GeForce GT 340 1GB vs Radeon RX 470

Intro

Compare those specifications to the Radeon RX 470, which features a core clock frequency of 926 MHz and a GDDR5 memory frequency of 1650 MHz. It also features a 256-bit bus, and uses a 14 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 1GB		69 Watts
Radeon RX 470		120 Watts
	Difference: 51 Watts (74%)

Memory Bandwidth

The Radeon RX 470 should in theory be a lot faster than the GeForce GT 340 1GB in general. (explain)

Radeon RX 470		211200 MB/sec
GeForce GT 340 1GB		54400 MB/sec
	Difference: 156800 (288%)

Texel Rate

The Radeon RX 470 will be much (more or less 573%) faster with regards to anisotropic filtering than the GeForce GT 340 1GB. (explain)

Radeon RX 470		118528 Mtexels/sec
GeForce GT 340 1GB		17600 Mtexels/sec
	Difference: 100928 (573%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon RX 470 is superior to the GeForce GT 340 1GB, and very much so. (explain)

Radeon RX 470		29632 Mpixels/sec
GeForce GT 340 1GB		4400 Mpixels/sec
	Difference: 25232 (573%)

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 information (in units of MB per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the clock 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 quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.