GeForce GTX 650 vs Radeon R9 270

Intro

Compare all that to the Radeon R9 270, which has a core clock speed of 900 MHz and a GDDR5 memory frequency of 1400 MHz. It also uses a 256-bit memory bus, and uses a 28 nm design. It is made up of 1280 SPUs, 80 TAUs, 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

In theory, the Radeon R9 270 is 124% faster than the GeForce GTX 650 overall, because of its higher bandwidth. (explain)

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

Texel Rate

The Radeon R9 270 is a lot (about 113%) faster with regards to AF than the GeForce GTX 650. (explain)

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

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 270 is the winner, and very much so. (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: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be transported past the external memory interface in a second. It's calculated by multiplying the interface width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 can be applied per second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.