GeForce GT 340 1GB vs Geforce GTX 760

Intro

Compare those specs to the Geforce GTX 760, which comes with core speeds of 980 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 memory. It features 1152 SPUs as well as 96 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 1GB		69 Watts
Geforce GTX 760		170 Watts
	Difference: 101 Watts (146%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 760 should be 253% quicker than the GeForce GT 340 1GB overall, due to its greater bandwidth. (explain)

Geforce GTX 760		192256 MB/sec
GeForce GT 340 1GB		54400 MB/sec
	Difference: 137856 (253%)

Texel Rate

The Geforce GTX 760 is quite a bit (more or less 435%) better at anisotropic filtering than the GeForce GT 340 1GB. (explain)

Geforce GTX 760		94080 Mtexels/sec
GeForce GT 340 1GB		17600 Mtexels/sec
	Difference: 76480 (435%)

Pixel Rate

The Geforce GTX 760 is quite a bit (more or less 613%) faster with regards to full screen anti-aliasing than the GeForce GT 340 1GB, and also will be capable of handling higher screen resolutions without losing too much performance. (explain)

Geforce GTX 760		31360 Mpixels/sec
GeForce GT 340 1GB		4400 Mpixels/sec
	Difference: 26960 (613%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in MB per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.