GeForce GTS 450 vs Radeon R9 270X

Intro

Compare those specifications to the Radeon R9 270X, which makes use of a 28 nm design. AMD has set the core frequency at 1000 MHz. The GDDR5 RAM is set to run at a frequency of 1400 MHz on this model. It features 1280 SPUs along with 80 Texture Address Units and 32 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R9 270X		6590 points
GeForce GTS 450		1453 points
	Difference: 5137 (354%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450		106 Watts
Radeon R9 270X		180 Watts
	Difference: 74 Watts (70%)

Memory Bandwidth

The Radeon R9 270X, in theory, should be quite a bit faster than the GeForce GTS 450 in general. (explain)

Radeon R9 270X		179200 MB/sec
GeForce GTS 450		57728 MB/sec
	Difference: 121472 (210%)

Texel Rate

The Radeon R9 270X is quite a bit (approximately 219%) better at anisotropic filtering than the GeForce GTS 450. (explain)

Radeon R9 270X		80000 Mtexels/sec
GeForce GTS 450		25056 Mtexels/sec
	Difference: 54944 (219%)

Pixel Rate

The Radeon R9 270X is quite a bit (more or less 155%) more effective at full screen anti-aliasing than the GeForce GTS 450, and also should be capable of handling higher resolutions without slowing down too much. (explain)

Radeon R9 270X		32000 Mpixels/sec
GeForce GTS 450		12528 Mpixels/sec
	Difference: 19472 (155%)

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 past the external memory interface in a second. The number is worked out by multiplying the interface width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 again. If 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 amount of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the video 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 can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.