Sapphire HD4870 Review
ajmatson - July 23, 2008» Discuss this article (9)
Lowest Prices
Specifications:
|
GPU
|
RV770
|
|
Fabrication Process
|
55nm
|
|
Graphics Clock
|
750 MHz
|
| Memory Clock | 900 MHz / 3600MHz effective |
| Memory Interface | 256-bit |
| Memory Size |
512MB
|
|
Memory Type
|
GDDR5
|
|
RAMDACs
|
400 MHz
|
|
Stream Processors
|
800
|
|
HDCP Support
|
Yes
|
|
HDMI Support
|
Yes (Using DVI-to-HDMI adaptor)
|
| Connectors | 2 x dual-link DVI-I 1 x S-Video Out |
| Bus Technology | PCI Express 2.0 |
| Form Factor | Dual Slot Design |
| Power Connectors | 2 x 6-pin |
Features:
- 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™ Technology
ATI CrossFireX™ technology with up to quad 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
Unified Video Decoder 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. - Upscale Beyond 1080p
Watch the hottest Blu-ray movies or other HD content at full 1080p display resolution and beyond. - On-chip HDCP
On-chip HDCP (High-Bandwidth Digital Content Protection) makes life easier by allowing you to playback HDCP protected content.** - HDMI
Enjoy the latest audio technologies 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. - ATI PowerPlay™ Technology
ATI PowerPlay™ Technology delivers high performance when needed and conserves power when the demand on the graphics processor is low. - Energy Efficient Manufacturing Process
Second generation 55nm chip uses the industry's most energy efficient manufacturing process.

