GeForce GTX 1050 vs Radeon HD 4890 1GB

Intro

Compare that to the Radeon HD 4890 1GB, which uses a 55 nm design. AMD has clocked the core speed at 1000 MHz. The GDDR5 RAM works at a frequency of 975 MHz on this particular card. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1050		75 Watts
Radeon HD 4890 1GB		190 Watts
	Difference: 115 Watts (153%)

Memory Bandwidth

In theory, the Radeon HD 4890 1GB will be 9% quicker than the GeForce GTX 1050 overall, because of its greater data rate. (explain)

Radeon HD 4890 1GB		124800 MB/sec
GeForce GTX 1050		114688 MB/sec
	Difference: 10112 (9%)

Texel Rate

The GeForce GTX 1050 will be quite a bit (more or less 35%) faster with regards to AF than the Radeon HD 4890 1GB. (explain)

GeForce GTX 1050		54160 Mtexels/sec
Radeon HD 4890 1GB		40000 Mtexels/sec
	Difference: 14160 (35%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 1050 is superior to the Radeon HD 4890 1GB, by far. (explain)

GeForce GTX 1050		43328 Mpixels/sec
Radeon HD 4890 1GB		16000 Mpixels/sec
	Difference: 27328 (171%)

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 largest amount of data (in units of megabytes per second) that can be transferred across 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, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the video 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 number of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs 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 many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.