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Posts Tagged ‘rv770’


MSI Radeon HD 4850 Review

Be the first to comment - What do you think?  Posted by JeGX - 2008/08/05 at 09:27

Categories: Graphics Cards   Tags: , , , , , ,

FiringSquad has reviewed the MSI’s Radeon HD 4850 that runs significantly cooler than ATI’s stock Radeon 4850 reference design. To reach that goal and offer maximum cooling performance, MSI uses four copper heatpipes for cooling the RV770 GPU. With their copper design, the heatpipes are capable pulling quite a bit of heat off the GPU. This heat must then be dispersed in order to prevent the heatpipes themselves from becoming a hotspot on the graphics card. To accomplish this, MSI employs a dual-slot aluminum heatsink.

Main features of the Radeon HD 4850:
- GPU: RV770
- 800 stream processors
- ROPs: 16
- Transistors: 956 million
- Memory: 512Mb GDDR3 256-bit
- core clock: 625MHz
- memory clock: 1.0GHz
- DirectX 10 / Shader Model 4.1
- OpenGL 2.1

Read the complete review here: MSI R4850 512M Review


The weird thing is FiringSqaud has used the Catalyst 7.7 to test this Radeon. Mistake???

More reviews on the Radeon HD 4850: Radeon HD 4850 reviews @ Geeks3D


ATI will slow down GPU development

Be the first to comment - What do you think?  Posted by JeGX - 2008/07/27 at 10:47

Categories: Industry News   Tags: , , ,

AMD is looking to master 45nm with its GPUs first of all and further improve its multi-GPU design, before doing anything radical. The RV870 will be faster than RV770, but don’t expect the same jump we saw when moving from RV670 to RV770.
-source-


Radeon HD 4870 X2 2048Mb – R700 Preview

Be the first to comment - What do you think?  Posted by JeGX - 2008/07/21 at 10:24

Categories: Graphics Cards   Tags: , , , ,

The new ATI’s flagship graphics card previewed at Guru3D. The Radeon HD 4870 X2 is based on the R700 GPU (actually two RV770). Like the GeForce GTX 280, the Radeon HD 4870 X2 uses one 6-pin PCIe power connector and one 8-pin connector.

Read the complete preview HERE.


Related Links:
- Radeon HD 4870 X2 Preview @ pcper.com
- R700: First previews of the HD 4870 X2 @ pcghx.com


Sapphire Radeon HD 4850 Video Card review

Be the first to comment - What do you think?  Posted by JeGX - 2008/07/05 at 19:31

Categories: Graphics Cards   Tags: , , , , ,

Sapphire has always offered the most influential ATI graphics products available, and the new Radeon HD 4850 is no different. Although it still uses GDDR3 clocked at 993 (1986 MHz DDR), unlike the 4870 version that is decked out with GDDR5, the Sapphire 100242L model offers 24x custom filter anti-aliasing (CFAA) on its 625 MHz 800-core RV770 GPU. Benchmark Reviews tests the Sapphire Radeon HD 4850 graphics card against the closest competition, and even compare CrossFireX performance in this performance review.

Read the full review HERE.


AMD Radeon HD 4870 / 4850 Architecture

Be the first to comment - What do you think?  Posted by JeGX - 2008/06/25 at 17:54

Categories: Graphics Cards   Tags: , , , , , ,

[English]
The french website hardware.fr has just released a huge article (23-page) on the architecture of the Radeon HD 4870 and 4850. Currently this article is in french only but should be translated soon in english.

Read the full article HERE.
[/English]

[French]
Hardware.fr vient tout juste de sortir un énorme dossier sur l’analyse détaillée des Radeon HD 4870 et 4850. Un must-to-read pour tous les graphics geeks que nous sommes!

Les 23 pages du dossier sont disponible ICI.
[/French]


-source-


ATi RV770 – Architecture Overview

Be the first to comment - What do you think?  Posted by JeGX - at 15:40

Categories: Graphics Cards   Tags: , , , ,

Rage3D has published an article about the architecture of the RV770, the latest GPU from ATI.

Reag the complete article HERE.

As an opener to our launch day coverage, we’ll be taking a plunge into the RV770 and seeing what what is new, what has changed, what stays the same (quickie note: not much) and how it all fits together. We’ll be following pretty much the same structure that Scott Hartog, chief architect for the RV770 series, used in his presentation of the architecture, as it nicely flows from one aspect of the new chip to another, using Richard Huddy’s R600 architecture overview for comparisons and underlining the differences between chips. We’ll also check and see if we can actually achieve the theoretical numbers using a number of synthetic tests … don’t worry, the whole gaming enchilada will soon follow, we haven’t lost our focus.


AMD HD 4850 – RV770 GPU die shot

Be the first to comment - What do you think?  Posted by JeGX - 2008/06/06 at 08:31

Categories: Graphics Cards   Tags: , , , , ,

bit-tech.net took some photos of a Radeon HD 4850 graphics card at Computex 2008:


More pitures HERE.


AMD/ATI RV770 vs. NVIDIA G92-R700

Be the first to comment - What do you think?  Posted by JeGX - 2008/05/30 at 08:52

Categories: Graphics Cards   Tags: , , , , ,

Some slides from Tom’s.


GT200 and RV770 specifications

Be the first to comment - What do you think?  Posted by JeGX - 2008/05/28 at 14:24

Categories: Graphics Cards   Tags: , , ,


-source-


ATI Radeon 4800 launch details

Be the first to comment - What do you think?  Posted by JeGX - 2008/05/15 at 17:41

Categories: Graphics Cards   Tags: , ,

TG Daily has published an article about the details of the upcoming ATI Radeon 4800 series.

In terms of performance, we heard some interesting claims. A 4870 should perform on par with or better than a dual-chip 3870 X2. Our sources explained to us that using a PCIe Gen1 controller 3870 X2 was a mistake, since the board was hungry for data and didn’t sync well with this interface. Don’t expect the ATI team to repeat that mistake with the 4870 X2. However, we admit that we have no idea what kind of connection two RV770 GPUs will have.


[English]RV770 will be launched on June 18[/English][French]Le RV770 sera lancé le 18 Juin[/French]

Be the first to comment - What do you think?  Posted by JeGX - at 17:14

Categories: Graphics Cards   Tags: , , ,

[English]
The Radeon HD 4850 powered by the RV770PRO GPU will be launched on June 18 and the Radeon HD 4870 (RV770XT) is delayed on June 25.
[/English]

[French]
La Radeon HD 4850 propulsée par le GPU RV770PRO sera lancée le 18 Juin tandis que la Radeon HD 4870 est retardée jusqu’au 25 Juin.
[/French]

Source: VR-Zone.

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