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Written by Bruce Normann   
Monday, 10 January 2011
Table of Contents: Page Index
PowerColor Radeon HD 6870 PCS+ Video Card
Closer Look: PowerColor PCS HD 6870
PowerColor PCS HD 6870 Detailed Features
Features and Specifications
Video Card Testing Methodology
DX10: 3DMark Vantage
DX10: Crysis
DX10: Just Cause 2
DX9 SSAO: Mafia II
DX11: Aliens vs. Predator
DX11: Battlefield: Bad Company 2
DX11: DiRT-2 Demo
DX11: H.A.W.X. 2
DX11: Lost Planet 2
DX11: METRO 2033
DX11: Unigine Heaven 2.1
PowerColor PCS HD 6870 Temperatures
VGA Power Consumption
AMD Radeon HD 6870 Final Thoughts
PowerColor PCS HD 6870 Conclusion

AMD Radeon HD 6870 GPU Features

The AMD Radeon HD 6870 GPU contained in the PowerColor HD 6870 PCS+ video card has all of the major technologies that the Radeon 5xxx cards have had since last September. AMD has added several new features, however. The most important ones are: the new Morphological Anti-aliasing, the two DisplayPort 1.2 connections that support four monitors between them, 3rd generation UVD video acceleration, and AMD HD3D technology. In case you are just starting your research for a new graphics card, here is the complete list of standard GPU features, as supplied by AMD:

AMD-Radeon-Graphics-Logo-250px.jpg

AMD RadeonTM 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
    • 1120 Stream Processors
    • 56 Texture Units
    • 128 Z/Stencil ROP Units
    • 32 Color ROP Units
  • PCI Express 2.1 x16 bus interface
  • "Eye-Definition" graphics
    • DirectX 11 support
      • Shader Model 5.0
      • DirectCompute 11
      • Programmable hardware tessellation unit
      • Accelerated multi-threading
      • HDR texture compression
      • Order-independent transparency
    • OpenGL 4.1 support
    • 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
    • Independent resolutions, refresh rates, color controls, and video overlays
    • Display grouping
      • Combine multiple displays to behave like a single large display
  • AMD EyeSpeed visual acceleration2
    • AMD Accelerated Parallel Processing (APP) technology3,4
      • OpenCL 1.1
      • DirectCompute 11
      • Accelerated video encoding, transcoding, and upscaling
    • 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
    • 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
    • Dual-stream HD (1080p) playback support
    • DXVA 1.0 & 2.0 support
  • AMD HD3D technology5
    • Stereoscopic 3D display/glasses support
    • Blu-ray 3D support
    • Stereoscopic 3D gaming
    • 3rd party Stereoscopic 3D middleware software support
  • AMD CrossFireXTM multi-GPU technology6
    • Dual GPU scaling
  • Cutting-edge integrated display support
    • DisplayPort 1.2
      • Max resolution: 2560x1600 per display
      • Multi-Stream Transport
      • 21.6 Gbps bandwidth
      • High bit-rate audio
    • HDMI 1.4a with Stereoscopic 3D Frame Packing Format, Deep Color, xvYCC wide gamut support, and high bit-rate audio
      • Max resolution: 1920x1200
    • Dual-link DVI with HDCP
      • Max resolution: 2560x1600
    • VGA
      • Max resolution: 2048x1536
  • Integrated HD audio controller
    • Output protected high bit rate 7.1 channel surround sound over HDMI or DisplayPort with no additional cables required
    • Supports AC-3, AAC, Dolby TrueHD and DTS Master Audio formats
  • AMD PowerPlayTM power management technology4
    • Dynamic power management with low power idle state
    • Ultra-low power state support for multi-GPU configurations
  • AMD CatalystTM graphics and HD video configuration software
    • Unified graphics display drivers
      • Certified for Windows 7, Windows Vista, and Windows XP
    • AMD Catalyst Control CenterTM
      • Software application and user interface for setup, configuration, and accessing special features of AMD Radeon products

Now, here are the usual disclaimers:

2010 Advanced Micro Devices, Inc. All rights reserved. AMD, the AMD Arrow logo, Catalyst, CrossFireX, PowerPlay, Radeon and combinations thereof are trademarks of Advanced Micro Devices, Inc. Microsoft, Windows, Windows Vista, and DirectX are registered trademarks of Microsoft Corporation in the U.S. and/or other jurisdictions. PCI Express is a registered trademark of PCI-SIG. Other names are for informational purposes only and may be trademarks of their respective owners.

Additional hardware (e.g. Blu-ray drive, HD or 10-bit monitor, TV tuner) and/or software (e.g. multimedia applications) are required for the full enablement of some features. Not all features may be supported on all components or systems - check with your component or system manufacturer for specific model capabilities and supported technologies.

  1. AMD Eyefinity technology works with games that support non-standard aspect ratios, which is required for panning across multiple displays. To enable more than two displays, additional panels with native DisplayPortTM connectors, and/or DisplayPortTM compliant active adapters to convert your monitor's native input to your cards DisplayPortTM or Mini-DisplayPortTM connector(s), are required. SLS ("Single Large Surface") functionality requires an identical display resolution on all configured displays.
  2. AMD EyeSpeed is a set of technologies designed to improve video quality and enhance application performance. Full enablement of some features requires support for AMD Accelerated Parallel Processing (APP) technology and/or AMD's Universal Video Decoder (UVD).
  3. AMD PowerPlayTM and AMD Accelerated Parallel Processing (APP) are technology platforms that include a broad set of capabilities offered by certain AMD RadeonTM HD GPUs. Not all products have all features and full enablement of some capabilities and may require complementary products.
  4. Requires application support for AMD Accelerated Parallel Processing (APP) technology. AMD Accelerated Parallel Processing technology works with applications designed to take advantage of its GPU acceleration capabilities.
  5. AMD HD3D is a technology designed to enable stereoscopic 3D support in games, movies and/or photos. Requires 3D stereo drivers, glasses, and display.
  6. AMD CrossFireXTM technology requires an AMD CrossFireX Ready motherboard, an AMD CrossFireXTM Bridge Interconnect (for each additional graphics card) and may require a specialized power supply.

AMD Radeon HD 6870 GPU Detail Specifications

PowerColor_HD_6870_PCS_Video_Card_AMD_Chip_Logo_01.jpg

GPU Engine Specs for PowerColor HD 6870 PCS+:

  • Fabrication Process: TSMC 40nm Bulk CMOS
  • Die Size: 255mm2
  • No. of Transistors: 1.7 Billion
  • SIMD Engines: 14
  • Stream Processors: 1120
  • Texture Units: 56
  • ROP Units: 32
  • Engine Clock Speed: 940 MHz
  • Texel Fill Rate (bilinear filtered): 52.6 Gigatexels/sec
  • Pixel Fill Rate: 30.1 Gigapixels/sec
  • Maximum board power: 151 Watts
  • Minimum board power: 19 Watts

Memory Specs:

  • Memory Clock: 1110 MHz - DDR
  • Memory Configurations: 1 GB GDDR5
  • Memory Interface Width: 256-bit
  • Memory Data Rate: 4.4 Gbps
  • Memory Bandwidth: 140.8 GB/sec

Display Support:

  • Maximum DVI Resolution: 2560x1600
  • Maximum VGA Resolution: 2048x1536
  • Maximum Display Output: 4x - 1920x1200
  • Standard Display Connectors:
    • One Dual-Link DVI
    • One Single-Link DVI
    • One Mini HDMI v1.4a
    • Two Mini Display Port v1.2

Standard Graphics Card Dimensions:

  • Height: 115 mm
  • Length: 245 mm
  • Width: 35 mm (Dual-slot)

Source: AMD.com and PowerColor.com

Now that we've had the grand tour of the PowerColor PCS+ HD 6870, inside and out, it's time to put it to the test. Well, Benchmark is our first name, so don't worry. There are a wide variety of tests waiting for you in the next several sections, including some new entries. Let's start off with a complete description of the Video Card Testing Methodology.



 

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