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Radeon HD 5750 1GB vs Radeon HD 5830

Intro

The Radeon HD 5750 1GB comes with a clock frequency of 700 MHz and a GDDR5 memory speed of 1150 MHz. It also makes use of a 128-bit memory bus, and makes use of a 40 nm design. It is made up of 720(144x5) SPUs, 36 TAUs, and 16 Raster Operation Units.

Compare all of that to the Radeon HD 5830, which has a clock speed of 800 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 256-bit memory bus, and uses a 40 nm design. It features 1120(224x5) SPUs, 56 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 1GB 86 Watts
Radeon HD 5830 175 Watts
Difference: 89 Watts (103%)

Memory Bandwidth

The Radeon HD 5830 should in theory perform much faster than the Radeon HD 5750 1GB overall. (explain)

Radeon HD 5830 128000 MB/sec
Radeon HD 5750 1GB 73600 MB/sec
Difference: 54400 (74%)

Texel Rate

The Radeon HD 5830 should be quite a bit (about 78%) more effective at AF than the Radeon HD 5750 1GB. (explain)

Radeon HD 5830 44800 Mtexels/sec
Radeon HD 5750 1GB 25200 Mtexels/sec
Difference: 19600 (78%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 5830 is superior to the Radeon HD 5750 1GB, though only just barely. (explain)

Radeon HD 5830 12800 Mpixels/sec
Radeon HD 5750 1GB 11200 Mpixels/sec
Difference: 1600 (14%)

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 1GB

Amazon.com

Check prices at:

Radeon HD 5830

Amazon.com

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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 1GB Radeon HD 5830
Manufacturer AMD AMD
Year October 13, 2009 February 25, 2010
Code Name Juniper LE Cypress LE
Memory 1024 MB 1024 MB
Core Speed 700 MHz 800 MHz
Memory Speed 4600 MHz 4000 MHz
Power (Max TDP) 86 watts 175 watts
Bandwidth 73600 MB/sec 128000 MB/sec
Texel Rate 25200 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 11200 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 720(144x5) 1120(224x5)
Texture Mapping Units 36 56
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1040 million 2154 million
Bus PCIe 2.1 x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transported across the external memory interface within a second. The number is worked out by multiplying the interface width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

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

Display Prices

Hide Prices

Radeon HD 5750 1GB

Amazon.com

Check prices at:

Radeon HD 5830

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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