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Selasa, 30 November 2010

Radeon HD 6870 Review,Product development,Feature,Price,Image

Radeon HD 6870 Review,Product development,Feature,Price,Image

It’s been 11 months since ATI last launched a new range of GPUs, and since then the graphics worlds has a distinctly red tinge to it rather than the green we’ve been so used to seeing. With Nvidia late to deliver a DX11 GPU, ATI had the market to itself and shipped 25 million DX11-compatible GPUs to gain first place in the discreet GPU market share. ATI has made considerable inroads in both the number of people using Radeon graphics cards and the number of game development houses using its hardware to optimise and tune their games.

The latter is a considerable victory for ATI, as the more games studios you work with, the more they’ll implement great ways of using your GPU’s features and architecture and the more stable your drivers should be. The HD 6000-series can therefore be seen as ATI’s tricky follow-up – there’s a lot at stake, meaning that ATI could either be really dominant in six months’ time, or drop the ball for Nvidia to pick up.

AMD Radeon™ HD 6870 GPU Feature Summary:

* 900MHz Engine Clock
* 1GB GDDR5 Memory
* 1050MHz Memory Clock (GDDR5)
* 134.4 Gbps memory bandwidth (maximum)
* 2 TFLOPs compute power
* Double slot form factor
* TeraScale 2 Unified Processing Architecture
o 1120 Stream Processors
o 56 Texture Units
o 128 Z/Stencil ROP Units
o 32 Color ROP Units
* PCI Express® 2.1 x16 bus interface
* "Eye-Definition" graphics
o DirectX® 11 support
+ Shader Model 5.0
+ DirectCompute 11
+ Programmable hardware tessellation unit
+ Accelerated multi-threading
+ HDR texture compression
+ Order-independent transparency
o OpenGL 4.1 support
o Image quality enhancement technology
+ Up to 24x multi-sample and super-sample anti-aliasing modes
+ Adaptive anti-aliasing
+ Morphological anti-aliasing (MLAA)
+ 16x angle independent anisotropic texture filtering
+ 128-bit floating point HDR rendering
* AMD Eyefinity multi-display technology1
o Independent resolutions, refresh rates, color controls, and video overlays
o Display grouping
+ Combine multiple displays to behave like a single large display
* AMD EyeSpeed visual acceleration2
o AMD Accelerated Parallel Processing (APP) technology3,4
+ OpenCL 1.1
+ DirectCompute 11
+ Accelerated video encoding, transcoding, and upscaling
o UVD 3 dedicated video playback accelerator
+ MPEG-4 AVC/H.264
+ VC-1
+ MPEG-2 (SD & HD)
+ Multi-View Codec (MVC)
+ MPEG-4 part 2 (DivX, Xvid)
+ Adobe Flash
o Enhanced Video Quality features
+ Advanced post-processing and scaling
+ Dynamic contrast enhancement and color correction
+ Brighter whites processing (Blue Stretch)
+ Independent video gamma control
+ Dynamic video range control
o Dual-stream HD (1080p) playback support
o DXVA 1.0 & 2.0 support




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