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Radeon HD 5750 1GB vs Radeon HD 6570 (OEM) 2GB

Intro

The Radeon HD 5750 1GB comes with a GPU core clock speed of 700 MHz, and the 1024 MB of GDDR5 RAM runs at 1150 MHz through a 128-bit bus. It also is comprised of 720(144x5) SPUs, 36 Texture Address Units, and 16 Raster Operation Units.

Compare those specifications to the Radeon HD 6570 (OEM) 2GB, which comes with a GPU core clock speed of 650 MHz, and 1024 MB of GDDR5 RAM set to run at 1000 MHz through a 128-bit bus. It also features 480 Stream Processors, 24 Texture Address Units, and 8 ROPs.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 2GB 50 Watts
Radeon HD 5750 1GB 86 Watts
Difference: 36 Watts (72%)

Memory Bandwidth

As far as performance goes, the Radeon HD 5750 1GB should in theory be a bit better than the Radeon HD 6570 (OEM) 2GB in general. (explain)

Radeon HD 5750 1GB 73600 MB/sec
Radeon HD 6570 (OEM) 2GB 64000 MB/sec
Difference: 9600 (15%)

Texel Rate

The Radeon HD 5750 1GB will be quite a bit (more or less 62%) faster with regards to AF than the Radeon HD 6570 (OEM) 2GB. (explain)

Radeon HD 5750 1GB 25200 Mtexels/sec
Radeon HD 6570 (OEM) 2GB 15600 Mtexels/sec
Difference: 9600 (62%)

Pixel Rate

The Radeon HD 5750 1GB will be much (approximately 115%) more effective at anti-aliasing than the Radeon HD 6570 (OEM) 2GB, and also able to handle higher resolutions more effectively. (explain)

Radeon HD 5750 1GB 11200 Mpixels/sec
Radeon HD 6570 (OEM) 2GB 5200 Mpixels/sec
Difference: 6000 (115%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.

Radeon HD 5750 1GB

Amazon.com

Other US-based stores

Radeon HD 6570 (OEM) 2GB

Amazon.com

Other US-based stores

Specifications

Model Radeon HD 5750 1GB Radeon HD 6570 (OEM) 2GB
Manufacturer ATi ATi
Year October 13, 2009 February 2011
Code Name Juniper LE Turks
Fab Process 40 nm 40 nm
Bus PCIe 2.1 x16 PCIe 2.1 x16
Memory 1024 MB 1024 MB
Core Speed 700 MHz 650 MHz
Shader Speed N/A MHz (N/A) MHz
Memory Speed 1150 MHz (4600 MHz effective) 1000 MHz (4000 MHz effective)
Unified Shaders 720(144x5) 480
Texture Mapping Units 36 24
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.1
Power (Max TDP) 86 watts 50 watts
Shader Model 5.0 5.0
Bandwidth 73600 MB/sec 64000 MB/sec
Texel Rate 25200 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 11200 Mpixels/sec 5200 Mpixels/sec

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

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