GeForce GTX 1060 vs Radeon HD 4890 1GB

Intro

Compare all that to the Radeon HD 4890 1GB, which has GPU core speed of 1000 MHz, and 1024 MB of GDDR5 RAM set to run at 975 MHz through a 256-bit bus. It also features 800(160x5) Stream Processors, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1060		120 Watts
Radeon HD 4890 1GB		190 Watts
	Difference: 70 Watts (58%)

Memory Bandwidth

Performance-wise, the GeForce GTX 1060 should theoretically be quite a bit superior to the Radeon HD 4890 1GB overall. (explain)

GeForce GTX 1060		196608 MB/sec
Radeon HD 4890 1GB		124800 MB/sec
	Difference: 71808 (58%)

Texel Rate

The GeForce GTX 1060 should be quite a bit (about 201%) better at anisotropic filtering than the Radeon HD 4890 1GB. (explain)

GeForce GTX 1060		120480 Mtexels/sec
Radeon HD 4890 1GB		40000 Mtexels/sec
	Difference: 80480 (201%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 1060 is the winner, by far. (explain)

GeForce GTX 1060		72288 Mpixels/sec
Radeon HD 4890 1GB		16000 Mpixels/sec
	Difference: 56288 (352%)

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 max amount of data (counted in megabytes per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the interface width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range 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 number of texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the clock 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 rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.