GeForce 9800 GT 1GB vs Radeon RX 470 4GB

Intro

Compare those specifications to the Radeon RX 470 4GB, which has a core clock speed of 926 MHz and a GDDR5 memory frequency of 1650 MHz. It also features a 256-bit bus, and makes use of a 14 nm design. It features 2048 SPUs, 128 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9800 GT 1GB		105 Watts
Radeon RX 470 4GB		120 Watts
	Difference: 15 Watts (14%)

Memory Bandwidth

As far as performance goes, the Radeon RX 470 4GB should theoretically be quite a bit superior to the GeForce 9800 GT 1GB in general. (explain)

Radeon RX 470 4GB		211200 MB/sec
GeForce 9800 GT 1GB		57600 MB/sec
	Difference: 153600 (267%)

Texel Rate

The Radeon RX 470 4GB will be quite a bit (approximately 253%) faster with regards to anisotropic filtering than the GeForce 9800 GT 1GB. (explain)

Radeon RX 470 4GB		118528 Mtexels/sec
GeForce 9800 GT 1GB		33600 Mtexels/sec
	Difference: 84928 (253%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 470 4GB is a better choice, by far. (explain)

Radeon RX 470 4GB		29632 Mpixels/sec
GeForce 9800 GT 1GB		9600 Mpixels/sec
	Difference: 20032 (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 data (counted in MB per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.