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GeForce 8800 GT 512MB vs Radeon R7 250X

Intro

The GeForce 8800 GT 512MB has a core clock frequency of 600 MHz and a GDDR3 memory speed of 900 MHz. It also features a 256-bit bus, and makes use of a 65 nm design. It features 112 SPUs, 56 TAUs, and 16 ROPs.

Compare those specs to the Radeon R7 250X, which features a clock speed of 1000 MHz and a GDDR5 memory frequency of 1125 MHz. It also features a 128-bit bus, and uses a 28 nm design. It is made up of 640 SPUs, 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 95 Watts
GeForce 8800 GT 512MB 105 Watts
Difference: 10 Watts (11%)

Memory Bandwidth

The Radeon R7 250X, in theory, should perform much faster than the GeForce 8800 GT 512MB in general. (explain)

Radeon R7 250X 72000 MB/sec
GeForce 8800 GT 512MB 57600 MB/sec
Difference: 14400 (25%)

Texel Rate

The Radeon R7 250X will be a little bit (approximately 19%) more effective at AF than the GeForce 8800 GT 512MB. (explain)

Radeon R7 250X 40000 Mtexels/sec
GeForce 8800 GT 512MB 33600 Mtexels/sec
Difference: 6400 (19%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R7 250X is the winner, by far. (explain)

Radeon R7 250X 16000 Mpixels/sec
GeForce 8800 GT 512MB 9600 Mpixels/sec
Difference: 6400 (67%)

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 GT 512MB

Amazon.com

Check prices at:

Radeon R7 250X

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 GT 512MB Radeon R7 250X
Manufacturer nVidia AMD
Year Oct 2007 February 2014
Code Name G92 Cape Verde XT
Memory 512 MB 1024 MB
Core Speed 600 MHz 1000 MHz
Memory Speed 1800 MHz 4500 MHz
Power (Max TDP) 105 watts 95 watts
Bandwidth 57600 MB/sec 72000 MB/sec
Texel Rate 33600 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 112 640
Texture Mapping Units 56 40
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 28 nm
Transistors 754 million 1500 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 maximum amount of information (measured in megabytes per second) that can be moved across the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GT 512MB

Amazon.com

Check prices at:

Radeon R7 250X

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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