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GeForce 8800 Ultra vs GeForce GTX 870M

Intro

The GeForce 8800 Ultra comes with a clock speed of 612 MHz and a GDDR3 memory frequency of 1080 MHz. It also makes use of a 384-bit bus, and uses a 90 nm design. It is comprised of 128 SPUs, 64 TAUs, and 24 ROPs.

Compare all that to the GeForce GTX 870M, which has a clock speed of 941 MHz and a GDDR5 memory speed of 1000 MHz. It also makes use of a 192-bit bus, and uses a 28 nm design. It features 1344 SPUs, 112 TAUs, and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 870M 110 Watts
GeForce 8800 Ultra 171 Watts
Difference: 61 Watts (55%)

Memory Bandwidth

In theory, the GeForce 8800 Ultra is 8% quicker than the GeForce GTX 870M in general, because of its greater data rate. (explain)

GeForce 8800 Ultra 103680 MB/sec
GeForce GTX 870M 96000 MB/sec
Difference: 7680 (8%)

Texel Rate

The GeForce GTX 870M is much (approximately 169%) better at anisotropic filtering than the GeForce 8800 Ultra. (explain)

GeForce GTX 870M 105392 Mtexels/sec
GeForce 8800 Ultra 39168 Mtexels/sec
Difference: 66224 (169%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 870M is superior to the GeForce 8800 Ultra, by a large margin. (explain)

GeForce GTX 870M 22584 Mpixels/sec
GeForce 8800 Ultra 14688 Mpixels/sec
Difference: 7896 (54%)

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 870M

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 870M
Manufacturer nVidia nVidia
Year May 2007 March 12 2014
Code Name G80 GK104
Memory 768 MB 3072 MB
Core Speed 612 MHz 941 MHz
Memory Speed 2160 MHz 4000 MHz
Power (Max TDP) 171 watts 110 watts
Bandwidth 103680 MB/sec 96000 MB/sec
Texel Rate 39168 Mtexels/sec 105392 Mtexels/sec
Pixel Rate 14688 Mpixels/sec 22584 Mpixels/sec
Unified Shaders 128 1344
Texture Mapping Units 64 112
Render Output Units 24 24
Bus Type GDDR3 GDDR5
Bus Width 384-bit 192-bit
Fab Process 90 nm 28 nm
Transistors 681 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transported past the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory 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 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 amount of texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably 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 870M

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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