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GeForce 9800 GT 1GB vs Radeon HD 5750 1GB

Intro

The GeForce 9800 GT 1GB has clock speeds of 600 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR3 memory. It features 112 SPUs as well as 56 Texture Address Units and 16 Rasterization Operator Units.

Compare those specifications to the Radeon HD 5750 1GB, which uses a 40 nm design. AMD has clocked the core speed at 700 MHz. The GDDR5 RAM is set to run at a speed of 1150 MHz on this model. It features 720(144x5) SPUs as well as 36 Texture Address Units and 16 Rasterization Operator 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

The Radeon HD 5750 1GB should theoretically be a lot faster than the GeForce 9800 GT 1GB overall. (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 is much (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

If running with high levels of AA is important to you, then the Radeon HD 5750 1GB is superior to the GeForce 9800 GT 1GB, though only just barely. (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

Check prices at:

Radeon HD 5750 1GB

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 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: Bandwidth is the largest amount of information (measured in MB per second) that can be moved across the external memory interface in a second. The number is calculated by multiplying the bus width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

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

Display Prices

Hide Prices

GeForce 9800 GT 1GB

Amazon.com

Check prices at:

Radeon HD 5750 1GB

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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