AMD has released its latest graphics card ATI Redaon HD 4890. It comes with an 850 MHz core clock, memory clock at 975 MHz, 1 GB of GDDR5 memory and a maximum board power of 190 watts on a 55nm process technology, with an idle power consumption down 30% to 60 watts.
The full list of features is given below. It is expected to cost around $250 just like NVDIA GeForce GTX 275.
ATI Radeon HD 4890 specs:
- 956 million transistors on 55nm fabrication process
- PCI Express 2.0 x16 bus interface
- 256-bit GDDR5 memory interface
- Microsoft DirectX 10.1 support
- Shader Model 4.1
- Unified Superscalar Shader Architecture
- 800 stream processing units
+ Common instruction set and texture unit access supported for all types of shaders
+ Dedicated branch execution units and texture address processors
- Dynamic Geometry Acceleration
o Programmable tessellation unit
o Accelerated geometry shader path for geometry amplification
o Memory read/write cache for improved stream output performance
- OpenGL 3.0 supportATI Avivo HD Video and Display Platform
+ High definition (HD) playback of Blu-ray and HD DVD video
o Hardware DivX and MPEG-1 video decode acceleration
o ATI Avivo Video Post Processor
o Two independent display controllers
o Two integrated dual-link DVI display outputs
+ Each supports 18, 24, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)
+ Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content
o Two integrated 400 MHz 30-bit RAMDACs
+ Each supports analog displays connected by VGA at all resolutions up to 2048x1536
o DisplayPort output support
+ 24 and 30 bit displays at all resolutions up to 2560x1600
o HDMI output support
+ All display resolutions up to 1920x1080
+ Integrated HD audio controller with support for stereo and multi-channel (up to 7.1) audio formats, including AC-3, AAC, DTS5, enabling a plug-and-play audio solution over HDMI
o Integrated AMD Xilleon HDTV encoder
+ Provides high quality analog TV output (component/S-video/composite)
+ Supports SDTV and HDTV resolutions
+ Underscan and overscan compensation
o Seamless integration of pixel shaders with video in real time
o VGA mode support on all display outputs
- ATI PowerPlay Technology
o Performance-on-Demand
+ Constantly monitors GPU activity, dynamically adjusting clocks and voltage based on user scenario
- ATI CrossFireX Multi-GPU Technology
- PCI Express based PC is required with one X16 lane graphics slot available on the motherboard
- 500 Watt or greater power supply with two 75W 6-pin PCI Express power connectors recommended (600 Watt and four 6-pin connectors for ATI CrossFireX technology in dual mode)
- And of course at least $250
