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GeForce 9800 GTX vs Radeon R7 250

Intro

The GeForce 9800 GTX comes with clock speeds of 675 MHz on the GPU, and 1100 MHz on the 512 MB of GDDR3 RAM. It features 128 SPUs along with 64 Texture Address Units and 16 Rasterization Operator Units.

Compare all of that to the Radeon R7 250, which features a clock frequency of 1000 MHz and a GDDR5 memory frequency of 1150 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It is made up of 384 SPUs, 24 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250 65 Watts
GeForce 9800 GTX 140 Watts
Difference: 75 Watts (115%)

Memory Bandwidth

Theoretically speaking, the Radeon R7 250 should be 5% faster than the GeForce 9800 GTX in general, due to its greater data rate. (explain)

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

Texel Rate

The GeForce 9800 GTX will be a lot (approximately 80%) better at anisotropic filtering than the Radeon R7 250. (explain)

GeForce 9800 GTX 43200 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 19200 (80%)

Pixel Rate

The GeForce 9800 GTX will be a lot (approximately 35%) better at full screen anti-aliasing than the Radeon R7 250, and also should be able to handle higher screen resolutions better. (explain)

GeForce 9800 GTX 10800 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 2800 (35%)

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 April 2008 October 2013
Code Name G92 Oland XT
Memory 512 MB 1024 MB
Core Speed 675 MHz 1000 MHz
Memory Speed 2200 MHz 4600 MHz
Power (Max TDP) 140 watts 65 watts
Bandwidth 70400 MB/sec 73600 MB/sec
Texel Rate 43200 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 10800 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 65 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: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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 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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