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Radeon HD 4850 512MB vs Radeon HD 6570 (OEM) 2GB

Intro

The Radeon HD 4850 512MB comes with core speeds of 625 MHz on the GPU, and 993 MHz on the 512 MB of GDDR3 memory. It features 800(160x5) SPUs along with 40 TAUs and 16 ROPs.

Compare those specs to the Radeon HD 6570 (OEM) 2GB, which comes with clock speeds of 650 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 480 SPUs along with 24 Texture Address Units and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 2GB 50 Watts
Radeon HD 4850 512MB 110 Watts
Difference: 60 Watts (120%)

Memory Bandwidth

Performance-wise, the Radeon HD 6570 (OEM) 2GB should in theory be a little bit superior to the Radeon HD 4850 512MB in general. (explain)

Radeon HD 6570 (OEM) 2GB 64000 MB/sec
Radeon HD 4850 512MB 63552 MB/sec
Difference: 448 (1%)

Texel Rate

The Radeon HD 4850 512MB will be a lot (more or less 60%) faster with regards to texture filtering than the Radeon HD 6570 (OEM) 2GB. (explain)

Radeon HD 4850 512MB 25000 Mtexels/sec
Radeon HD 6570 (OEM) 2GB 15600 Mtexels/sec
Difference: 9400 (60%)

Pixel Rate

The Radeon HD 4850 512MB should be a lot (approximately 92%) better at FSAA than the Radeon HD 6570 (OEM) 2GB, and should be able to handle higher screen resolutions more effectively. (explain)

Radeon HD 4850 512MB 10000 Mpixels/sec
Radeon HD 6570 (OEM) 2GB 5200 Mpixels/sec
Difference: 4800 (92%)

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

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Radeon HD 4850 512MB

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 2GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Radeon HD 4850 512MB Radeon HD 6570 (OEM) 2GB
Manufacturer AMD AMD
Year Jun 25, 2008 February 2011
Code Name RV770 PRO Turks
Memory 512 MB 1024 MB
Core Speed 625 MHz 650 MHz
Memory Speed 1986 MHz 4000 MHz
Power (Max TDP) 110 watts 50 watts
Bandwidth 63552 MB/sec 64000 MB/sec
Texel Rate 25000 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 10000 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 800(160x5) 480
Texture Mapping Units 40 24
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 956 million 715 million
Bus PCIe 2.0 x16 PCIe 2.1 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be transported past the external memory interface in a second. It's worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in one 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 drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4850 512MB

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 2GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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