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GeForce 9800 GT 512MB vs Radeon R7 250X

Intro

The GeForce 9800 GT 512MB comes with core clock speeds of 600 MHz on the GPU, and 900 MHz on the 512 MB of GDDR3 RAM. It features 112 SPUs as well as 56 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the Radeon R7 250X, which has GPU clock speed of 1000 MHz, and 1024 MB of GDDR5 memory set to run at 1125 MHz through a 128-bit bus. It also features 640 SPUs, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X 95 Watts
GeForce 9800 GT 512MB 105 Watts
Difference: 10 Watts (11%)

Memory Bandwidth

The Radeon R7 250X, in theory, should perform a lot faster than the GeForce 9800 GT 512MB in general. (explain)

Radeon R7 250X 72000 MB/sec
GeForce 9800 GT 512MB 57600 MB/sec
Difference: 14400 (25%)

Texel Rate

The Radeon R7 250X is a bit (approximately 19%) better at texture filtering than the GeForce 9800 GT 512MB. (explain)

Radeon R7 250X 40000 Mtexels/sec
GeForce 9800 GT 512MB 33600 Mtexels/sec
Difference: 6400 (19%)

Pixel Rate

The Radeon R7 250X will be quite a bit (approximately 67%) better at anti-aliasing than the GeForce 9800 GT 512MB, and also capable of handling higher resolutions more effectively. (explain)

Radeon R7 250X 16000 Mpixels/sec
GeForce 9800 GT 512MB 9600 Mpixels/sec
Difference: 6400 (67%)

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 512MB

Amazon.com

Check prices at:

Radeon R7 250X

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 512MB Radeon R7 250X
Manufacturer nVidia AMD
Year July 2008 February 2014
Code Name G92a/b Cape Verde XT
Memory 512 MB 1024 MB
Core Speed 600 MHz 1000 MHz
Memory Speed 1800 MHz 4500 MHz
Power (Max TDP) 105 watts 95 watts
Bandwidth 57600 MB/sec 72000 MB/sec
Texel Rate 33600 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 112 640
Texture Mapping Units 56 40
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 28 nm
Transistors 754 million 1500 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be transported across the external memory interface within a second. It is worked out by multiplying the bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, 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 number of texture map elements (texels) that are applied per second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GT 512MB

Amazon.com

Check prices at:

Radeon R7 250X

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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