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GeForce 8800 GT 256MB vs GeForce GT 340

Intro

The GeForce 8800 GT 256MB makes use of a 65 nm design. nVidia has clocked the core frequency at 600 MHz. The GDDR3 RAM works at a speed of 700 MHz on this specific model. It features 112 SPUs along with 56 TAUs and 16 ROPs.

Compare all that to the GeForce GT 340, which comes with clock speeds of 550 MHz on the GPU, and 850 MHz on the 512 MB of GDDR5 RAM. It features 96 SPUs along with 32 Texture Address Units and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 69 Watts
GeForce 8800 GT 256MB 105 Watts
Difference: 36 Watts (52%)

Memory Bandwidth

In theory, the GeForce GT 340 should be quite a bit faster than the GeForce 8800 GT 256MB in general. (explain)

GeForce GT 340 54400 MB/sec
GeForce 8800 GT 256MB 44800 MB/sec
Difference: 9600 (21%)

Texel Rate

The GeForce 8800 GT 256MB should be a lot (about 91%) faster with regards to AF than the GeForce GT 340. (explain)

GeForce 8800 GT 256MB 33600 Mtexels/sec
GeForce GT 340 17600 Mtexels/sec
Difference: 16000 (91%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 8800 GT 256MB is superior to the GeForce GT 340, by a large margin. (explain)

GeForce 8800 GT 256MB 9600 Mpixels/sec
GeForce GT 340 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

Display Prices

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GeForce 8800 GT 256MB

Amazon.com

Check prices at:

GeForce GT 340

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 256MB GeForce GT 340
Manufacturer nVidia nVidia
Year Dec 2007 February 2010
Code Name G92 GT215
Memory 256 MB 512 MB
Core Speed 600 MHz 550 MHz
Memory Speed 1400 MHz 3400 MHz
Power (Max TDP) 105 watts 69 watts
Bandwidth 44800 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: Memory bandwidth is the largest amount of information (measured in megabytes per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the bus width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GT 256MB

Amazon.com

Check prices at:

GeForce GT 340

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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