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GeForce 8800 Ultra vs GeForce GTX 950

Intro

The GeForce 8800 Ultra makes use of a 90 nm design. nVidia has set the core frequency at 612 MHz. The GDDR3 RAM is set to run at a frequency of 1080 MHz on this specific card. It features 128 SPUs along with 64 TAUs and 24 ROPs.

Compare those specs to the GeForce GTX 950, which makes use of a 28 nm design. nVidia has clocked the core speed at 1024 MHz. The GDDR5 memory works at a frequency of 1652 MHz on this specific model. It features 768 SPUs as well as 48 TAUs and 32 Rasterization Operator 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

The GeForce GTX 950 should theoretically perform just a bit faster than 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 is quite a bit (about 25%) better 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 will be much (about 123%) faster with regards to AA 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

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GeForce GTX 950

Amazon.com

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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: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total number of texture units of the card by the core clock 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to 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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