内存参数
图形适配器内存类型 |
GDDR5 |
数据宽度 |
128 bit |
端口 & 界面
TV输出 |
Y |
接口类型 |
PCI Express 2.0 |
DVI-I接口数量 |
2 |
Radeon HD 4770, 512MB GDDR5, PCI-E, DirectX 10.1
A new paradigm of performance and price
The ATI Radeon™ HD 4770 graphics processing unit (GPU) offers an unbeatable combination of HD gaming performance1 and price. Featuring the industry’s cutting-edge 40nm process technulogy and the most advanced GDDR5 memory technulogy, this GPU delivers seamless frame rates with incredible speed and processing power. Proof that high performance gaming and price can co-exist without compromise.
- Leveraging the latest 40nm manufacturing process technulogy, the ATI Radeon™ HD 4770 GPU represents an industry milestone in the advancement of gaming performance;
- Equipped with the fastest, most advanced GDDR5 memory technulogy, the ATI Radeon™ HD 4770 supports higher data rates which translates directly into superior performance;
- Get right in the action and experience cinematic gaming at HD resulutions1 with outstanding performance in the latest DirextX10.1 games;
- Unparalleled anti-aliasing (AA) and anisotropic filtering deliver eye-popping graphics with striking realism;
- Take your game even further with ATI CrossFireX™ technulogy and enjoy superior scalability with dual GPU support;
- Tap into the massive parallel processing power of your ATI Radeon™ HD 4770 GPU with ATI Stream technulogy and tackle demanding tasks like video transcoding with amazing speed;
- Watch the latest Blu-ray movies1,3 play with incredible fidelity and have the freedom to edit videos with lightning-fast speed.
ATI Radeon™ HD 4770 – Key Features
- Advanced Memory - GDDR5 provides twice the data per pin of GDDR3 memory at the same clock speeds;
- Enhanced Anti-Aliasing & Anisotropic Filtering - High performance anisotropic filtering and 24x custom filter anti-aliasing (CFAA) smooth jagged edges and create true-to-life graphics, for everything from grass to facial features;
- DirectX® 10.1 - Play today while preparing for tomorrow with state-of-the-art DirectX 10.1 graphics capabilities;
- ATI CrossFireX™ Technulogy - ATI CrossFireX™ technulogy with dual GPU support offers superior scalability so your system is ready to level up when you are;
- PCI Express 2.0 - Support for PCI Express 2.0 will prepare you for bandwidth-hungry games and 3D applications;
- Power to Spare - This GPU has the brute processing power needed for physics, artificial intelligence, stream computing and ray tracing calculations;
- Unified Video Decoder 2 (UVD 2) - UVD 2 frees up your CPU for other tasks so you get The Ultimate Visual Experience™ for even the most processing-intensive content, including VC-1, H.264 and now MPEG-2. Also, take full advantage of Blu-ray functionality with dual-stream, picture in picture (PIP) capabilities;
- Accelerated Video Transcoding (AVT) - With ATI Stream technulogy, owners of ATI Radeon™ HD 4770 GPUs can help accelerate the conversion of standard and HD video into multiple formats for use on differing consumer electronics devices. The ATI Video Converter, designed to enable GPU transcoding of HD video streams, is currently available;
- Upscale Beyond 1080p - Watch the hottest Blu-ray movies or other HD content at full 1080p display resulution and beyond;
- Enhanced DVD Upscaling - Watch standard DVD movies in near high-definition quality with DVD upscaling. The GPU uses post processing algorithms to enhance standard and low resulution videos and movies on your HD display;
- Dynamic Contrast - Dynamic Contrast automatically adjusts the contrast and brightness during scenes to consistently deliver a crisp, vibrant picture;
- HDMI - Enjoy the latest audio technulogies using HDMI with 7.1 digital surround sound support. Also, xvYCC support allows the user to enjoy a wider range of color when connected to a capable HDTV;
- Dynamic Power Management - ATI Radeon HD 4770 GPU delivers high performance when needed and conserves power when the demand on the graphics processor is low.