As of today we have quite a lot of performance data on the HD7970 that will convince most of you to upgrade, if they are true of course…
Fudzilla.com posted two days ago something that might get you off your seat.
When compared to the HD 6970, the HD 7970 is around 50 percent faster in 3DMark 11 Extreme test. It scores around 2800 points while the HD 6970 can get up to around 1800 points. The HD 6990 scores around 3400 points in the same test, but according to our sources, HD 7970 is more than happy with a good OC that draws the card an inch away from the HD 6990. The previously reported 30ish percent was probably taken from 3DMark 11 Entry setting test where all the cards are closer in performance.
We were also told about the 3DMark 11 Performance setting performance that ends up on par with the HD 6990 but we aren’t sure if these are with or without OC.
And we allready saw the official HD7970 slide in which we can clearly see huge improvements in “tessellated areas”:


RED = Bandwidth – YELLOW = ROP Performance – BLUE = Texture Peformance – Green = Computing Power



The final picture that I have at this time is taken from Tweakers.net Forum(you should take a look for more interesting facts and photos) and compares HD6970 and GTX580 to HD7970 in 5 games: Deus Ex HR, DiRT 3, Crysis 2, Shogun and Civ 5, all at 2560×1200. The photo is presumable AMD official.

Despite how convincing graphs may look keep in mind that this might only be propaganda…
More Graphs




For more info download the AMD HD7970 Official Review Guide (PDF). Most of the graphs are taken from there…
Appendix 2: Benchmark Platform Configurations
All data and testing presented in this guide has been collected using one of two system configurations. All data, unless otherwise noted has been collected on the primary benchmark system below. AMD Eyefinity Technology data was collected on the second set of systems listed below.
To substantiate that the AMD Radeon™ HD 7970 delivers the Ultimate Visual Experience™ and stability for Windows 7®, the benchmarks included in this document have been run on the Windows 7® 64-bit with the latest critical updates as of Feb 04th 2011.
Primary Benchmark System
CPU – Intel Core i7 3960X (3.3GHz)
Motherboard – MSI X79A-GD65 8D
Memory – Corsair Vengeance (4x4GB) DDR3-1600 (9-9-9-24)
HDD – 1TB Seagate Barracuda 7200.11 (ST3100033AS) Display Dell 3007WFP-HC
Display Driver Version – AMD Radeon™ HD 7970 Press Driver (8.921.2), AMD Catalyst 11.11b Performance Driver,NVIDIA ForceWare 290.38 BETASecondary Benchmark System
CPU – AMD FX 8150 (3.6GHz)
Motherboard – Gigabyte 990FXA-UD3
Memory – Corsair Dominator 8GB (4x2GB) DDR3-1600 (9-9-9-24)
HDD – 1TB Seagate Barracuda 7200.11 (ST3100033AS)
Display Driver Version – AMD Radeon™ HD 7970 Press Driver (8.921.2), AMD Catalyst 11.11b Performance Driver, NVIDIA ForceWare 290.38 BETA
Official AMD HD7970 Specs
- Up to 925MHz Engine Clock
- 3GB GDDR5 Memory
- 1375MHz Memory Clock (5.5Gbps GDDR5)
- 264GB/s memory bandwidth (maximum)
- 3.79 TFLOPs Single Precision compute power
- 947 GFLOPs Double Precision compute power
- GCN Architecture
- 32 compute units (2048 Stream Processors)
- 128 Texture Units
- 128 Z/Stencil ROP Units
- 32 Color ROP Units
- Dual Geometry Engines
- Dual Asynchronous Compute Engines (ACE)
- PCI Express 3.0 x16 bus interface
- DirectX® 11-capable graphics
- 9th generation programmable hardware tessellation units
- Shader Model 5.0
- DirectCompute 11
- Accelerated multi-threading
- HDR texture compression
- Order-independent transparency
- OpenGL 4.2 support
- Partially Resident Textures (PRT)
- Ultra-high resolution texture streaming
- Partially Resident Textures (PRT)
- Image quality enhancement technology
- Up to 24x multi-sample and super-sample anti-aliasing modes
- Adaptive anti-aliasing
- Morphological Anti-Aliasing (MLAA)
- DirectX® 10/11 Super-Sample Anti-Aliasing (SSAA)
- 16x angle independent anisotropic texture filtering
- 128-bit floating point HDR rendering
- AMD Eyefinity multi-display technology1
- Up to 6 displays supported with DisplayPort 1.2 Multi-Stream Transport
- Independent resolutions, refresh rates, color controls, and video overlays
- Display grouping
- Combine multiple displays to behave like a single large display
- AMD App Acceleration2
- OpenCL 1.2 Support
- Microsoft C++ AMP
- DirectCompute 11
- Double Precision Floating Point
- AMD HD Media Accelerator
- Universal Video Decoder (UVD)
- H.264
- VC-1
- MPEG-2 (SD & HD)
- MVC (Blu-ray 3D)
- MPEG-4 Part 2 (DivX/Xvid)
- Adobe Flash
- DXVA 1.0 & 2.0 support
- Enhanced Video Quality features
- Advanced post-processing and scaling
- Deblocking
- Denoising
- Automatic deinterlacing
- Mosquito noise reduction
- Edge enhancement
- 3:2 pulldown detection
- Advanced video color correction
- Brighter whites processing (Blue Stretch)
- Independent video gamma control
- Flesh tone correction
- Color vibrance control
- Dynamic contrast
- Dynamic video range control
- Advanced post-processing and scaling
- Universal Video Decoder (UVD)
- AMD HD3D technology4
- Stereoscopic 3D display/glasses support
- Blu-ray 3D support
- Stereoscopic 3D gaming
- 3rd party Stereoscopic 3D middleware software support
- AMD CrossFire™ multi-GPU technology5
- Dual, triple or quad-GPU scaling
- Cutting-edge integrated display support
- DisplayPort 1.2
- Max resolution: 4096×2160 per display
- Multi-Stream Transport
- 21.6 Gbps bandwidth
- High bit-rate audio
- Quad HD/4k video support
- 3GHz HDMI 1.4a with Stereoscopic 3D Frame Packing Format, Deep Color, xvYCC wide gamut support, and high bit-rate audio
- Max resolution: 4096×3112
- 1080p60 Stereoscopic 3D
- Quad HD/4k video support
- Dual-link DVI with HDCP
- Max resolution: 2560×1600
- VGA
- Max resolution: 2048×1536
- DisplayPort 1.2
- 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
- AMD PowerPlay™ power management technology3
- Automatic power management with low power idle states
- AMD PowerTune technology3
- Intelligent TDP management technology
- Dynamic clockspeed/performance enhancement for games
- AMD ZeroCore Power3
- Ultra-low idle power when the system’s display is off
- Secondary GPUs in an AMD CrossFire™ configuration power down when unneeded
- AMD Catalyst™ graphics and HD video configuration software
- Software support for Windows 7, Windows Vista, and Windows XP
- AMD Catalyst™ Control Center – AMD Catalyst™ software application and user interface for setup, configuration, and accessing features of AMD Radeon products
- Unified Graphics display driver – AMD Catalyst™ software enabling other PC programs and devices to use advanced graphics, video, and features of AMD Radeon™ products



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