GeForce GTX 960 vs Radeon HD 4750

Intro

Compare those specs to the Radeon HD 4750, which has a clock frequency of 730 MHz and a GDDR5 memory speed of 800 MHz. It also makes use of a 128-bit memory bus, and uses a 40 nm design. It features 640(128x5) SPUs, 32 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4750		75 Watts
GeForce GTX 960		120 Watts
	Difference: 45 Watts (60%)

Memory Bandwidth

The GeForce GTX 960, in theory, should perform a lot faster than the Radeon HD 4750 overall. (explain)

GeForce GTX 960		112000 MB/sec
Radeon HD 4750		51200 MB/sec
	Difference: 60800 (119%)

Texel Rate

The GeForce GTX 960 is much (approximately 209%) better at texture filtering than the Radeon HD 4750. (explain)

GeForce GTX 960		72128 Mtexels/sec
Radeon HD 4750		23360 Mtexels/sec
	Difference: 48768 (209%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 960 is a better choice, by a large margin. (explain)

GeForce GTX 960		36064 Mpixels/sec
Radeon HD 4750		11680 Mpixels/sec
	Difference: 24384 (209%)

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 maximum amount of information (measured in MB per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is calculated by multiplying the total texture units by the core speed of the chip. The better the texel rate, 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 amount of pixels the video card could possibly record to its local memory in one 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 - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.