Radeon 4770 - Good Performance for ~100 bucks

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Source: http://www.hardocp.com/article/2009/07/27/xfx_radeon_hd_4770

XFX Radeon HD 4770

We take our first look at a full retail boxed version of the Radeon HD 4770 from XFX. We’ll test its overclocking ability, take its temperature, and see what kind of performance it puts out while taking it for a spin around the block in real world gameplay testing. This dual-slot Radeon HD 4770 has a lot to offer at an attractive price.

Introduction

XFX does AMD, yep, this once NVIDIA-only manufacturer now has a thing for that little red minx, Ruby, from ATI. A couple of months ago we got our first look at an AMD GPU powered XFX video card with the XFX Radeon HD 4870 1GB. We found that it performed just as we would have expected and had that oh so familiar XFX look and feel. Nothing was sacrificed, XFX still maintains its unique Double Lifetime warranty with AMD GPU powered video cards.

XFX is staying current, offering new AMD GPU powered products as AMD releases them. Recently, the AMD Radeon HD 4770 was announced. We evaluated our AMD supplied sample back on April 28th with Beta drivers. With that early sample we were not able to exceed Catalyst Control Center’s Overdrive clock speeds for overclocking, and we knew this card had a lot more potential. Now we have a chance to truly test the Radeon HD 4770 with this retail card from XFX. We are going to push it, and we are going to use the absolute latest drivers, Catalyst 9.6 WQHL at the time of this evaluation. We are also going to test under Windows 7 RC x64 for this evaluation and include a new game, Demigod.

XFX Radeon HD 4770

To get the skinny on what makes the Radeon HD 4770 tick, read the first page of this evaluation. A quick run-down: The Radeon HD 4770 provides DX10.1 support in 40nm with 640 stream processors and 512MB of GDDR5. The clock speeds are set at 750MHz GPU and 800MHz (3.2GHz GDDR5) by default. The most attractive part of this video card is that these cards are right around the $100 mark.

On its Radeon HD 4770 product page, XFX currently offers two models. There is an "YDFC" and "YDLC" model. The model we have for evaluation today is the dual-slot YDFC model. The only difference between the two models is the heatsink/fan combination used. XFX is providing two options; in the YDLC model you can get a single-slot video card, with a lesser heatsink/fan unit, which also reduces board costs. The YDFC model provides a dual-slot cooler similar to what we evaluated in our initial evaluation. Be careful which model you are purchasing, if you want the ability to overclock higher a beefier HSF is welcomed.

Specifications-wise both models chime in at the stock frequencies, 750MHz GPU and 800MHz (3.2GHz GDDR5.) Both models require one PCIe connector for power. Pricing may be different between both models. The YDFC model we are evaluating can be found for $104.99.

XFX Radeon HD 4770 Pictures

The XFX Radeon HD 4770 comes to us in a perfectly sized box for this card, wasting no space, and fitting nice and snug. On the front of the box is adorned such information as 512MB of GDDR5 included, with XFX’s "5-Star-Support." Packaging was done very well, inside the box was an insert that when removed reveled the card underneath in wrapping. In the insert was the software and adapters.

XFX has given us a black PCB with black Heatsink shroud adorned with XFX graphics. This dual-slot cooling solution matches our reference sample from AMD. It pulls in air and blows it out the back, keeping the hot air contained until it exits your PC.

XFX has customized the I/O bracket and provided us red colored dual-link DVI ports for that dramatic flair. The black and red color combination looks quite good on this card. Only one power connector is required for operation. The memory modules are exposed on this video card and not covered by the heatsink. We can see that Qimonda IDGV51-05A1F1C-40X memory modules are used. Going to Qimonda’s website, we can find out a lot of information about these RAM modules. These GDDR5 modules are rated at 1000MHz at 1.5v. Considering our video card comes clocked at 800MHz, there might be some good potential here for overclocking, given the proper voltages.

Included software is a driver CD, installation manuals and door hanger. Included hardware is a DVI to VGA adapter, HDMI adapter, Component adapter and Molex to PCIe power adapter and CrossFire bridge.
 
It's a nice card if you can find it. But the 40nM fabrication process had several manufacturing issues which cause delays in it's availability. But two in CrossFire for $200 is a great graphics solution. Not to mention that because it's 40nM it runs very cool and can be overclocked pretty easily.
 
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