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GeForce 8800 GTX vs GeForce GTX 950

Intro

The GeForce 8800 GTX features a GPU core speed of 575 MHz, and the 768 MB of GDDR3 memory runs at 900 MHz through a 384-bit bus. It also features 128 SPUs, 64 TAUs, and 24 ROPs.

Compare that to the GeForce GTX 950, which comes with a clock speed of 1024 MHz and a GDDR5 memory speed of 1652 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It features 768 SPUs, 48 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950 90 Watts
GeForce 8800 GTX 155 Watts
Difference: 65 Watts (72%)

Memory Bandwidth

The GeForce GTX 950, in theory, should perform quite a bit faster than the GeForce 8800 GTX overall. (explain)

GeForce GTX 950 105728 MB/sec
GeForce 8800 GTX 86400 MB/sec
Difference: 19328 (22%)

Texel Rate

The GeForce GTX 950 is much (more or less 34%) faster with regards to anisotropic filtering than the GeForce 8800 GTX. (explain)

GeForce GTX 950 49152 Mtexels/sec
GeForce 8800 GTX 36800 Mtexels/sec
Difference: 12352 (34%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 950 is superior to the GeForce 8800 GTX, and very much so. (explain)

GeForce GTX 950 32768 Mpixels/sec
GeForce 8800 GTX 13800 Mpixels/sec
Difference: 18968 (137%)

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:

GeForce GTX 950

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 GeForce GTX 950
Manufacturer nVidia nVidia
Year Nov 2006 August 2015
Code Name G80 GM206
Memory 768 MB 2048 MB
Core Speed 575 MHz 1024 MHz
Memory Speed 1800 MHz 6608 MHz
Power (Max TDP) 155 watts 90 watts
Bandwidth 86400 MB/sec 105728 MB/sec
Texel Rate 36800 Mtexels/sec 49152 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 32768 Mpixels/sec
Unified Shaders 128 768
Texture Mapping Units 64 48
Render Output Units 24 32
Bus Type GDDR3 GDDR5
Bus Width 384-bit 128-bit
Fab Process 90 nm 28 nm
Transistors 681 million 2940 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 once again. If 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, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video 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 number of Render Output Units by the the core speed of the card. 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 lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce 8800 GTX

Amazon.com

Check prices at:

GeForce GTX 950

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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