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GeForce 8800 GTS (G80) 320MB vs Radeon R7 250

Intro

The GeForce 8800 GTS (G80) 320MB comes with core clock speeds of 513 MHz on the GPU, and 792 MHz on the 320 MB of GDDR3 memory. It features 96 SPUs along with 48 Texture Address Units and 20 Rasterization Operator Units.

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

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250 65 Watts
GeForce 8800 GTS (G80) 320MB 143 Watts
Difference: 78 Watts (120%)

Memory Bandwidth

Theoretically, the Radeon R7 250 should be just a bit faster than the GeForce 8800 GTS (G80) 320MB in general. (explain)

Radeon R7 250 73600 MB/sec
GeForce 8800 GTS (G80) 320MB 63360 MB/sec
Difference: 10240 (16%)

Texel Rate

The GeForce 8800 GTS (G80) 320MB should be a small bit (more or less 3%) better at anisotropic filtering than the Radeon R7 250. (explain)

GeForce 8800 GTS (G80) 320MB 24624 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 624 (3%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce 8800 GTS (G80) 320MB is a better choice, by a large margin. (explain)

GeForce 8800 GTS (G80) 320MB 10260 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 2260 (28%)

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 8800 GTS (G80) 320MB

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 8800 GTS (G80) 320MB Radeon R7 250
Manufacturer nVidia AMD
Year Feb 2007 October 2013
Code Name G80 Oland XT
Memory 320 MB 1024 MB
Core Speed 513 MHz 1000 MHz
Memory Speed 1584 MHz 4600 MHz
Power (Max TDP) 143 watts 65 watts
Bandwidth 63360 MB/sec 73600 MB/sec
Texel Rate 24624 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 96 384
Texture Mapping Units 48 24
Render Output Units 20 8
Bus Type GDDR3 GDDR5
Bus Width 320-bit 128-bit
Fab Process 90 nm 28 nm
Transistors 681 million 1040 million
Bus PCIe x16 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 max amount of data (in units of MB per second) that can be transported across the external memory interface in a second. It is worked out by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total texture units 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G80) 320MB

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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