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GeForce GT 340 vs GeForce GTX 460 2GB

Intro

The GeForce GT 340 comes with a GPU core clock speed of 550 MHz, and the 512 MB of GDDR5 memory is set to run 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.

Compare those specs to the GeForce GTX 460 2GB, which uses a 40 nm design. nVidia has set the core speed at 675 MHz. The GDDR5 memory is set to run at a frequency of 900 MHz on this model. It features 336 SPUs along with 56 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 69 Watts
GeForce GTX 460 2GB 160 Watts
Difference: 91 Watts (132%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 460 2GB should theoretically be a lot better than the GeForce GT 340 in general. (explain)

GeForce GTX 460 2GB 115200 MB/sec
GeForce GT 340 54400 MB/sec
Difference: 60800 (112%)

Texel Rate

The GeForce GTX 460 2GB is a lot (approximately 115%) faster with regards to anisotropic filtering than the GeForce GT 340. (explain)

GeForce GTX 460 2GB 37800 Mtexels/sec
GeForce GT 340 17600 Mtexels/sec
Difference: 20200 (115%)

Pixel Rate

The GeForce GTX 460 2GB is a lot (more or less 391%) more effective at anti-aliasing than the GeForce GT 340, and also capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
GeForce GT 340 4400 Mpixels/sec
Difference: 17200 (391%)

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

Check prices at:

GeForce GTX 460 2GB

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 GT 340 GeForce GTX 460 2GB
Manufacturer nVidia nVidia
Year February 2010 July 2010
Code Name GT215 GF104
Memory 512 MB 2048 MB
Core Speed 550 MHz 675 MHz
Memory Speed 3400 MHz 3600 MHz
Power (Max TDP) 69 watts 160 watts
Bandwidth 54400 MB/sec 115200 MB/sec
Texel Rate 17600 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 96 336
Texture Mapping Units 32 56
Render Output Units 8 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 727 million 1950 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.3 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (counted in megabytes per second) that can be moved across the external memory interface in one second. It's calculated by multiplying the bus width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called 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, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GT 340

Amazon.com

Check prices at:

GeForce GTX 460 2GB

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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