GeForce GT 310 vs Radeon R9 270X

Intro

Compare all of that to the Radeon R9 270X, which features clock speeds of 1000 MHz on the GPU, and 1400 MHz on the 2048 MB of GDDR5 memory. It features 1280 SPUs along with 80 Texture Address Units and 32 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 310		31 Watts
Radeon R9 270X		180 Watts
	Difference: 149 Watts (481%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 270X should be 1020% faster than the GeForce GT 310 in general, due to its higher data rate. (explain)

Radeon R9 270X		179200 MB/sec
GeForce GT 310		16000 MB/sec
	Difference: 163200 (1020%)

Texel Rate

The Radeon R9 270X should be much (about 1598%) better at texture filtering than the GeForce GT 310. (explain)

Radeon R9 270X		80000 Mtexels/sec
GeForce GT 310		4712 Mtexels/sec
	Difference: 75288 (1598%)

Pixel Rate

The Radeon R9 270X should be quite a bit (more or less 1258%) better at FSAA than the GeForce GT 310, and also should be able to handle higher screen resolutions while still performing well. (explain)

Radeon R9 270X		32000 Mpixels/sec
GeForce GT 310		2356 Mpixels/sec
	Difference: 29644 (1258%)

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 largest amount of information (counted in megabytes per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 number of texture map elements (texels) that are processed in one second. This 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 card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs 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 is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.