GeForce GTX 460 (OEM) vs Radeon R9 270X

Intro

Compare those specifications to the Radeon R9 270X, which has a core clock speed of 1000 MHz and a GDDR5 memory frequency of 1400 MHz. It also makes use of a 256-bit bus, and uses a 28 nm design. It is made up of 1280 SPUs, 80 Texture Address Units, and 32 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 (OEM)		150 Watts
Radeon R9 270X		180 Watts
	Difference: 30 Watts (20%)

Memory Bandwidth

The Radeon R9 270X should theoretically be a lot faster than the GeForce GTX 460 (OEM) in general. (explain)

Radeon R9 270X		179200 MB/sec
GeForce GTX 460 (OEM)		108800 MB/sec
	Difference: 70400 (65%)

Texel Rate

The Radeon R9 270X will be a lot (about 120%) more effective at texture filtering than the GeForce GTX 460 (OEM). (explain)

Radeon R9 270X		80000 Mtexels/sec
GeForce GTX 460 (OEM)		36400 Mtexels/sec
	Difference: 43600 (120%)

Pixel Rate

The Radeon R9 270X should be a lot (approximately 54%) faster with regards to FSAA than the GeForce GTX 460 (OEM), and also able to handle higher resolutions better. (explain)

Radeon R9 270X		32000 Mpixels/sec
GeForce GTX 460 (OEM)		20800 Mpixels/sec
	Difference: 11200 (54%)

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 transferred across the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better 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 are applied in one second. This is calculated by multiplying the total amount 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

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