GeForce GTX 650 vs Radeon HD 5750 512MB

Intro

Compare those specs to the Radeon HD 5750 512MB, which comes with a GPU core clock speed of 700 MHz, and 512 MB of GDDR5 RAM set to run at 1150 MHz through a 128-bit bus. It also features 720(144x5) Stream Processors, 36 TAUs, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650		64 Watts
Radeon HD 5750 512MB		86 Watts
	Difference: 22 Watts (34%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 will be 9% faster than the Radeon HD 5750 512MB overall, due to its higher data rate. (explain)

GeForce GTX 650		80000 MB/sec
Radeon HD 5750 512MB		73600 MB/sec
	Difference: 6400 (9%)

Texel Rate

The GeForce GTX 650 should be a lot (more or less 34%) faster with regards to anisotropic filtering than the Radeon HD 5750 512MB. (explain)

GeForce GTX 650		33856 Mtexels/sec
Radeon HD 5750 512MB		25200 Mtexels/sec
	Difference: 8656 (34%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 650 is the winner, by far. (explain)

GeForce GTX 650		16928 Mpixels/sec
Radeon HD 5750 512MB		11200 Mpixels/sec
	Difference: 5728 (51%)

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 max amount of information (counted in MB per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. If the card has DDR 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

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