Graphics Engine : ATI RADEON HD 5870
Bus Standard : PCI Express 2.0
Video memory : GDDR5 2GB
Core Clock : 850 MHz
Memory Clock : 4.8GHz (1200X 4)
Memory interface : 256 bit
Shader : 1600(Unified)
Resolution Max : 2560 x 1600
Video Out Function : 6x mini Display Port
HDCP/HDTV/HDMI : Yes, Yes, Yes

SPECIFICATION
- 2.15 billion 40nm transistors
- TeraScale 2 Unified Processing Architecture
 - 1600 Stream Processing Units
 - 80 Texture Units
 - 128 Z/Stencil ROP Units
 - 32 Color ROP Units
- GDDR5 interface with 153.6 GB/sec of memory bandwidth
- PCI Express 2.1 x16 bus interface
- DirectX® 11 support
 - Shader Model 5.0
 - DirectCompute 11
 - Programmable hardware tessellation unit
 - Accelerated multi-threading
 - HDR texture compression
 - Order-independent transparency
- OpenGL 3.2 support
-  Image quality enhancement technology
 - Up to 24x multi-sample and super-sample anti-aliasing modes
 - Adaptive anti-aliasing
 - 16x angle independent anisotropic texture filtering
 - 128-bit floating point HDR rendering
- ATI Eyefinity multi-display technology1
 - Six independent display controllers
  - Drive up to six displays simultaneously with independent resolutions, refresh rates, color controls, and video overlays
 - Display grouping1
  - Combine multiple displays to behave like a single large display2 
 -  Bezel Compensation3
-  ATI Stream acceleration technology
 - OpenCL 1.0 compliant4
 - DirectCompute 11
 - Double precision floating point processing support
 - Accelerated video encoding, transcoding, and upscaling5,6
  - Native support for common video encoding instructions
- ATI CrossFireX™ multi-GPU technology7
 - Dual, triple, and quad GPU scaling
 - Dual-channel bridge interconnect
- ATI Avivo HD Video & Display technology8
 - UVD 2 dedicated video playback accelerator
 - Advanced post-processing and scaling9
 - Dynamic contrast enhancement and color correction
 - Brighter whites processing (blue stretch)
 - Independent video gamma control
 - Dynamic video range control
 - Support for H.264, VC-1, MPEG-2 and Adobe Flash10
 - Dual-stream 1080p playback support11,12
 - DXVA 1.0 & 2.0 support
 - Integrated dual-link DVI output with HDCP13
  - Max resolution: 2560x160014
 - Integrated DisplayPort output
  - Max resolution: 2560x160014
 - Integrated HDMI 1.3 output with Deep Color, xvYCC wide gamut support, and high bit-rate audio
  - Max resolution: 1920x120014
 - Integrated VGA output
  - Max resolution: 2048x153614
 - 3D stereoscopic display/glasses support15
 - Integrated HD audio controller
  - Output protected high bit rate 7.1 channel surround sound over HDMI with no additional cables required
  - Supports AC-3, AAC, Dolby TrueHD and DTS Master Audio formats
- ATI PowerPlay™ power management technology8
 - Dynamic power management with low power idle state
 - Ultra-low power state support for multi-GPU configurations
- Certified drivers for Windows 7, Windows Vista, and Windows XP

Speeds & Feeds
- Engine clock speed: 850 MHz
- Processing power (single precision): 2.72 TeraFLOPS
- Processing power (double precision): 544 GigaFLOPS
- Polygon throughput: 850M polygons/sec
- Data fetch rate (32-bit): 272 billion fetches/sec
- Texel fill rate (bilinear filtered): 68 Gigatexels/sec
- Pixel fill rate: 27.2 Gigapixels/sec
- Anti-aliased pixel fill rate: 108.8 Gigasamples/sec
- Memory clock speed: 1.2 GHz
- Memory data rate: 4.8 Gbps
- Memory bandwidth: 153.6 GB/sec
- Maximum board power: 228 Watts
- Idle board power: 34 Watts
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