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GeForce 9800 GT 1GB vs Radeon HD 5750 1GB

Intro

The GeForce 9800 GT 1GB uses a 65/55 nm design. nVidia has clocked the core speed at 600 MHz. The GDDR3 memory works at a frequency of 900 MHz on this particular card. It features 112 SPUs along with 56 TAUs and 16 ROPs.

Compare all of that to the Radeon HD 5750 1GB, which features GPU clock speed of 700 MHz, and 1024 MB of GDDR5 RAM set to run at 1150 MHz through a 128-bit bus. It also is made up of 720(144x5) Stream Processors, 36 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 1GB 86 Watts
GeForce 9800 GT 1GB 105 Watts
Difference: 19 Watts (22%)

Memory Bandwidth

In theory, the Radeon HD 5750 1GB will be 28% quicker than the GeForce 9800 GT 1GB in general, because of its greater data rate. (explain)

Radeon HD 5750 1GB 73600 MB/sec
GeForce 9800 GT 1GB 57600 MB/sec
Difference: 16000 (28%)

Texel Rate

The GeForce 9800 GT 1GB should be quite a bit (about 33%) faster with regards to AF than the Radeon HD 5750 1GB. (explain)

GeForce 9800 GT 1GB 33600 Mtexels/sec
Radeon HD 5750 1GB 25200 Mtexels/sec
Difference: 8400 (33%)

Pixel Rate

The Radeon HD 5750 1GB is a small bit (about 17%) faster with regards to anti-aliasing than the GeForce 9800 GT 1GB, and also should be able to handle higher resolutions without slowing down too much. (explain)

Radeon HD 5750 1GB 11200 Mpixels/sec
GeForce 9800 GT 1GB 9600 Mpixels/sec
Difference: 1600 (17%)

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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GeForce 9800 GT 1GB

Amazon.com

Radeon HD 5750 1GB

Amazon.com

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 GeForce 9800 GT 1GB Radeon HD 5750 1GB
Manufacturer nVidia AMD
Year July 2008 October 13, 2009
Code Name G92a/b Juniper LE
Memory 1024 MB 1024 MB
Core Speed 600 MHz 700 MHz
Memory Speed 1800 MHz 4600 MHz
Power (Max TDP) 105 watts 86 watts
Bandwidth 57600 MB/sec 73600 MB/sec
Texel Rate 33600 Mtexels/sec 25200 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 11200 Mpixels/sec
Unified Shaders 112 720(144x5)
Texture Mapping Units 56 36
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 40 nm
Transistors 754 million 1040 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred past the external memory interface in one second. It is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce 9800 GT 1GB

Amazon.com

Radeon HD 5750 1GB

Amazon.com

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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