GeForce GT 340 vs Radeon R7 370 4G

Intro

Compare those specifications to the Radeon R7 370 4G, which comes with a GPU core clock speed of 975 MHz, and 4096 MB of GDDR5 RAM set to run at 1400 MHz through a 256-bit bus. It also is made up of 1024 SPUs, 64 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		69 Watts
Radeon R7 370 4G		110 Watts
	Difference: 41 Watts (59%)

Memory Bandwidth

Performance-wise, the Radeon R7 370 4G should in theory be a lot better than the GeForce GT 340 overall. (explain)

Radeon R7 370 4G		179200 MB/sec
GeForce GT 340		54400 MB/sec
	Difference: 124800 (229%)

Texel Rate

The Radeon R7 370 4G will be quite a bit (approximately 255%) more effective at AF than the GeForce GT 340. (explain)

Radeon R7 370 4G		62400 Mtexels/sec
GeForce GT 340		17600 Mtexels/sec
	Difference: 44800 (255%)

Pixel Rate

The Radeon R7 370 4G is a lot (approximately 609%) more effective at FSAA than the GeForce GT 340, and also will be able to handle higher screen resolutions more effectively. (explain)

Radeon R7 370 4G		31200 Mpixels/sec
GeForce GT 340		4400 Mpixels/sec
	Difference: 26800 (609%)

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 maximum amount of data (in units of megabytes per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This figure 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 video 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 amount of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.