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GeForce 8800 GS vs GeForce GTS 150

Intro

The GeForce 8800 GS features a GPU clock speed of 550 MHz, and the 384 MB of GDDR3 RAM is set to run at 800 MHz through a 192-bit bus. It also is comprised of 96 Stream Processors, 48 TAUs, and 12 ROPs.

Compare those specs to the GeForce GTS 150, which features core speeds of 740 MHz on the GPU, and 500 MHz on the 1024 MB of GDDR3 memory. It features 128 SPUs as well as 64 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GS 105 Watts
GeForce GTS 150 141 Watts
Difference: 36 Watts (34%)

Memory Bandwidth

In theory, the GeForce 8800 GS will be 20% faster than the GeForce GTS 150 overall, due to its higher bandwidth. (explain)

GeForce 8800 GS 38400 MB/sec
GeForce GTS 150 32000 MB/sec
Difference: 6400 (20%)

Texel Rate

The GeForce GTS 150 should be a lot (about 79%) better at texture filtering than the GeForce 8800 GS. (explain)

GeForce GTS 150 47360 Mtexels/sec
GeForce 8800 GS 26400 Mtexels/sec
Difference: 20960 (79%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTS 150 is a better choice, by a large margin. (explain)

GeForce GTS 150 11840 Mpixels/sec
GeForce 8800 GS 6600 Mpixels/sec
Difference: 5240 (79%)

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 GS

Amazon.com

Check prices at:

GeForce GTS 150

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 GS GeForce GTS 150
Manufacturer nVidia nVidia
Year Jan 2008 March 10, 2009
Code Name G92 G92b
Memory 384 MB 1024 MB
Core Speed 550 MHz 740 MHz
Memory Speed 1600 MHz 1000 MHz
Power (Max TDP) 105 watts 141 watts
Bandwidth 38400 MB/sec 32000 MB/sec
Texel Rate 26400 Mtexels/sec 47360 Mtexels/sec
Pixel Rate 6600 Mpixels/sec 11840 Mpixels/sec
Unified Shaders 96 128
Texture Mapping Units 48 64
Render Output Units 12 16
Bus Type GDDR3 GDDR3
Bus Width 192-bit 256-bit
Fab Process 65 nm 55 nm
Transistors 754 million 754 million
Bus PCIe x16 2.0 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This number is calculated 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 video card will be at 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 chip can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce 8800 GS

Amazon.com

Check prices at:

GeForce GTS 150

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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