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GeForce 8800 GTS (G80) 640MB vs Radeon R7 250X 2GB

Intro

The GeForce 8800 GTS (G80) 640MB has a GPU clock speed of 513 MHz, and the 640 MB of GDDR3 memory runs at 792 MHz through a 320-bit bus. It also features 96 Stream Processors, 48 TAUs, and 20 ROPs.

Compare that to the Radeon R7 250X 2GB, which uses a 28 nm design. AMD has clocked the core frequency at 1000 MHz. The GDDR5 memory runs at a speed of 1125 MHz on this model. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X 2GB 95 Watts
GeForce 8800 GTS (G80) 640MB 143 Watts
Difference: 48 Watts (51%)

Memory Bandwidth

In theory, the Radeon R7 250X 2GB should perform a small bit faster than the GeForce 8800 GTS (G80) 640MB in general. (explain)

Radeon R7 250X 2GB 72000 MB/sec
GeForce 8800 GTS (G80) 640MB 63360 MB/sec
Difference: 8640 (14%)

Texel Rate

The Radeon R7 250X 2GB is quite a bit (more or less 62%) faster with regards to texture filtering than the GeForce 8800 GTS (G80) 640MB. (explain)

Radeon R7 250X 2GB 40000 Mtexels/sec
GeForce 8800 GTS (G80) 640MB 24624 Mtexels/sec
Difference: 15376 (62%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R7 250X 2GB is superior to the GeForce 8800 GTS (G80) 640MB, and very much so. (explain)

Radeon R7 250X 2GB 16000 Mpixels/sec
GeForce 8800 GTS (G80) 640MB 10260 Mpixels/sec
Difference: 5740 (56%)

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) 640MB

Amazon.com

Check prices at:

Radeon R7 250X 2GB

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) 640MB Radeon R7 250X 2GB
Manufacturer nVidia AMD
Year Nov 2006 (640) February 2014
Code Name G80 Cape Verde XT
Memory 640 MB 2048 MB
Core Speed 513 MHz 1000 MHz
Memory Speed 1584 MHz 4500 MHz
Power (Max TDP) 143 watts 95 watts
Bandwidth 63360 MB/sec 72000 MB/sec
Texel Rate 24624 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 96 640
Texture Mapping Units 48 40
Render Output Units 20 16
Bus Type GDDR3 GDDR5
Bus Width 320-bit 128-bit
Fab Process 90 nm 28 nm
Transistors 681 million 1500 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 largest amount of information (in units of MB per second) that can be transported past the external memory interface in a second. It's calculated by multiplying the interface width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better 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 its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines 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 rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G80) 640MB

Amazon.com

Check prices at:

Radeon R7 250X 2GB

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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