ATI Radeon HD4730

Viliyana Filipova — Thu, 01 Oct 2009 10:55:33 +0000

The Subject of research in this publication are graphics that have cropped one reason or another (mostly marketing) and from video-cores of the highest class, but offered a much lower price. Such examples are the GeForce 9800GT, based on the G92 or truncated GeForce 9600GSO reduced with 64-bit bus to the GeForce 9600GT. There are two main reasons for the cut in capacity and technical specifications of video cards:
1) Need to fill a market segment in the lower price niche. Used cores are complete without defects, but their limitations are placed from the operating frequency, memory bus, workflow processors, modules and other textures. An example of such video is discussed below Radeon HD4830, on the basis of complete cores RV770, and in the HD4850 and HD3870. Such artificial cut is expensive for the manufacturer and is a temporary phenomenon, while the price will naturally fill a niche of a new and cheap nuclei (eg lack of low-priced Radeon HD4770 is offset by the expensive, but organic HD4830) or nuclei accumulate a minimum of marriage ” senior class;
2) graphics cores are high-class design and sophisticated with the passage of production builds up a marriage. When the marriage is minimal – 1-5% of the crystal, then the core is of work after being locked up and isolated the problematic unit (CPU workflow, texturing units, etc.).. An example of such video is discussed in this article, Radeon HD4730.
AMD / ATI is loyal to its main partners – PowerColor and Sapphire and provides these “intermediate” cores only to them, why not meet these models from other manufacturers. Even the “hit” 40nm-ov HD4770 is produced mainly by these two companies.
This test will involve mainly video cards trimmed with the high class graphics cores, but very close to maximum productivity.
The test machine is basically a powerful, high-AMD X2 6000 + (3.1GHz).
Incompleteness of Windows 7, Vista and the hate to sentimental feelings for Windows XP prompted us to conduct tests with OS WinXP SP3.
We begin with a brief description of the graphics:
- ATI Radeon HD4730 – a beautiful video with an efficient and quiet cooler. Comes from the powerful video card HD4870, but unlike his bus is truncated double – from 256-bits to 128 bits only. Workflow processors are reduced from 800 to 640 (as in the HD4770 and HD4830). To our great joy, his memory remains GDDR5. An interesting fact is that the origin of the video evidence from two HD4870 video card options – the original version with a huge plate of half empty and two HD4870 anyone unnecessary power plug and later (pictured) reduced version;
- ATI Radeon HD4830 – expensive card based on completely faulty RV770, but with artificially low performance. Urgently video was created to fill the deficiency of mysteriously vanished HD4770, demonstrating fantastic for its price and performance, it almost killed the market for more expensive and would more powerful video cards. All tests with the HD4830 goes equally HD4770, because fast GDDR5 is offset by twice the 256-bit bus HD4830;
- ATI Radeon HD3850 – a modern classic that despite his age and not a small natural disappearance of the market parameters is robust and very good performance. PowerColor is the implementation of very high quality and beautiful, big and very effective cooler handle their task perhaps best of all cards tested today. Design and implementation of the card is 100% identical to that of our test AGP HD3850;

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ATI Radeon HD4730