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GeForce 8800 Ultra vs GeForce GTX 950

Intro

The GeForce 8800 Ultra features a core clock frequency of 612 MHz and a GDDR3 memory frequency of 1080 MHz. It also makes use of a 384-bit memory bus, and uses a 90 nm design. It is made up of 128 SPUs, 64 Texture Address Units, and 24 ROPs.

Compare those specifications to the GeForce GTX 950, which has GPU core speed of 1024 MHz, and 2048 MB of GDDR5 RAM set to run at 1652 MHz through a 128-bit bus. It also is comprised of 768 SPUs, 48 TAUs, and 32 Raster Operation Units.

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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

In theory, the GeForce GTX 950 should perform a little bit faster than the GeForce 8800 Ultra overall. (explain)

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

Texel Rate

The GeForce GTX 950 will be much (about 25%) more effective at AF than the GeForce 8800 Ultra. (explain)

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

Pixel Rate

The GeForce GTX 950 is a lot (approximately 123%) better at FSAA than the GeForce 8800 Ultra, and also will be able to handle higher screen resolutions more effectively. (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

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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: Bandwidth is the largest amount of information (in units of MB per second) that can be transported over the external memory interface within a second. It is calculated by multiplying the interface width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This figure 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 card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the clock 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 fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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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.

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