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GeForce GT 1030 vs Radeon HD 4790

Intro

The GeForce GT 1030 makes use of a 16 nm design. nVidia has set the core frequency at 1265 MHz. The GDDR5 RAM is set to run at a speed of 1502 MHz on this specific model. It features 384 SPUs as well as 32 TAUs and 16 Rasterization Operator Units.

Compare all of that to the Radeon HD 4790, which uses a 55 nm design. AMD has set the core speed at 600 MHz. The GDDR5 RAM works at a speed of 800 MHz on this model. It features 640(128x5) SPUs along with 32 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 4790 should in theory perform quite a bit faster than the GeForce GT 1030 in general. (explain)

Radeon HD 4790 102400 MB/sec
GeForce GT 1030 49152 MB/sec
Difference: 53248 (108%)

Texel Rate

The GeForce GT 1030 will be quite a bit (more or less 111%) more effective at anisotropic filtering than the Radeon HD 4790. (explain)

GeForce GT 1030 40480 Mtexels/sec
Radeon HD 4790 19200 Mtexels/sec
Difference: 21280 (111%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GT 1030 is a better choice, by a large margin. (explain)

GeForce GT 1030 20240 Mpixels/sec
Radeon HD 4790 9600 Mpixels/sec
Difference: 10640 (111%)

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

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GeForce GT 1030

Amazon.com

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Radeon HD 4790

Amazon.com

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GT 1030 Radeon HD 4790
Manufacturer nVidia AMD
Year May 2017 2009
Code Name GP108-300 RV790
Memory 2048 MB 512 MB
Core Speed 1265 MHz 600 MHz
Memory Speed 6008 MHz 3200 MHz
Power (Max TDP) 30 watts (Unknown) watts
Bandwidth 49152 MB/sec 102400 MB/sec
Texel Rate 40480 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 20240 Mpixels/sec 9600 Mpixels/sec
Unified Shaders 384 640(128x5)
Texture Mapping Units 32 32
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 64-bit 256-bit
Fab Process 16 nm 55 nm
Transistors 3300 million 959 million
Bus PCIe 3.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12.0 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, 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 record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GT 1030

Amazon.com

Check prices at:

Radeon HD 4790

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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