ATI Radeon HD5770 VS HD5750 and with CrossFireX VS Geforce GTX 260 Review and Benchmark test
Lets begin with the features and specifications of each card :
ATI Radeon™ HD 5770
ATI Radeon™ HD 5770 Graphics Features and Specifications :
Features and Benefits:
- Get unrivalled visual quality and intense gaming performance and for today and tomorrow with support for Microsoft® DirectX® 11
- With ATI Eyefinity technology get the ultimate immersive gaming experience innovative ‘wrap around’ multi-display capabilities
- Tap
into the massive parallel processing power of your GPU with ATI Stream
technology and tackle demanding tasks like video transcoding with
incredible speed
- Experience the speed, responsiveness and performance of ultra-high bandwidth GDDR5 memory
- ATI CrossFireX™ technology in dual-mode offers advanced scalability
ATI Radeon™ HD 5770 GPU reference graphics Specifications
* 1.04 billion 40nm transistors
* TeraScale 2 Unified Processing Architecture
o 800 Stream Processing Units
o 40 Texture Units
o 64 Z/Stencil ROP Units
o 16 Color ROP Units
* GDDR5 memory interface
* PCI Express 2.1 x16 bus interface
* DirectX® 11 support
o Shader Model 5.0
o DirectCompute 11
o Programmable hardware tessellation unit
o Accelerated multi-threading
o HDR texture compression
o Order-independent transparency
* OpenGL 3.2 support1
* Image quality enhancement technology
o Up to 24x multi-sample and super-sample anti-aliasing modes
o Adaptive anti-aliasing
o 16x angle independent anisotropic texture filtering
o 128-bit floating point HDR rendering
* ATI Eyefinity multi-display technology2,3
o Three independent display controllers
+ Drive three displays simultaneously with independent resolutions, refresh rates, color controls, and video overlays
o Display grouping
+ Combine multiple displays to behave like a single large display
* ATI Stream acceleration technology
o OpenCL 1.0 compliant
o DirectCompute 11
o Accelerated video encoding, transcoding, and upscaling4,5
+ Native support for common video encoding instructions
* ATI CrossFireX™ multi-GPU technology6
o Dual GPU scaling
* ATI Avivo HD Video & Display technology7
Speeds and Feeds
* Engine clock speed: 850 MHz
* Processing power (single precision): 1.36 TeraFLOPS
* Polygon throughput: 850M polygons/sec
* Data fetch rate (32-bit): 136 billion fetches/sec
* Texel fill rate (bilinear filtered): 34 Gigatexels/sec
* Pixel fill rate: 13.6 Gigapixels/sec
* Anti-aliased pixel fill rate: 54.4 Gigasamples/sec
* Memory clock speed: 1.2 GHz
* Memory data rate: 4.8 Gbps
* Memory bandwidth: 76.8 GB/sec
* Maximum board power: 108 Watts
* Idle board power: 18 Watts
ATI Radeon™ HD 5750
ATI Radeon HD 5750 Graphics
Features and Specifications :

ATI Radeon HD 5750 Features and Benefits
- Get unrivalled visual quality and intense gaming performance and for today and tomorrow with support for Microsoft® DirectX® 11
- With ATI Eyefinity technology get the ultimate immersive gaming experience innovative 'wrap around' multi-display capabilities
- Tap
into the massive parallel processing power of your GPU with ATI Stream
technology and tackle demanding tasks like video transcoding with
incredible speed2,5
- Experience the speed, responsiveness and performance of ultra-high bandwidth GDDR5 memory
- ATI CrossFireX™ technology in dual-mode offers advanced scalability
ATI Radeon HD 5750 GPU reference graphics Specifications:
* 1.04 billion 40nm transistors
* TeraScale 2 Unified Processing Architecture
o 720 Stream Processing Units
o 36 Texture Units
o 64 Z/Stencil ROP Units
o 16 Color ROP Units
* GDDR5 memory interface
* PCI Express 2.1 x16 bus interface
* DirectX® 11 support
o Shader Model 5.0
o DirectCompute 11
o Programmable hardware tessellation unit
o Accelerated multi-threading
o HDR texture compression
o Order-independent transparency
* OpenGL 3.2 support1
* Image quality enhancement technology
o Up to 24x multi-sample and super-sample anti-aliasing modes
o Adaptive anti-aliasing
o 16x angle independent anisotropic texture filtering
o 128-bit floating point HDR rendering
* ATI Eyefinity multi-display technology2,3
o Three independent display controllers
+ Drive three displays simultaneously with independent resolutions, refresh rates, color controls, and video overlays
o Display grouping
+ Combine multiple displays to behave like a single large display
* ATI Stream acceleration technology
o OpenCL 1.0 compliant
o DirectCompute 11
o Accelerated video encoding, transcoding, and upscaling4,5
* ATI CrossFireX™ multi-GPU technology6
o Dual GPU scaling
* ATI Avivo™ HD Video & Display technology7
Speeds and Feeds
* Engine clock speed: 700 MHz
* Processing power (single precision): 1.008 TeraFLOPS
* Polygon throughput: 700M polygons/sec
* Data fetch rate (32-bit): 100.8 billion fetches/sec
* Texel fill rate (bilinear filtered): 25.2 Gigatexels/sec
* Pixel fill rate: 11.2 Gigapixels/sec
* Anti-aliased pixel fill rate: 44.8 Gigasamples/sec
* Memory clock speed: 1.15 GHz
* Memory data rate: 4.6 Gbps
* Memory bandwidth: 73.6 GB/sec
* Maximum board power: 86 Watts
* Idle board power: 16 Watts
GeForce GTX 260
GeForce GTX 260 Features and Specifications :
Get pulled deeper into the gaming experience and HD video than ever
before with the NVIDIA® GeForce® GTX 260 GPU. With this GPU, both
performance and immersion are absolute.
GeForce GTX 260 Features & Benefits
- 2nd Generation NVIDIA Unified Architecture: Second
generation architecture delivers up to 50% more gaming performance over
the first generation through 192 enhanced processing cores that provide
incredible shading horsepower.
- NVIDIA PhysX™-Ready1: GeForce GPU support for
NVIDIA PhysX technology, enabling a totally new class of physical
gaming interaction for a more dynamic and realistic experience with
GeForce.
- 3-way NVIDIA SLI® Technology2: Industry leading
3-way NVIDIA SLI technology offers amazing performance scaling by
implementing 3-way AFR (Alternate Frame Rendering) for the world’s
fastest gaming solution under Windows Vista with solid,
state-of-the-art drivers.
- NVIDIA CUDA™ Technology3: CUDA technology unlocks
the power of the GPU’s processing cores to accelerate the most
demanding system tasks – such as video encoding – delivering up to 7x
performance over traditional CPUs.
- NVIDIA PureVideo® HD Technology4 The combination
of high-definition video decode acceleration and post-processing that
delivers unprecedented picture clarity, smooth video, accurate color,
and precise image scaling for movies and video.
- NVIDIA HybridPower™ Technology5 Lets you switch
from the GeForce GTX 260 graphics card to the motherboard GeForce GPU
when running non graphically-intensive applications for a quiet, low
power PC experience.
GeForce GTX 260 reference GPU Specifications:
GPU Engine Specs:
| CUDA Cores | 192 |
| Graphics Clock (MHz) | 576 MHz |
| Processor Clock (MHz) | 1242 MHz |
| Texture Fill Rate (billion/sec) | 36.9 |
Memory Specs:
| Memory Clock (MHz) | 999 |
| Standard Memory Config | 896 MB |
| Memory Interface Width | 448-bit |
| Memory Bandwidth (GB/sec) | 111.9 |
Performance test and Benchmark (with and without CrossFireX)
Now lest take a look at the benchs :
3DMark 2006 Test :
3DMark Vantage Test :
Resident evil 5 , Crysis warhead , Batman Test:
Relative performance Test:
Power consumption Test (tomshw):