GeForce GTX 650 vs Radeon HD 5750 512MB

Intro

Compare those specs to the Radeon HD 5750 512MB, which uses a 40 nm design. AMD has clocked the core speed at 700 MHz. The GDDR5 RAM works at a speed of 1150 MHz on this particular model. It features 720(144x5) SPUs as well as 36 TAUs and 16 ROPs.

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

As far as performance goes, the GeForce GTX 650 should theoretically be a small bit better than the Radeon HD 5750 512MB overall. (explain)

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

Texel Rate

The GeForce GTX 650 is a lot (approximately 34%) better at AF 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

The GeForce GTX 650 should be quite a bit (approximately 51%) faster with regards to anti-aliasing than the Radeon HD 5750 512MB, and also capable of handling higher resolutions while still performing well. (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 data (measured in megabytes per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 amount of texture map elements (texels) that are processed per second. This is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at 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 the video card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs 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 fill rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.