GeForce GTX 750 Ti vs Radeon HD 3850 1GB

Intro

Compare those specs to the Radeon HD 3850 1GB, which comes with core speeds of 668 MHz on the GPU, and 828 MHz on the 1024 MB of GDDR3 memory. It features 320(64x5) SPUs along with 16 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 Ti		60 Watts
Radeon HD 3850 1GB		75 Watts
	Difference: 15 Watts (25%)

Memory Bandwidth

Theoretically, the GeForce GTX 750 Ti should perform much faster than the Radeon HD 3850 1GB overall. (explain)

GeForce GTX 750 Ti		86400 MB/sec
Radeon HD 3850 1GB		52992 MB/sec
	Difference: 33408 (63%)

Texel Rate

The GeForce GTX 750 Ti should be quite a bit (about 282%) more effective at texture filtering than the Radeon HD 3850 1GB. (explain)

GeForce GTX 750 Ti		40800 Mtexels/sec
Radeon HD 3850 1GB		10688 Mtexels/sec
	Difference: 30112 (282%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 750 Ti is superior to the Radeon HD 3850 1GB, by a large margin. (explain)

GeForce GTX 750 Ti		16320 Mpixels/sec
Radeon HD 3850 1GB		10688 Mpixels/sec
	Difference: 5632 (53%)

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 (in units of MB per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 are processed in one second. This number is calculated by multiplying the total texture units of the card by the core 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 graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.