GeForce GTX 650 vs Radeon R9 270

Intro

Compare those specifications to the Radeon R9 270, which comes with core clock speeds of 900 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

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 270		5943 points
GeForce GTX 650		2263 points
	Difference: 3680 (163%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650		64 Watts
Radeon R9 270		150 Watts
	Difference: 86 Watts (134%)

Memory Bandwidth

The Radeon R9 270 should in theory be quite a bit faster than the GeForce GTX 650 overall. (explain)

Radeon R9 270		179200 MB/sec
GeForce GTX 650		80000 MB/sec
	Difference: 99200 (124%)

Texel Rate

The Radeon R9 270 is quite a bit (about 113%) better at AF than the GeForce GTX 650. (explain)

Radeon R9 270		72000 Mtexels/sec
GeForce GTX 650		33856 Mtexels/sec
	Difference: 38144 (113%)

Pixel Rate

The Radeon R9 270 is quite a bit (more or less 70%) more effective at AA than the GeForce GTX 650, and also should be able to handle higher screen resolutions without slowing down too much. (explain)

Radeon R9 270		28800 Mpixels/sec
GeForce GTX 650		16928 Mpixels/sec
	Difference: 11872 (70%)

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 data (counted in MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the graphics 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 maximum number of pixels that the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.