The official debut of ATI Radeon HD 4770

 
April 28, 2009, 1:14 pm

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the official debut of ati radeon hd 4770   The company Advanced Micro Devices (AMD) has announced the withdrawal on the market a new desktop graphics adapter ATI Radeon HD 4770, which became the world`s first product of its kind manufactured in compliance with 40 -nm technology standards.
I must say that until this moment on the specifications of the solutions were known almost everything. Some uncertainty has arisen only in respect of the design used in the accelerator dvuhslotovoy active air cooling. Many partners AMD prepared to release their own version of ATI Radeon HD 4770, equipped with the same cooler, which in design is very different from what we saw at the official presentation slides.

Whatever the case, but in all cases, the heart of ATI Radeon HD 4770 is produced by 40-nm technology chip RV740 (826 million transistors), with 640 stream processors, 32 texture units and 16 units rasterizatsii (ROP).
video card itself is manufactured under the bus PCI Express 2. 0 x16, fitted with a rear panel removed two ports DVI and one HDTV-output, and also has on board 512 MB high-speed GDDR5 memory with a bandwidth 51, 2 Gb/s and 128-bit interface that operates at a frequency of 800 MHz, whereas Working as a graphic core frequency is 750 MHz.
It should be noted that the new ready to effective work on Windows 7, compatible with DirectX 10. 1 Shader Model 4. 1, supports HDMI, HDCP and 7. 1-channel audio, as well as friendly to technology ATI Stream Technology, ATI CrossFireX Multi-GPU Technology, ATI PowerPlay second generation, and ATI Avivo HD Technology with advanced integrated video Unified Video Decoder 2. Notably, at the maximum load power consumption debutant does not exceed the mark of 80 Watts.
At last, said that the level of performance, the developers put their offspring among the models, ATI Radeon HD 4670 and ATI Radeon HD 4850 (dogface strongly resembles ATI Radeon HD 4830), and they do not doubt that their creation is easy to bypass the main competitor in the person of NVIDIA GeForce 9800 GT (although it turned out, that can even compete with the NVIDIA GeForce GTS 250 !).
New already visited our laboratory and those who wish to learn much more about the new GPU, we recommend that you read the detailed review of the AMD Radeon HD 4770, which provides detailed test results in different graphic modes and comparison with the closest competitors.

 

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