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GeForce 9800 GTX+ vs Radeon R7 250

Intro

The GeForce 9800 GTX+ makes use of a 55 nm design. nVidia has set the core speed at 738 MHz. The GDDR3 memory runs at a frequency of 1100 MHz on this specific card. It features 128 SPUs along with 64 Texture Address Units and 16 Rasterization Operator Units.

Compare that to the Radeon R7 250, which comes with a GPU core clock speed of 1000 MHz, and 1024 MB of GDDR5 memory running at 1150 MHz through a 128-bit bus. It also features 384 Stream Processors, 24 Texture Address Units, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250 65 Watts
GeForce 9800 GTX+ 145 Watts
Difference: 80 Watts (123%)

Memory Bandwidth

Theoretically, the Radeon R7 250 should perform a little bit faster than the GeForce 9800 GTX+ in general. (explain)

Radeon R7 250 73600 MB/sec
GeForce 9800 GTX+ 70400 MB/sec
Difference: 3200 (5%)

Texel Rate

The GeForce 9800 GTX+ is a lot (about 97%) faster with regards to AF than the Radeon R7 250. (explain)

GeForce 9800 GTX+ 47232 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 23232 (97%)

Pixel Rate

The GeForce 9800 GTX+ will be a lot (about 48%) faster with regards to full screen anti-aliasing than the Radeon R7 250, and capable of handling higher screen resolutions more effectively. (explain)

GeForce 9800 GTX+ 11808 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 3808 (48%)

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 GTX+

Amazon.com

Check prices at:

Radeon R7 250

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 GTX+ Radeon R7 250
Manufacturer nVidia AMD
Year July 2008 October 2013
Code Name G92b Oland XT
Memory 512 MB 1024 MB
Core Speed 738 MHz 1000 MHz
Memory Speed 2200 MHz 4600 MHz
Power (Max TDP) 145 watts 65 watts
Bandwidth 70400 MB/sec 73600 MB/sec
Texel Rate 47232 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 128 384
Texture Mapping Units 64 24
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 55 nm 28 nm
Transistors 754 million 1040 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 max amount of data (counted in megabytes per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce 9800 GTX+

Amazon.com

Check prices at:

Radeon R7 250

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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