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Radeon HD 5750 512MB vs Radeon HD 7850

Intro

The Radeon HD 5750 512MB makes use of a 40 nm design. AMD has clocked the core speed at 700 MHz. The GDDR5 memory works at a frequency of 1150 MHz on this specific model. It features 720(144x5) SPUs along with 36 Texture Address Units and 16 ROPs.

Compare those specifications to the Radeon HD 7850, which comes with core clock speeds of 860 MHz on the GPU, and 1200 MHz on the 2048 MB of GDDR5 memory. It features 1024 SPUs along with 64 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 512MB 86 Watts
Radeon HD 7850 130 Watts
Difference: 44 Watts (51%)

Memory Bandwidth

The Radeon HD 7850 should theoretically be much faster than the Radeon HD 5750 512MB overall. (explain)

Radeon HD 7850 153600 MB/sec
Radeon HD 5750 512MB 73600 MB/sec
Difference: 80000 (109%)

Texel Rate

The Radeon HD 7850 is quite a bit (about 118%) more effective at anisotropic filtering than the Radeon HD 5750 512MB. (explain)

Radeon HD 7850 55040 Mtexels/sec
Radeon HD 5750 512MB 25200 Mtexels/sec
Difference: 29840 (118%)

Pixel Rate

The Radeon HD 7850 will be a lot (about 146%) better at FSAA than the Radeon HD 5750 512MB, and able to handle higher resolutions without slowing down too much. (explain)

Radeon HD 7850 27520 Mpixels/sec
Radeon HD 5750 512MB 11200 Mpixels/sec
Difference: 16320 (146%)

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 5750 512MB

Amazon.com

Check prices at:

Radeon HD 7850

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 5750 512MB Radeon HD 7850
Manufacturer AMD AMD
Year October 13, 2009 March 2012
Code Name Juniper LE Pitcairn Pro
Memory 512 MB 2048 MB
Core Speed 700 MHz 860 MHz
Memory Speed 4600 MHz 4800 MHz
Power (Max TDP) 86 watts 130 watts
Bandwidth 73600 MB/sec 153600 MB/sec
Texel Rate 25200 Mtexels/sec 55040 Mtexels/sec
Pixel Rate 11200 Mpixels/sec 27520 Mpixels/sec
Unified Shaders 720(144x5) 1024
Texture Mapping Units 36 64
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 1040 million 2800 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 3.2 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be transported across the external memory interface in a second. It is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total texture units of the card 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 processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 5750 512MB

Amazon.com

Check prices at:

Radeon HD 7850

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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