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GeForce GT 340 vs GeForce GTX 460 2GB

Intro

The GeForce GT 340 comes with a clock speed of 550 MHz and a GDDR5 memory speed of 850 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It features 96 SPUs, 32 Texture Address Units, and 8 ROPs.

Compare all of that to the GeForce GTX 460 2GB, which features GPU clock speed of 675 MHz, and 2048 MB of GDDR5 RAM running at 900 MHz through a 256-bit bus. It also is made up of 336 SPUs, 56 TAUs, and 32 Raster Operation 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

The GeForce GTX 460 2GB should theoretically be much faster than the GeForce GT 340 overall. (explain)

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

Texel Rate

The GeForce GTX 460 2GB will be a lot (approximately 115%) better at 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 will be quite a bit (approximately 391%) better at AA than the GeForce GT 340, and will be capable of handling higher resolutions while still performing well. (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: Memory bandwidth is the max amount of information (counted in MB per second) that can be transported over the external memory interface in a second. The number is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number 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 outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability 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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