center" valign="middle">16</td>
            <td align="center" valign="middle">16</td>
            <td align="center" valign="middle">28</td>
            <td align="center" valign="middle">32</td>
        </tr>
        <tr>
            <th align="center" valign="middle">Memory Clock</th>
            <td align="center" valign="middle">2268MHz GDDR3</td>
            <td align="center" valign="middle">3900MHz GDDR5</td>
            <td align="center" valign="middle">3600MHz GDDR5</td>
            <td align="center" valign="middle">2000MHz GDDR3</td>
            <td align="center" valign="middle">1998MHz GDDR3</td>
            <td align="center" valign="middle">2484MHz GDDR3</td>
        </tr>
        <tr>
            <th align="center" valign="middle">DDR Memory Bus</th>
            <td align="center" valign="middle">448-bit</td>
            <td align="center" valign="middle">256-bit</td>
            <td align="center" valign="middle">256-bit</td>
            <td align="center" valign="middle">256-bit</td>
            <td align="center" valign="middle">448-bit</td>
            <td align="center" valign="middle">512-bit</td>
        </tr>
        <tr>
            <th align="center" valign="middle">Memory Bandwidth</th>
            <td align="center" valign="middle">130.4GB/s</td>
            <td align="center" valign="middle">124.8GB/s</td>
            <td align="center" valign="middle">115.2GB/s</td>
            <td align="center" valign="middle">64GB/s</td>
            <td align="center" valign="middle">111.9GB/s</td>
            <td align="center" valign="middle">159GB/s</td>
        </tr>
        <tr>
            <th align="center" valign="middle">PCI Express Interface</th>
            <td align="center" valign="middle">PCIe ver 2.0 x16</td>
            <td align="center" valign="middle">PCIe ver 2.0 x16</td>
            <td align="center" valign="middle">PCIe ver 2.0 x16</td>
            <td align="center" valign="middle">PCIe ver 2.0 x16</td>
            <td align="center" valign="middle">PCIe ver 2.0 x16</td>
            <td align="center" valign="middle">PCIe ver 2.0 x16</td>
        </tr>
        <tr>
            <th align="center" valign="middle">Molex Power Connectors</th>
            <td align="center" valign="middle">2 x 6-pin</td>
            <td align="center" valign="middle">2 x 6-pin</td>
            <td align="center" valign="middle">2 x 6-pin</td>
            <td align="center" valign="middle">6-pin</td>
            <td align="center" valign="middle">2 x 6-pin</td>
            <td align="center" valign="middle">2 x 6-pin</td>
        </tr>
        <tr>
            <th align="center" valign="middle">Multi GPU Technology</th>
            <td align="center" valign="middle">SLI</td>
            <td align="center" valign="middle">CrossFireX</td>
            <td align="center" valign="middle">CrossFireX</td>
            <td align="center" valign="middle">CrossFireX</td>
            <td align="center" valign="middle">SLI</td>
            <td align="center" valign="middle">SLI</td>
        </tr>
        <tr>
            <th align="center" valign="middle">DVI Output Support</th>
            <td align="center" valign="middle">2 x Dual-Link</td>
            <td align="center" valign="middle">2 x Dual-Link</td>
            <td align="center" valign="middle">2 x Dual-Link</td>
            <td align="center" valign="middle">2 x Dual-Link</td>
            <td align="center" valign="middle">2 x Dual-Link</td>
            <td align="center" valign="middle">2 x Dual-Link</td>
        </tr>
        <tr>
            <th align="center" valign="middle">HDCP Output Support</th>
            <td align="center" valign="middle">Yes</td>
            <td align="center" valign="middle">Yes</td>
            <td align="center" valign="middle">Yes</td>
            <td align="center" valign="middle">Yes</td>
            <td align="center" valign="middle">Yes</td>
            <td align="center" valign="middle">Yes</td>
        </tr>
        <tr>
            <th align="center" valign="middle">Street Price</th>
            <td align="center" valign="middle">US$249</td>
            <td align="center" valign="middle">US$260</td>
            <td align="center" valign="middle">~US$219</td>
            <td align="center" valign="middle">~US$159</td>
            <td align="center" valign="middle">~US$229</td>
            <td align="center" valign="middle">~US$359</td>
        </tr>
    </tbody>
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NVIDIA GeForce GTX 275 (Reference Card)

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