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GeForce 8800 Ultra vs GeForce GTX 950

Intro

The GeForce 8800 Ultra features clock speeds of 612 MHz on the GPU, and 1080 MHz on the 768 MB of GDDR3 RAM. It features 128 SPUs as well as 64 Texture Address Units and 24 Rasterization Operator Units.

Compare all that to the GeForce GTX 950, which features a core clock frequency of 1024 MHz and a GDDR5 memory frequency of 1652 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It is made up of 768 SPUs, 48 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950 90 Watts
GeForce 8800 Ultra 171 Watts
Difference: 81 Watts (90%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 950 should in theory be just a bit superior to the GeForce 8800 Ultra in general. (explain)

GeForce GTX 950 105728 MB/sec
GeForce 8800 Ultra 103680 MB/sec
Difference: 2048 (2%)

Texel Rate

The GeForce GTX 950 should be quite a bit (more or less 25%) faster with regards to AF than the GeForce 8800 Ultra. (explain)

GeForce GTX 950 49152 Mtexels/sec
GeForce 8800 Ultra 39168 Mtexels/sec
Difference: 9984 (25%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 950 is superior to the GeForce 8800 Ultra, and very much so. (explain)

GeForce GTX 950 32768 Mpixels/sec
GeForce 8800 Ultra 14688 Mpixels/sec
Difference: 18080 (123%)

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 Ultra

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

Display Specifications

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Model GeForce 8800 Ultra GeForce GTX 950
Manufacturer nVidia nVidia
Year May 2007 August 2015
Code Name G80 GM206
Memory 768 MB 2048 MB
Core Speed 612 MHz 1024 MHz
Memory Speed 2160 MHz 6608 MHz
Power (Max TDP) 171 watts 90 watts
Bandwidth 103680 MB/sec 105728 MB/sec
Texel Rate 39168 Mtexels/sec 49152 Mtexels/sec
Pixel Rate 14688 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 information (measured in megabytes per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8800 Ultra

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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