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GeForce GT 340 vs GeForce GTX 260

Intro

The GeForce GT 340 has a GPU clock speed of 550 MHz, and the 512 MB of GDDR5 memory runs at 850 MHz through a 128-bit bus. It also is comprised of 96 Stream Processors, 32 TAUs, and 8 Raster Operation Units.

Compare those specifications to the GeForce GTX 260, which has core clock speeds of 576 MHz on the GPU, and 999 MHz on the 896 MB of GDDR3 memory. It features 192 SPUs along with 64 TAUs and 28 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 69 Watts
GeForce GTX 260 182 Watts
Difference: 113 Watts (164%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 260 should perform quite a bit faster than the GeForce GT 340 in general. (explain)

GeForce GTX 260 111888 MB/sec
GeForce GT 340 54400 MB/sec
Difference: 57488 (106%)

Texel Rate

The GeForce GTX 260 is much (more or less 109%) more effective at anisotropic filtering than the GeForce GT 340. (explain)

GeForce GTX 260 36864 Mtexels/sec
GeForce GT 340 17600 Mtexels/sec
Difference: 19264 (109%)

Pixel Rate

The GeForce GTX 260 is much (approximately 267%) better at anti-aliasing than the GeForce GT 340, and also able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 260 16128 Mpixels/sec
GeForce GT 340 4400 Mpixels/sec
Difference: 11728 (267%)

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 GT 340

Amazon.com

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GeForce GTX 260

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

Display Specifications

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Model GeForce GT 340 GeForce GTX 260
Manufacturer nVidia nVidia
Year February 2010 June 16, 2008
Code Name GT215 G200
Memory 512 MB 896 MB
Core Speed 550 MHz 576 MHz
Memory Speed 3400 MHz 1998 MHz
Power (Max TDP) 69 watts 182 watts
Bandwidth 54400 MB/sec 111888 MB/sec
Texel Rate 17600 Mtexels/sec 36864 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 16128 Mpixels/sec
Unified Shaders 96 192
Texture Mapping Units 32 64
Render Output Units 8 28
Bus Type GDDR5 GDDR3
Bus Width 128-bit 448-bit
Fab Process 40 nm 65 nm
Transistors 727 million 1400 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 10.1 DirectX 10
OpenGL Version OpenGL 3.3 OpenGL 3.1

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the card's 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 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GT 340

Amazon.com

Check prices at:

GeForce GTX 260

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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