GeForce GTX 650 Ti 2GB vs Radeon RX 480

Intro

Compare that to the Radeon RX 480, which has a core clock speed of 1120 MHz and a GDDR5 memory frequency of 2000 MHz. It also makes use of a 256-bit bus, and makes use of a 14 nm design. It is made up of 2304 SPUs, 144 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB		110 Watts
Radeon RX 480		150 Watts
	Difference: 40 Watts (36%)

Memory Bandwidth

As far as performance goes, the Radeon RX 480 should in theory be quite a bit superior to the GeForce GTX 650 Ti 2GB overall. (explain)

Radeon RX 480		262144 MB/sec
GeForce GTX 650 Ti 2GB		86400 MB/sec
	Difference: 175744 (203%)

Texel Rate

The Radeon RX 480 should be a lot (approximately 172%) better at anisotropic filtering than the GeForce GTX 650 Ti 2GB. (explain)

Radeon RX 480		161280 Mtexels/sec
GeForce GTX 650 Ti 2GB		59392 Mtexels/sec
	Difference: 101888 (172%)

Pixel Rate

The Radeon RX 480 will be quite a bit (approximately 141%) more effective at AA than the GeForce GTX 650 Ti 2GB, and also should be capable of handling higher screen resolutions while still performing well. (explain)

Radeon RX 480		35840 Mpixels/sec
GeForce GTX 650 Ti 2GB		14848 Mpixels/sec
	Difference: 20992 (141%)

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 (in units of MB per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 number of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.