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GeForce 8800 GT 512MB vs GeForce GT 340 1GB

Intro

The GeForce 8800 GT 512MB comes with a GPU clock speed of 600 MHz, and the 512 MB of GDDR3 RAM runs at 900 MHz through a 256-bit bus. It also is made up of 112 Stream Processors, 56 TAUs, and 16 ROPs.

Compare all that to the GeForce GT 340 1GB, which has GPU core speed of 550 MHz, and 1024 MB of GDDR5 memory running at 850 MHz through a 128-bit bus. It also is comprised of 96 Stream Processors, 32 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 1GB 69 Watts
GeForce 8800 GT 512MB 105 Watts
Difference: 36 Watts (52%)

Memory Bandwidth

Performance-wise, the GeForce 8800 GT 512MB should theoretically be a bit superior to the GeForce GT 340 1GB in general. (explain)

GeForce 8800 GT 512MB 57600 MB/sec
GeForce GT 340 1GB 54400 MB/sec
Difference: 3200 (6%)

Texel Rate

The GeForce 8800 GT 512MB should be a lot (approximately 91%) more effective at AF than the GeForce GT 340 1GB. (explain)

GeForce 8800 GT 512MB 33600 Mtexels/sec
GeForce GT 340 1GB 17600 Mtexels/sec
Difference: 16000 (91%)

Pixel Rate

The GeForce 8800 GT 512MB will be quite a bit (about 118%) faster with regards to FSAA than the GeForce GT 340 1GB, and also able to handle higher resolutions while still performing well. (explain)

GeForce 8800 GT 512MB 9600 Mpixels/sec
GeForce GT 340 1GB 4400 Mpixels/sec
Difference: 5200 (118%)

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 GT 512MB

Amazon.com

Check prices at:

GeForce GT 340 1GB

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 GT 512MB GeForce GT 340 1GB
Manufacturer nVidia nVidia
Year Oct 2007 February 2010
Code Name G92 GT215
Memory 512 MB 1024 MB
Core Speed 600 MHz 550 MHz
Memory Speed 1800 MHz 3400 MHz
Power (Max TDP) 105 watts 69 watts
Bandwidth 57600 MB/sec 54400 MB/sec
Texel Rate 33600 Mtexels/sec 17600 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 112 96
Texture Mapping Units 56 32
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 727 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.3

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 are processed per second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GT 512MB

Amazon.com

Check prices at:

GeForce GT 340 1GB

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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