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GeForce 8800 GTX vs Radeon R7 250X 2GB

Intro

The GeForce 8800 GTX uses a 90 nm design. nVidia has clocked the core frequency at 575 MHz. The GDDR3 memory is set to run at a speed of 900 MHz on this particular card. It features 128 SPUs along with 64 Texture Address Units and 24 ROPs.

Compare all that to the Radeon R7 250X 2GB, which features a GPU core clock speed of 1000 MHz, and 2048 MB of GDDR5 memory running at 1125 MHz through a 128-bit bus. It also features 640 Stream Processors, 40 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X 2GB 95 Watts
GeForce 8800 GTX 155 Watts
Difference: 60 Watts (63%)

Memory Bandwidth

Performance-wise, the GeForce 8800 GTX should in theory be just a bit superior to the Radeon R7 250X 2GB in general. (explain)

GeForce 8800 GTX 86400 MB/sec
Radeon R7 250X 2GB 72000 MB/sec
Difference: 14400 (20%)

Texel Rate

The Radeon R7 250X 2GB should be a bit (approximately 9%) more effective at texture filtering than the GeForce 8800 GTX. (explain)

Radeon R7 250X 2GB 40000 Mtexels/sec
GeForce 8800 GTX 36800 Mtexels/sec
Difference: 3200 (9%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R7 250X 2GB is a better choice, not by a very large margin though. (explain)

Radeon R7 250X 2GB 16000 Mpixels/sec
GeForce 8800 GTX 13800 Mpixels/sec
Difference: 2200 (16%)

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 GTX

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 GTX Radeon R7 250X 2GB
Manufacturer nVidia AMD
Year Nov 2006 February 2014
Code Name G80 Cape Verde XT
Memory 768 MB 2048 MB
Core Speed 575 MHz 1000 MHz
Memory Speed 1800 MHz 4500 MHz
Power (Max TDP) 155 watts 95 watts
Bandwidth 86400 MB/sec 72000 MB/sec
Texel Rate 36800 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 128 640
Texture Mapping Units 64 40
Render Output Units 24 16
Bus Type GDDR3 GDDR5
Bus Width 384-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: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GTX

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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